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Full range of Chemistry products available at: www.rapidonline.com Centrifuges 248 Chemicals 242 Classifying Materials 248 Electrolysis 249 Kipps Apparatus 249 Molecular Sets 245 Posters & Charts 244 Scales 252 Science Kits 244 Science Templates 244 Thermometers 250 Vacuum Pumps 249 Chemistry
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Chemistry - static.rapidonline.com · Propan-2-ol LR (Lq 1L) (iso-Propyl alcohol) ((CH3)2CHOH) ... (H2SO4) 1l 52-7569 5.31 Sulphuric Acid 2M Standard Solution (H2SO4) 1l 52-7570 5.51

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Page 1: Chemistry - static.rapidonline.com · Propan-2-ol LR (Lq 1L) (iso-Propyl alcohol) ((CH3)2CHOH) ... (H2SO4) 1l 52-7569 5.31 Sulphuric Acid 2M Standard Solution (H2SO4) 1l 52-7570 5.51

Full range of Chemistry products available at:

www.rapidonline.com

Centrifuges 248

Chemicals 242

Classifying Materials 248

Electrolysis 249

Kipps Apparatus 249

Molecular Sets 245

Posters & Charts 244

Scales 252

Science Kits 244

Science Templates 244

Thermometers 250

Vacuum Pumps 249

Chemistry

Page 2: Chemistry - static.rapidonline.com · Propan-2-ol LR (Lq 1L) (iso-Propyl alcohol) ((CH3)2CHOH) ... (H2SO4) 1l 52-7569 5.31 Sulphuric Acid 2M Standard Solution (H2SO4) 1l 52-7570 5.51

From Acetone to Zinc powderCHEMICALS

Vast range of chemicals availableNOTE:

Rapid Electronics supplies this product to customers in the expectation that it will be used for legitimate purposes. However, all chemicals, whether individually or in combination with other substances, have the potential to be extremely dangerous and pose a risk to human life.

All orders for chemical products will be subject to an approval procedure. Rapid Electronics reserves the right to withhold delivery if the identity of the customer cannot be confirmed. As part of this process, customers agree to their premises being searched by criminal investigation bodies.

Rapid is compliant with the REACH regulations regarding the registration, evaluation, authorisation and restriction of dangerous chemicals in the EU.

For delivery outside of the UK, please phone Customer Services on +44 (0)1206 751166.

Page 3: Chemistry - static.rapidonline.com · Propan-2-ol LR (Lq 1L) (iso-Propyl alcohol) ((CH3)2CHOH) ... (H2SO4) 1l 52-7569 5.31 Sulphuric Acid 2M Standard Solution (H2SO4) 1l 52-7570 5.51

Potassium Chlorate 100g 52-7623 4.18Potassium Chlorate (V) LR (KClO3) 500g 52-7521 22.37Potassium Chloride LR (KCl) 500g 52-7522 6.09Potassium Dihydrogen Phosphate 250g 52-7624 3.11Potassium Dihydrogen Phosphate (V) LR (KH2PO4) 500g 52-7523 6.89Potassium Iodide LR (KI) 100g 52-7524 10.91Potassium Iodide LR (KI) 500g 52-7525 45.23Potassium Manganate (VII) LR (Potassium permanganate) (KMnO4) 500g 52-7526 7.76Potassium Manganate (VII) LR (Potassium permanganate) (KMnO4) 1kg 52-7527 13.08Potassium Nitrate 250g 52-7625 2.68Potassium Nitrate LR (KNO3) 500g 52-7528 5.21Propan-2-ol LR (Lq 1L) (iso-Propyl alcohol) ((CH3)2CHOH) 500ml 52-7529 4.72Propan-2-ol LR (Lq 1L) (iso-Propyl alcohol) ((CH3)2CHOH) 2.5l 52-7530 12.78Propan-1-ol LR (1L) (n-Propyl alcohol) (CH3CH2CH2OH) 500ml 52-7531 5.51Propan-1-ol LR (Lq 1L) (n-Propyl alcohol) (CH3CH2CH2OH) 2.5l 52-7532 15.73Propanoic Acid 250ml 52-7626 4.45Propionaldehyde 100ml 52-7604 6.69Propionic Acid LR (Propanoic acid) (CH3CH2COOH) 500ml 52-7533 9.24Chemicals SSalicylic Acid LR (2-Hydroxybenzoic acid) (C6H4OHCOOH) 100g 52-7534 5.47Salicylic Acid LR (2-Hydroxybenzoic acid) (C6H4OHCOOH) 500g 52-7535 19.07Acid Washed Sand 1kg 52-7536 4.52Schiff’s Aldehyde Testing Reagent 500ml 52-7605 8.19Sebacoyl Chloride 5% in Cyclohexane (C10H16Cl2O2) 100ml 52-7537 7.86Silicone Gease 50g 52-7606 10.66Silver Nitrate LR (AgNO3) 25g 52-7538 35.39Silver Nitrate LR (AgNO3) 100g 52-7539 132.73Sodium Acetate 3-Water LR (Sodium Ethanoate) (CH3COONa.3H2O) 500g 52-7540 5.91Sodium Alginate 25g 52-7541 4.13Sodium Carbonate Anhydrous LR (Na2CO3) 500g 52-7542 2.95Sodium Carbonate Anhydrous LR (Na2CO3) 1kg 52-7543 4.32Sodium Carbonate Anhydrous LR (Na2CO3) 3kg 52-7544 8.56Sodium Chloride LR (NaCl ) 500g 52-7545 2.47Sodium Chloride LR (NaCl ) 1kg 52-7546 3.35Sodium Chloride LR (NaCl ) 3kg 52-7547 4.62Sodium Chloride Native Rock Salt (NaCl ) 1kg 52-7548 3.44Sodium Hydrogen Carbonate LR (Sodium bicarbonate) (NaHCO3) 500g 52-7549 2.95Sodium Hydrogen Carbonate LR (Sodium bicarbonate) (NaHCO3) 1kg 52-7550 4.03Sodium Hydrogen Carbonate LR (Sodium bicarbonate) (NaHCO3) 3kg 52-7551 8.45Di-Sodium Hydrogen Phosphate (V)-12-Water, (Na2HPO4.12H2O) 500g 52-7552 11.21Sodium Hydroxide 0.1M (0.1N) Standard Solution (NaOH) 2.5l 52-7553 7.27Sodium Hydroxide 1.0M (1N) (NaOH) 2.5l 52-7554 8.84Sodium Hydroxide 2M (2N) Standard Solution (NaOH) 2.5l 52-7555 9.44Sodium Hydroxide Pearl 98-100% LR (NaOH) 500g 52-7556 4.92Sodium Hydroxide Pellets LR (NaOH) 500g 52-7557 6.09Sodium Hydroxide Pellets LR (NaOH) 1kg 52-7558 9.54Sodium Hypochlorite Solution 250ml 52-7627 1.93Sodium Hypochlorite Sol 10-14% (NaClO) 500ml 52-7559 4.72Sodium Hypochlorite Sol 10-14% (NaClO) 1l 52-7560 5.47Sodium Hypochlorite Sol 10-14% (NaClO) 2.5l 52-7561 10.92Sodium Iodide LR (NaI) 100g 52-7562 10.32Sodium Metabisulphite 250g 52-7607 1.93Sodium Molybdate 50g 52-7608 24.10Sodium Tauroglycocholate (Bile Salts) 25g 52-7563 11.90Di-Sodium Tetraborate 10-Water LR (Borax) (Na2B4O7.10H2O) 500g 52-7564 4.82Sodium Thiosulphate 5-Water LR (Na2S2O3.5H2O) 3kg 52-7565 10.52Sodium Thiosulphate 5-Water LR (Na2S2O3.5H2O) 500g 52-7566 3.73Starch Soluble LR 500g 52-7567 5.51Sucrose LR (Cane sugar) (C12H22O11) 500g 52-7568 3.73Sulphuric Acid 1M Standard Solution (H2SO4) 1l 52-7569 5.31Sulphuric Acid 2M Standard Solution (H2SO4) 1l 52-7570 5.51Sulphuric Acid 98% LR (H2SO4) 1l 52-7571 7.48Sulphuric Acid 98% LR (H2SO4) 2.5l 52-7572 16.13Chemicals TTrypsin, From Beef Pancreas 10g 52-7573 14.75Trypsin, From Beef Pancreas 25g 52-7574 30.27Chemicals UUniversal Indicator Ph 1- 14 500ml 52-7575 10.32Universal Indicator Ph 4-11 500ml 52-7576 5.21Universal Indicator Ph 4-11 100ml 52-7577 2.95Chemicals VVanadium Pentoxide (Vanadium V Oxide) 50g 52-7609 11.25Chemicals WWater Deionised (H2O) 25l 52-7578 22.95Chemicals YYeast Dried Active 500g 500g 52-7579 8.84Chemicals ZZinc Bromide 100g 52-7610 17.09Zinc Chloride 200g 52-7612 2.78Zinc Foil (Zn) 250g 52-7580 11.80Zinc Granulated LR (Zn) 500g 52-7581 15.53Zinc Oxide 250g 52-7611 4.07Zinc Nitrate (Zn(NO3)2.6H2O) 250g 52-7582 9.54Zinc Sulphate (ZnSO4.7H2O) 500g 52-7583 12.39Zinc-Powder LR (Zn) 500g 52-7584 14.84

Ethanol Absolute 99/100% (Ethyl alcohol) (C2H5OH) 100ml 52-7459 12.19Chemicals FFehling’s Solution No 1 500ml 52-7460 3.93Fehling’s Solution No 2 500ml 52-7461 5.41D (-) Fructose (D-Laevulose) (C6H12O6) 100g 52-7462 3.44Chemicals GD (+) Galactose Anhydrous LR (C6H12O6) 25g 52-7463 9.34D-Glucose Anhydrous LR (Dextrose) (C6H12O6) 500g 52-7464 5.11D-Glucose Monohydrate LR (Dextrose) (C6H12O6) 500g 52-7465 3.84

Glycerol (Glycerine) LR (Propane-1,2,3-Triol) (HOCH2CH(OH)CH2OH)

500ml 52-7466 8.84

Glycerol (Glycerine) LR (Propane-1,2,3-Triol) (HOCH2CH(OH)CH2OH)

2.5l 52-7467 24.58

Chemicals HHydrochloric Acid 0.1M (0.1N) Standard Solution (HCl) 2.5l 52-7468 7.67Hydrochloric Acid 1M (N) Standard Solution (HCl) 1l 52-7469 4.82Hydrochloric Acid 1M (N) Standard Solution (HCl) 2.5l 52-7470 9.44Hydrochloric Acid 2M (2N) Standard Solution (HCl) 1l 52-7471 4.82Hydrochloric Acid 2M (2N) Standard Solution (HCl) 2.5l 52-7472 8.07Hydrochloric Acid 36% AR (HCl) 1l 52-7473 5.91Hydrochloric Acid 36% LR (HCl) 1l 52-7474 5.36Hydrochloric Acid 36% LR (HCl) 2.5l 52-7475 9.92Hydrogen Peroxide 100 Volume (H2O2) 500ml 52-7476 4.37Hydrogen Peroxide 100 Volume (H2O2) 1l 52-7477 5.41Hydrogen Peroxide 100 Volume (H2O2) 2l 52-7478 10.99Hydrogen Peroxide 20 Volume (H2O2) 2l 52-7479 7.08Chemicals IIodine Resublimed LR (I2) 100g 52-7480 14.75Iodine Solution with 1% Potassium Iodide 500ml 52-7481 4.721-Iodobutane LR (Butyl Iodide) (CH3(CH2)3I) 25ml 52-7482 12.78Iron (II) Sulphate 7-Water LR (Ferrous Sulphate) (FeSO4.7H2O) 500g 52-7483 10.49Iron (3) Nitrate 250g 52-7620 5.90Iron (III) Nitrate 9 - Water LR (Ferric Nitrate) (Fe(NO3)3.9H2O) 500g 52-7484 10.37Iron (III) Oxide Calcined LR (Ferric Oxide) (Fe2O3) 500g 52-7485 4.82Iron-Filings Coarse (Fe) 500g 52-7487 3.44Iron-Filings Coarse (Fe) 3kg 52-7488 9.83Iron Filings Fine (Fe) 500g 52-7486 3.44Iron-Filings Fine (Fe) 3kg 52-7489 9.83Iron-Powder, Reduced By Hydrogen (Fe) 500g 52-7490 15.34Isoamyl (Isopentyl) Alcohol 200ml 52-7613 4.18Chemicals LL-Ascorbic Acid (Vitamin C ) (C6H8O6) 100g 52-7491 5.36Lead Carbonate 250g 52-7596 9.54Lead (2) Nitrate 250g 52-7621 9.42Lead (II) Nitrate LR (Pb(NO3)2) 500g 52-7492 12.88Lead Foil LR 0.5mm (Pb) 500g 52-7493 8.95Lime Water (Calcium Hydroxide Solution) 2.5l 52-7494 6.40Lipase 10g 52-7495 7.08Lipase 25g 52-7496 14.07Lithium Chloride Anhydrous LR (LiCl) 100g 52-7497 8.45Lithium Metal in Liquid Paraffin (Li) 10g 52-7498 14.75Luminol (3-Aminopthalhydrazide) (NH2C6H3.CO.NH.NH.CO) 1g 52-7499 10.03Chemicals MMagnesium Powder (Mg) 100g 52-7500 7.37Magnesium Powder (Mg) 500g 52-7501 25.76Magnesium Ribbon LR (Mg) 25g 52-7502 4.03Magnesium Sulphate 7-Water LR (MgSO4.7H2O) 1kg 52-7503 4.62Maltose LR (C12H22O11.H2O) 100g 52-7504 11.01Manganese (IV) Oxide, Precipitated LR (MnO2) 250g 52-7505 7.86Manganese (IV) Oxide - Powder (Manganese Dioxide) (MnO2) 500g 52-7506 13.27Marble Chips 4-6mm (CaCO3) 3kg 52-7507 6.89Marble Chips Medium - Large (CaCO3) 3kg 52-7508 6.89Methanol 100ml 52-7622 1.55Methannoic Acid 250ml 52-7597 2.95Methanol LR (Methyl alcohol) (CH3OH) 500ml 52-7509 3.15Methylated Spirit Industrial 98/99% W/W (C2H5OH & CH3OH) 2.5l 52-7510 8.07Methylated Spirit Mineralised (Blue) (C2H5OH & CH3OH) 2.5l 52-7511 7.862-Methylpropan-1-ol (Isobutyl alcohol) 100ml 52-7585 2.36Methyl Salicylate (Oil of Wintergreen) 100ml 52-7598 4.49Chemicals NN-Hexane LR (Lq 1L) (CH3(CH2)4CH3) 100ml 52-7512 3.73N-Hexane LR (Lq 1L) (CH3(CH2)4CH3) 500ml 52-7513 11.80Chemicals OOctan-1-ol 250ml 52-7599 9.64Oil Crude Synthetic (CLEAPSE formulation) 500ml 52-7514 9.83Orcein Acetic 100ml 52-7600 8.57Chemicals PPhenol Red Indicator 5g 52-7601 4.55Phenolphthalein 1% Solution 500ml 52-7515 4.52Phenolphthalein 1% Solution 100ml 52-7516 2.36Phenylethene (Styrene) 250ml 52-7602 7.23

Phenyl Salicylate LR (Salol / Phenyl-2-Hydroxybenzoate) (C6H4(OH)COOC6H5)

250g 52-7517 17.90

Phosphoric acid 250ml 52-7603 4.18Polyvinyl Alcohol (Ethenol) (CH2 CHOH)n 250ml 52-7518 10.92Potassium Bromide LR (KBr) 500g 52-7519 15.15Potassium Carbonate Anhydrous LR (K2CO3) 500g 52-7520 8.26

Type Quantity Order code 1+Chemicals AAcetone LR (Propanone LR) ((CH3)2CO) 500ml 52-7400 4.32Acetone LR (Propanone LR) ((CH3)2CO) 1 Litre 52-7401 4.92Acetone LR (Propanone LR) ((CH3)2CO) 2.5 Litre 52-7402 10.23Agar fine powder 100g 52-7403 7.76Agar fine powder 250g 52-7404 15.64Albumen Egg Powder 100g 52-7405 5.91Albumen Egg Powder 250g 52-7406 14.31Aluminium Oxide LR (Alumina) (Al2O3) 500g 52-7407 5.21Aluminium Powder Fine (Al) 500g 52-7408 17.804-Aminobenzoic Acid as Alternative 100g 52-7616 13.39

Di-Ammonium Iron (II) Sulphate 6-Water LR, (NH4)2SO4FeSO3.6H2O 500g

500g 52-7409 20.94

Ammonium Nitrate LR (NH4NO3) 500g 52-7410 5.41Amylase (Bacterial Source) 10g 52-7411 5.91Amylase (Bacterial Source) 25g 52-7412 6.45Amylase (Bacterial Source) 100g 52-7413 20.76Chemicals BBenedict’s Reagent (Qualitative) 2.5l 52-7414 10.91Benedict’s Reagent (Qualitative) 500ml 52-7415 2.95Benzoic acid 100g 52-7615 2.68Benzyl Alcohol (Phenylmethanol) 200ml 52-7614 5.36Bicarb indicator 500ml 52-7416 3.05Biuret Reagent (Working) Solution 500ml 52-7417 3.24Buffer Solution Borate pH10 500ml 52-7418 3.35Buffer Solution Phthalate pH3 500ml 52-7419 3.35Buffer Solution Phthalate pH4 500ml 52-7420 3.35Buffer Solution Phthalate pH5 500ml 52-7421 3.35Buffer Solution Phosphate pH6 500ml 52-7422 3.35Buffer Solution Phosphate pH7 500ml 52-7423 3.35Buffer Solution Borate pH8 500ml 52-7424 3.35Buffer Tablets pH4 (Phthalate) Pk of 50 52-7425 11.23Buffer Tablets pH7 (Phosphate) Pk of 50 52-7426 11.23Buffer Tablets pH9.2 (Borate) Pk of 50 52-7427 11.23Butan-1-ol 500ml 52-7586 5.09Butan-2-ol 500ml 52-7587 7.50Butanal 100ml 52-7588 6.43Butane-1,4-Diamine, (1,4-Diaminobutane), C4H12N 250g 52-7618 20.89Butanoic acid 100ml 52-7589 9.64Chemicals CCalcium carbide 100g 52-7590 5.36Calcium Chloride Fused Granular Size 2.0- (CaCl2) 500g 52-7428 3.68Calcium Granules (Ca) 100g 52-7429 9.73Calcium Granules (Ca) 25g 52-7430 3.73Calcium Sulphate LR (Plaster of Paris) 5kg 52-7431 11.70Ceramic Fibre Wool (Mineral Wool) 500g 52-7432 6.09Citric Acid Crystals LR (HOC(COOH)(CH2COOH)2.H2O) 500g 52-7433 5.11Citric Acid Crystals LR Un Nr (HOC(COOH)(CH2COOH)2.H2O) 3kg 52-7434 14.35

Copper (II) Carbonate Basic LR (Cupric Carbonate Basic) (CuCO3Cu(OH)2)

500g 52-7435 13.61

Copper (II) Carbonate Basic LR (Cupric Carbonate Basic) (CuCO3Cu(OH)2)

250g 52-7436 8.43

Copper (II) Carbonate Basic LR Un Nr (Cupric Carbonate Basic) (CuCO3Cu(OH)2)

3kg 52-7437 64.30

Copper (2) Chloride 100g 52-7617 2.68Copper (II) Chloride 2 Water LR (Cupric Chloride)(CuCl2.2H2O) 250g 52-7438 8.26Copper (II) Oxide Powder LR (Cupric Oxide) (CuO) 500g 52-7439 14.75Copper (II) Oxide Powder LR (Cupric Oxide) (CuO) 250g 52-7440 9.05Copper (II) Sulphate 5 Water LR (Cupric Sulphate)(CuSO4.5H2O) 3kg 52-7441 17.99Copper (II) Sulphate 5 Water LR (Cupric Sulphate) (CuSO4.5H2O) 500g 52-7442 5.91

Copper (II) Sulphate 5 Water LR (Cupric Sulphate) (CuSO4.5H2O)

1kg 52-7443 8.56

Copper (II) Sulphate Anhydrous LR (Cupric Sulphate Anhydrous) (CuSO4)

250g 52-7444 9.92

Copper (II) Sulphate Anhydrous LR (Cupric Sulphate Anhydrous) (CuSO4)

500g 52-7445 17.31

Copper foil 100g 52-7619 4.91Copper Foil 0.10mm LR (Cu) 250g 52-7446 13.08Copper Foil 0.10mm LR (Cu) 500g 52-7447 24.67Copper Powder Precipitated (Cu) 100g 52-7448 6.89Copper Small Pieces (Cu) 500g 52-7449 18.19Cresol red 5g 52-7591 4.02Cyclohexane LR (C6H12) 500ml 52-7450 6.40Cyclohexane LR (C6H12) 2.5l 52-7451 20.26Cyclohexene LR (Tetrahydrobenzene) (C6H10) 250ml 52-7452 12.29Chemicals D1,6-Diaminohexane 5% Aqueous Solution 250ml 52-7453 7.37

1,6-Diaminohexane LR (Hexamethylenediamine) (NH2(CH2)6NH2)

25g 52-7454 6.49

2-6 Dichlorophenolindophenol (D.C.P.I.P.) 1g 52-7455 5.012-6 Dichlorophenolindophenol (D.C.P.I.P.) 5g 52-7456 19.472-6 Dichlorophenolindophenol Tablets (D.C.P.I.P.) Pk of 10 52-7457 6.89Di(dodecanoyl)Peroxide/ Di-Lauroyl Peroxide 10g 52-7592 5.09Chemicals EEosin y 24050/Acid Red 87 87.25g 52-7593 12.85Ethanol Absolute 99/100% (Ethyl alcohol) (C2H5OH) 500ml 52-7458 44.25 Subject to surcharge

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Bacterial Amylase Project PackThis project pack contains the enzyme starch iodine and all the buffers necessary to carry out experiments into the effect of pH and temperature on bacterial Amylase.

• Supplied complete with teaching notes

Type Order code 1+Bacterial Amylase Project Pack 52-2605 32.23

550544

LakeshoreScience Discovery Chest

This science discovery chest from Lakeshore is a fantastic addition to any classroom, presenting an ideal introduction into the world of science. The easy to use chest features hands-on experiments and materials for young children to explore basic scientific concepts.

The full chest contains: 6 subject drawers and over 100 items including rocks, seeds, measuring cups and spoons, giant magnets, prism, thermometers, balloons, feathers and 40 double-sided experiment cards.

• Great for the classroom!• Easy to use• Dimensions: 32 x 31 x 49cm

• Manufacturer’s part C1534

Type Order code 1+Science Chest 52-2316 236.89

548362

Science Templates

Chemistry Stencil/TemplateThis stencil has the most common symbols used for creating chemistry experiment diagrams.

• Transparent for easy placement of symbols

• Holes for ring binder storage• Template dimensions 12 x 19cm• Suitable for All Ages

MOQ 3Type Order code 3+Chemistry Stencil 06-9154 0.419

119521

Type Order code 1+Americium 241 52-2701 632.04Cobalt 60 52-2702 632.04Strontium 90 52-2703 644.34

550625

Posters & Charts

Periodic Table Wall Chart

This colour coded periodic table shows all of the known elements in order of their atomic number.

• 841 x 594mm

• Suitable for Key Stages 2 & 3 (ages 7 to 14)

Type Order code 1+Periodic table 06-5638 3.78

079202

Science Kits

Fab Lab Make Your Own Bath Bombs KitFill your bath with fun and luxury by making your own Bath Bombs!

The kit contains sufficient ingredients to make more than 12 fabulous fizzy bath bombs. Simply follow the illustrated activity guide to see how fun and easy they are to make!

The kit also contains wrapping paper, ribbons and gift tags so you can gift wrap your fabulous creations and give them to your friends and your family.

• The kit contains:• 1x pot of Sodium Bicarbonate (blue)• 1x pot of Sodium Bicarbonate (pink)• 1x pot of safe Citric (fruit) acid• 1x bath bomb mould• 1x pipette• 1x plastic spoon• 1x measuring beaker• 1x pair of PVC gloves• 5x sheets of pink tissue paper• 5x length of red ribbon• 5x gift tag• 1x 12-page instruction booklet

Suitable for age 8+. Use under adult supervision.

Type Order code 1+Bath bombs kit 06-8251 10.17

559743

Chemicals

Vibro NatriegensThis vibro natriegens bacteria is intended to be grown either on seawater agar or saline nutrient agar as part of a microbiology module.

• Supplied as a culture

Type Order code 1+Vibro Natriegens 52-2625 12.86

550562

Nutrient AgarNutrient agar is a general purpose growth medium suitable for use in a range of biological experiments. Use 28g powder to 1 litre deionised water. Leave for 10 minutes, swirl and sterilise for 15 minutes at 121°C. Cool to 47°C, mix well then pour into plates or petri dishes.

• Supplied in 100g packs

Pack size Order code 1+100g 52-2601 11.68

550540

Protactinium GeneratorThis Protactinium generator is ideal for demonstrating radioactive decay. The half-life of the isotope is short enough for students to complete the decay curve within a single lesson and is perfect for use with a datalogger and GM tube sensor or a standard GM tube and counter. The generator is completely sealed in a leakproof enclosure and consists of uranyl nitrate and an organic solvent. These settle into two distinct layers but when shaken together react and produce a short term burst of Beta radiation with a half-life of about 1 minute.

• Supplied complete with MSDS• Recommended storage period up to 8 years

• Bottle dimensions 120 x 70 x 70mm

Bottle dimensions Order code 1+120 x 70 x 70mm 52-2704 249.62

550626

Radioactive Source Chemicals

These radioactive chemicals can be used for studies into radiation in nuclear and atomic physics.

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Biochemistry Model Set (Orbit)

With 400 atoms and 395 bonds housed in a convenient compartmentalised box, the Orbit Biochemistry Class Set has a large enough quantity of atoms to enable you to construct multiple models for group activities. The contents allow you to cover topics commonly studied at A level (ages 17 to 18), college and university. These include amino acids; monosaccharides, glycerol, fatty acids, steroids, purines and pyrimidines, peptides, disaccharides, lipids, nucleosides, nucleotides, proteins, polysaccharides and nucleic acids. A 44 page booklet covers the above topics in detail.

• Compartmented box• 400 atoms, 395 bonds• Construct multiple models for group activities• Allows you to cover topics commonly studied at A level

(ages 17 to 18), college and university• Includes amino acids; monosaccharides, glycerol, fatty

acids, steroids, purines and pyrimidines, peptides, disaccharides, lipids, nucleosides, nucleotides, proteins, polysaccharides, nucleic acids

Type Order code 1+Orbit Biochemistry 52-7153 40.31

502608

Biochemistry Molecular Model Student Set

This open-type Molymod molecular model set is ideal for use by students of biochemistry.

• Supplied in a plastic box with full instructionsSet includes: 21 Carbon, 13 Oxygen, 25 Hydrogen, 11 Nitrogen, 1 Sulphur and 1 Phosphorus spheres; 40 medium grey links.

Type Order code 1+Biochemistry Molecular Model 52-2604 20.49

550543

• Kits available: Diamond - 30 atoms• Graphite - 45 atoms• Buckminster Fullerene - 60 atoms• Ice - 26 water units• Supplied singly

Type Order code 1+Diamond 52-0476 12.40Graphite 52-0477 15.14Ice 26 water units 52-0479 18.76

525540

Atomic Orbital Set

This Molyorbital model collection set contains sufficient parts to make 14 easy-to-assemble atomic orbitals,. Pink and purple coloured pear shaped lobes represent the two wave phases, positive and negative of the p and d atomic orbitals. The atomic nuclei are represented by opaque white spheres. Each model comes with its own individual colourless transparent base for display purposes.

• Approximate heights including base: s-orbital 5cm, p-orbital 9cm, d-orbital 8cm

Set includes: Is unhybridised x 1, 2s unhybridised x1, 2p unhybridised x3, 3d unhybridised x5, model of a 2s plus three 2p orbitals unhybridised x1, sp, sp2, sp3 hybridised x3.

Type Order code 1+Set of 14 models 52-2588 25.72

550530

Glucose ModelThis self-assembly Molymod molecular model kit contains sufficient parts to make a glucose model and is ideal for use as part of the chemistry syllabus.

• Supplied complete with instructions

Type Order code 1+Glucose Model 52-2613 9.99

550551

Fat Molecular Model

This Molymod molecular model kit includes sufficient parts to make an accurate fat (triglyceryl stearate) model.

• Supplied with full instructions

Type Order code 1+Fat Molecular Model 52-2615 29.01

550553

Molecular Sets

Molecular Model Sets - Inorganic-Organic

Molymod Molecular Model Sets are the original dual-scale, quality system of molecular and atomic models.

Scales: Open / Ball & stick models: 2.5cm / Angstrom, Closed / semi-space filling models: 1.5cm / Angstrom

Atom-parts: range from 17 to 23mm in diameter.

Bonds: Single bonds are represented by medium links (19mm) and multiple bonds by longer, flexible links (30mm). For compact models, bonds are represented by short links (2mm).

Valence: Represented by the number of holes: 1 hole (I), 2 holes (II), 3 holes (III), 4 holes (IV), 5 holes (IV), 6 holes (VI)

• Inorganic - Organic sets• Available as teacher and student sets• Teacher Set contains 108 atoms: 14 Hydrogen (l, ll), 20

Carbon (IV, V), 22 Oxygen (II, lV), 10 Nitrogen (III, lV), 13 Sulphur (ll, IV, VI), 7 Phosphorus (lll , IV, V,), 8 Halogen (l), 14 Metal (I, ll, lll, lV, Vl), 18 Lone pair 2D paddles (6 pink, 6 purple, 6 beige) Links: 38 Medium grey, 12 medium purple, 36 Long flexible

• Student set contains 52 atoms: 14 Hydrogen (l), 6 Carbon (IV), 7 Oxygen (II, lV), 3 Nitrogen (IIl, lV), 2 Sulphur (ll, Vl), 2 Phosphorus (lll, V), 6 Halogen (l), 8 Metal (I, ll, lll, lV, Vl), 4 Brown (lll, lV, V, Vl), 3 Lone pair 2D paddles (beige) Links: 20 Medium grey, 5 Medium purple,12 Long flexible

Important notice: These products are designed for educational use and are only suitable for students 12 years and over.

Type Order code 1+Teacher set 108 atoms 52-0474 35.21Student set 52 atoms 52-0475 17.66

525539

Crystal Structure Molecular Model KitsA range of Molymod Molecular Model Sets showing the structure of various crystaline substances.

Scales: Open / Ball & stick models: 2.5cm / Angstrom, Closed / semi-space filling models: 1.5cm / Angstrom

Atom-parts: range from 17 to 23mm in diameter.

Bonds: Single bonds are represented by medium links (19mm) and multiple bonds by longer, flexible links (30mm). For compact models, bonds are represented by short links (2mm).

Valence: Represented by the number of holes: 1 hole (I), 2 holes (II), 3 holes (III), 4 holes (IV), 5 holes (IV), 6 holes (VI)

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• Provides up to 60 minutes of self tuition• Shape: Octahedron• Atoms: 450• Cochranes type 0087

Type Order code 1+Diamond Model Kit 52-7101 38.19

526303

Minit Proview Model Graphite Kit 350 AtomsThis skeletal Graphite model is particularly suitable for showing the nature of the solid as it is effectively transparent in depth.

The Graphite model is supplied with full instructions and a work card that discusses the nature of the bonding, crystal structure, growth and physical properties.

• Provides 30/60 minutes of self-tuition• Shape: 4 layers to represent flake• Atoms: 350• Cochranes type 0088

Type Order code 1+Graphite model 52-7103 36.07

526304

Carbon Nanotube Molecular Model 260 AtomsCarbon nanotubes are currently one of the most intensively studied nanomaterials with their unique molecular structure resulting in several potential exciting applications in current day nanoscience.

Using this kit you can make a graphene sheet, carbon nanotube, carbon 60 (buckyball) and related structures with up to 260 carbon atoms.

• Instructions show how the carbon atoms can be arranged to illustrate the different symmetries of carbon rings in the nanotube to create the chair, zigzag and chiral structures

• The kit uses the Minit molecular building system• Contains 260 atoms - enough to make a nanotube model

50cm long

• Cochranes type 1401

Type Order code 1+Carbon Nanotube 52-7125 23.12

526315

Minit Proview Model Ice Kit 420 AtomsA skeletal Ice model particularly suitable for showing the nature of the solid, being transparent in depth.

The model comes with full instructions and a work card discussing the nature of the bonding, crystal structure, growth and physical properties of ice.

• Gives between 30 and 60 minutes of self-tuition• Shape: extended prism to represent snowflake• 420 atoms• Cochranes type 0093

Type Order code 1+Ice model 52-7107 36.07

526306

Orbit Organic and Inorganic Chemistry Set – 500 AtomsHoused in a compartmentalised box with 500 atoms and 320 bonds, this Orbit Organic and Inorganic Class Set from Cochranes of Oxfordenables you to construct multiple models and perform various activities. The contents allow you to cover topics commonly studied at A level (ages 17 to 18), college and university. These include saturated hydrocarbons, unsaturated hydrocarbons, cyclic hydrocarbons, functional groups in organic chemistry, benzene, polymerization, optical isomerism, simple inorganic molecules and complex ions. The set is supplied complete with a 48 page booklet covering the above topics.

• Compartmented box• 500 atoms, 320 bonds, 48 page booklet• Multiple models and activities• Covers topics commonly studied at A level

(ages 17 to 18), college and university• Includes saturated hydrocarbons, unsaturated

hydrocarbons, cyclic hydrocarbons, functional groups in organic chemistry, benzene, polymerization, optical isomerism, simple inorganic molecules and complex ions

Type Order code 1+500 atoms 52-7151 41.99

502607

Minit Proview Model Mica Kit 1550 AtomsThe skeletal model type is particularly suitable to show the nature of the solid, being uniquely transparent in depth.

You also receive full instructions and work card discussing the nature of the bonding, crystal structure, growth and physical properties

• Gives between 30/60 minutes of self tuition• Shape: flake• 1550 atoms• Cochranes type 0098

Type Order code 1+Mica model kit 52-7117 170.26

526311

Minit ProView Model Diamond Kit – 450 AtomsThis skeletal Diamond model kit is particularly suitable for showing the nature of the solid, being effectively transparent in depth.

Detailed instructions and a work card discuss the nature of the bonding, crystal structure, growth and physical properties.

Biochemistry Teacher’s Set

This Molymod molecular model set is intended for use by teachers of biochemistry and includes a range of spheres and links suitable for making a wide range of molecular models.

• Supplied in 2 plastic boxes with instruction sheetSet includes: 66 Carbon, 34 Nitrogen, 40 Oxygen, 6 Phosphorus, 2 Sulphur, 2 Metal and 105 Hydrogen spheres; 100 short white and 60 non-visible links.

Type Order code 1+Biochemistry Teacher’s Set 52-2614 66.91

550552

Molecular Chemistry Set (Minit Organic and Inorganic) 240 AtomsLearn about molecular shape, stereochemistry, isomerism and bonding in organic and inorganic molecules and complex ions with this Minit Molecular set from Cochranes of Oxford. This advanced student set comes in a convenient pocket-sized plastic container cotaining 240 atoms, 220 bonds and a comprehensive instruction booklet.

• Learn about molecular shape, stereochemistry, isomerism and bonding

• Organic and inorganic molecules• Complex ions• Advanced student set in pocket-sized plastic container

• 240 atoms, 220 bonds and instruction booklet

Type Order code 1+240 atoms 52-7149 18.33

502606

Organic Molecular Models

These value-for-money kits each contain sufficient parts to make a particular organic molecular model. They are ideal for use in the chemistry or physics laboratory and in the classroom.

• Range of 3 different kits availableTechnical specificationOrder code Mftrs Part No. Type52-2591 52-2591 Polystyrene52-2592 52-2592 Polypropylene52-2593 52-2593 Nylon 66

Type Order code 1+Polystyrene 52-2591 11.30Polypropylene 52-2592 9.94Nylon 66 52-2593 16.31

550532

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• Gives between 30/60 minutes of self tuition• Shape: Orbit, Cubic Close Packed (Face Centred Cubic)

Irregular grain• 180 atoms• Cochranes type 0065

Type Order code 1+Copper model kit 52-7123 78.51

526314

Molecular Orbital Organic Structures SetThis Molyorbital collection set contains sufficient parts to make 4 organic orbital models of Benzene, Ethane, Ethene and Ethyne molecules. The models demonstrate sigma bonding orbitals, pi bonding orbitals, the concept of hybridisation and delocalisation.

• Includes 12 carbon and 18 hydrogen atoms, 9 carbon-carbon (oval shaped) sigma bonds, 18 carbon-hydrogen (pear shaped) sigma bonds, 9 pi-bonds (21 pink and 21 purple pieces

• Benzene diameter 20cm, height 10cm

Type Order code 1+4-model set 52-2585 35.49

550528

Buckminster Fuller ModelThis crystal structure kit contains sufficient parts to construct an individual replica of the Buckminster Fuller geodesic sphere.

• Suitable for self-assembly with instructions

Type Order code 1+Buckminster Fuller Model 52-2589 19.86

550531

DNA-RNA Molecular ModelThis model kit includes sufficient parts to make an accurate model showing DNA and transcription of RNA.

• Supplied complete with instructions and stand

Type Order code 1+DNA-RNA Molecular Model 52-2616 14.67

550554

Minit Proview Model Calcite Kit 540 AtomsThe skeletal model type is particularly suitable to show the nature of the solid, being uniquely transparent in depth.

You also receive full instructions and work card discussing the nature of the bonding, crystal structure, growth and physical properties

• Gives between 30/60 minutes of self tuition• Shape: rhomb• 540 atoms• Cochranes type 0097

Type Order code 1+Calcite model kit 52-7115 30.63

526310

Orbit Proview Model Iron Kit 140 AtomsThe skeletal model type is particularly suitable to show the nature of the solid, being uniquely transparent in depth.

You also receive full instructions and work card discussing the nature of the bonding, crystal structure, growth and physical properties

• Gives between 30/60 minutes of self tuition• Shape: body centred cubic irregular grain shape• 140 atoms• Cochranes type 0063

Type Order code 1+Iron model kit 52-7119 28.64

526312

Orbit Proview Model Magnesium Kit 190 AtomsThe skeletal model type is particularly suitable to show the nature of the solid, being uniquely transparent in depth.

You also receive full instructions and work card discussing the nature of the bonding, crystal structure, growth and physical properties

• Gives between 30/60 minutes of self tuition

• Shape: hexagonal close packed irregular grain• 190 atoms• Cochranes type 0064

Type Order code 1+Magnesium model kit 52-7121 78.51

526313

Orbit Proview Model Copper Kit 180 AtomsThe skeletal model type is particularly suitable to show the nature of the solid, being uniquely transparent in depth.

You also receive full instructions and work card discussing the nature of the bonding, crystal structure, growth and physical properties

Minit Proview Model Zinc Blende Kit 360 AtomsThe skeletal model type is particularly suitable to show the nature of the solid, being uniquely transparent in depth.

You also receive full instructions and work card discussing the nature of the bonding, crystal structure, growth and physical properties

• Gives between 30/60 minutes of self tuition

• Shape: truncated tetrahedron• 360 atoms• Cochranes type 0089

Type Order code 1+Zinc Blende Model kit 52-7109 34.46

526307

Minit Proview Model Wurtzite Kit 1000 AtomsThe skeletal model type is particularly suitable to show the nature of the solid, being uniquely transparent in depth.

You also receive full instructions and work card discussing the nature of the bonding, crystal structure, growth and physical properties

• Gives between 30/60 minutes of self tuition

• Shape: hexagonal prism• 1000 atoms• Cochranes type 0090

Type Order code 1+Wurtzite model kit 52-7111 81.12

526308

Minit Proview Model Beta Quartz Kit 1400 AtomsThe skeletal model type is particularly suitable to show the nature of the solid, being uniquely transparent in depth.

You also receive full instructions and work card discussing the nature of the bonding, crystal structure, growth and physical properties

• Gives between 30/60 minutes of self tuition• Shape: capped hexagonal prism• 1400 atoms• Cochranes type 0096

Type Order code 1+Beta quartz model kit 52-7113 72.02

526309

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Magnetic Rubber Sheets

These magnetic rubber sheets can be used for a variety of different applications.

• Easy to cut with scissors into different shapes and designs• Will stick to any magnetic metal surface• Has a write-on, wipe-off surface for use with dry-wipe

marker pens• Supplied in packs of 4 assorted colours: red, yellow,

blue and green

• Sheet size: 300 x 50 x 0.6mm

Type Order code 1+Magnetic rubber sheets 06-0594 3.10

072037

Centrifuges

Hand Powered Centrifuge with 4 BucketsA rugged hand-driven centrifuge consisting of die-cast metal parts and a steel pinion and worm drive. The centrifuge has 4 buckets that take 15ml glass or plastic tubes.

• Integral screw clamp for fixing to a bench

• Can be easily dismantled for storage• Plated metal head• Scratch-resistant epoxy coated body• Includes 4x buckets to take 15ml

centrifuge glass or plastic tubes• Buckets rotate 32 times for each

turn of the handle

Type Order code 1+Hand centrifuge 06-6900 23.12

079602

Hand Driven Centrifugal PrecipitatorThis hand driven centrifugal precipitator is a laboratory instrument which has been designed for separating the precipitates by means of the hand driven centrifugal mechanism in chemical experiments. Equipped with clamp for attaching to a bench edge.

• Ideal for the laboratory• Hand-driven• Includes clamp

Type Order code 1+Precipitator 52-2235 26.69

549237

Mole SetThe four specimens in this set will help explain to students the concept of mole.

The Mole Set contains four element specimens: Copper, Iron, Zinc and aluminium. Each sample contains one mole (6.02 x 1023 atoms) of the element.

• Helps to explain the concept of mole• Each sample contains 1 mole (6.02 x 1023 atoms)• Set contains specimens of Copper, Iron, Zinc and

Aluminium

Type Order code 1+Mole set 06-2161 15.02

534077

Science Metal StripsThis metal strip set includes strips of soft aluminium, hard aluminium, magnetic stainless steel, non-magnetic stainless steel, zinc, zinc plate, nickel silver, bronze, galvanised steel, mild steel, copper and brass.

• All metals listed are stamped with a letter to help identify each metal - see Technical Specification

• Ideal for experiments to demonstrate magnetic properties and classifications of metals

• Strip size: 50 x 25mm

• Supplied in packs of 12Technical specificationLetter MaterialA Soft AluminiumB BrassC CopperD Mild SteelE Magnetic Stainless SteelF Non-Magnetic Stainless SteelG Galvanized SteelH Hard AluminiumI Phosphor BronzeJ Nickel SilverK Zinc-plated Mild SteelL Zinc

Type Order code 1+Metal strip set 06-0595 8.25

072038

Chemical Cell Kit with 8 PlatesThis battery experiment kit allows you to experiment with ‘wet’ electrolyte batteries.

The set contains 8 plates made from lead, copper or zinc so you can compare voltages and outputs using different electrodes and chemical electrolytes. The tank is transparent to allow you to see if any reactions are taking place and check liquid levels. A separate tray catches any chemical drips or can be used to hold wet plates.

• Tank size 100 x 60mm• Plate size 100 x 55mm• Carry handle• Tray• Plates have 4mm sockets for connections

Type Order code 1+Chemical Cell Kit 52-2051 15.14

549073

Classifying Materials

Density SetA set of ten 25.4mm (1in.) cubes of different materials in a handy storage box.

Each cube by definition has identical volume but widely differing weight.

• Materials are: Acrylic plastic, aluminium, Brass, Copper, Nylon, Oak, Pine, Poplar, PVC and Steel

• Supplied as a set

Type Order code 1+Density set 06-2162 21.60

538888

Density Identification SetThis set consists of specimens of 15 different types of materials. Its aim is to challenge students to identify materials by measuring their mass, length and volume to determine their density.

• Sturdy storage base• 1 sample each of: walnut, oak, maple, polypropylene,

polyethylene, polyamide, acrylic, polyurethane, phenolic, polyvinylchloride (PVC), acetyl, teflon, aluminium, brass and copper

• Samples are stamped with a letter code for easy identification

• Instructions included

Type Order code 1+Density ID set 06-2164 21.72

538889

Solid Materials Set

A selection of materials in the form of rectangular blocks, intended to familiarize students with the appearance, feel, texture, hardness and density of a range of common substances.

• Blocks, 50 x 40 x 30mm: softwood, hardwood, paraffin wax, aluminium, iron, foamed polystyrene

• Blocks, 20 x 20 x 100mm: Perspex, glass, slate, aluminium, softwood, marble

• Lead 50 x 50 x 20mm• Aluminium 50 x 50 x 80mm• Hardwood 50 x 50 x 200mm• Brass 20 x 20 x 50mm• Iron 40 x 40 x 20mm• Supplied as a set of 34 blocks, 2 of each material

• Eisco type PH0114

Type Order code 1+Materials set 52-3346 106.19

565535

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• Chemicals required: water, molar sodium, or potassium sulphate or sulphuric acid

• Eisco type CH0740B

Stand sold separately.

Type Order code 1+Hoffmans apparatus 52-3343 56.14Support stand 52-3437 11.74

565532

Brownlee Water Electrolysis ApparatusBrownlee’s Water Electrolysis Apparatus is used to demonstrate that electrically conductive liquids can be decomposed and resolved into their constituent elements by means of a unidirectional electric current. The gaseous components formed by this method can be trapped and their relative volumes estimated.

The apparatus consists of a support which rests on a 1 litre beaker or jar and has two clips that each hold an inverted test tube. Platinum electrodes are positioned under the inverted test tubes and are attached to insulated connecting rods which are attached to binding posts mounted on the support. When the beaker is filled with a water-based solution and a direct current is passed between the electrodes, gases will begin to collect in the inverted test tubes.

• Requires a 1 litre beaker or jar, 6V battery or 10V DC power supply (not included)

• Includes:• 1x apparatus• 2x corks• 2x inverted test tubes• Includes full instruction manual• Eisco type PH0941BNote: battery, power supply and battery jar are not included.

Type Order code 1+Brownlee Water Electrolysis 52-3604 35.70

565643

Aluminium SheetEssential basic material for the Design & Technology and Science classroom or workshop.

• Available in two thicknesses

• Size 500 x 500mm

Type Order code 1+0.9mm 06-0736 8.56

066920

Brass SheetsEconomical brass sheets, ideal for cutting, shaping and bending.

• Superb rich brass finish

• 0.1mm thick sheets

Type Order code 1+A4 06-0744 5.94A3 06-0746 10.07

066922

Hand Vacuum PumpThis portable, hand operated vacuum pump will create and hold a vacuum up to approximately 170m bar/625 mm Hg.

• Made from high impact polystyrene

• Nozzle accepts 6mm bore tubing

• Complete with vacuum gauge and release valve

• Pumping rate: 16cc per stroke

Pump rate Order code 1+16cc per stroke 52-2680 124.35

550606

Kipps Apparatus

Kipp’s ApparatusA 3-chamber Kipp’s Apparatus set made of unbreakable polyethylene.

• Top has thistle funnel and bulb structure though which dilute acid can be poured

• Acid reacts with a metal sulphide in the base

• H2S gas collects in the middle dome where it can be released via a PTFE stop cock

• Lower chamber has outlet with cap for cleaning

• High density polyethylene (HDPE) construction

• 500ml capacity

Type Order code 1+500ml 52-1494 20.97

122497

Electrolysis

Hoffman’s Complete Electrolysis ApparatusHoffman’s apparatus is used for demonstrating the decomposition of water, determination of chemical composition by electrolysis and has applications in the evaluation of the electrochemical equivalent of hydrogen.

The glass unit has two connected limbs, each of approximately 50ml capacity (graduated 2 to 50ml), integral reservoir tube and funnel-shaped bulb, with a PTFE stopcock at the top of each limb.

• Supplied with 2 carbon and 2 platinum electrodes

• Requires a 12V DC power supply• Must be set up vertically using

a clamp and stand (sold separately)

Plastic Graduated Centrifuge Tube with CapThis plastic tube is designed to be used in a centrifuge.

• Graduated scale• Contents 50ml

• Blue plastic cap

MOQ 6Size Order code 6+50ml 52-2153 0.147

549127

Vacuum Pumps

Electric Vacuum PumpThis rotary vacuum pump is ideal for all general laboratory applications.

• Quiet operation• Easy to use• Ideal for class use• Supplied complete

with fitted UK 13A plug and instruction / maintenance manual

Please note that the pump is supplied without oil. Recomended type HFV-1.

Technical specificationInput voltage 220V, 50HzFlow rate 42 litres per min. (1.5 CFM)Ultimate vacuum 0.05 mBar (5Pa)Stages SinglePower ¼ HPIntake fitting ¼in. flareOil capacity 280mlDimensions 308 x 124 x 228mmWeight 6.5kg

Type Order code 1+Vacuum pump 52-2210 73.98

549163

Hand Held Vacuum Pump with Pressure GaugeThis hand-operated vacuum pump can be used in the laboratory or classroom.

• Supplied with pressure gauge

• Scale reads both centimetres and inches of mercury

• Pumping rate 15ml per stroke

• Valve can release vacuum without disconnecting pump

• Inner diameter of tubing: 6mm, outer diameter 10mm

Type Order code 1+With pressure gauge 52-2098 14.89

549096

Same day despatchGUARANTEED!

On all orders for in-stock items placed between 8am and 7pm

Monday to Friday

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Green Fill Laboratory Thermometers

These green fill laboratory thermometers are a safe alternative to traditional mercury filling.

• Moulded glass triangular top to prevent rolling• Available in 150mm, 200mm and 300mm lengths• 150mm thermometer is available in total immersion and

the 200mm and 300mm thermometers are available in partial immersion

• Temperature range –10 to +110°C• Clear permanent markings

Type Order code 1+150mm 85-2652 1.41200mm 85-2653 1.46300mm 85-2654 1.50

072999

Uncalibrated Mercury-Free Laboratory Thermometer

This green fill, mercury-free uncalibrated thermometer is suitable for laboratory use. Students can calibrate the thermometer themselves, by conducting experiments, for example, by establishing the melting point of ice and the boiling point of water.

• Moulded glass non-roll device to help prevent breakage• Mercury free• Uncalibrated to meet the National Curriculum

requirements for student calibration• Temperature range -10 to +110°C• 300mm length

Type Order code 1+Uncalibrated thermometer 85-2642 0.983

072993

Lo-Tox Thermometers

Thermometers containing Lo-Tox - an organic filling specially chosen to achieve a wide temperature span and provide the lowest practical levels of hazard, making these an ideal substitute for mercury thermometers.

• Range: -20 to +110°C• 305mm long• 76mm immersion• 1 division per degree• Supplied singly

Type Order code 1+-20 to +110°C 87-4336 3.37

066677

Mercury Free Max Min ThermometerA traditional style maximum/minimum thermometer.

• Environmentally friendly filling

• Ideal substitute to mercury models

Type Order code 1+Max./min. 87-4322 6.91

066669

Forehead ThermometersSlim forehead thermometers from TickiT marked with half degrees on the Celsius scale and the Fahrenheit equivalents. Suitable for use in the classroom as part of a human biology lesson or as part of a medical kit.

• Length 90mm• Supplied in pack of 10

Type Order code 1+Pack of 10 06-9949 8.53

563484

Rainbow Dial ThermometerWhite 300mm diameter rainbow dial thermometer with black temperature scale.

• Moulded in a plastic window for safety

• Suitable for outside and patio use

• Ideal for primary school use

• Suitable for Key Stages 1 & 2 (ages 5 to 11)

Type Order code 1+Rainbow dial 85-2651 9.89

073002

General Purpose Glass Thermometers

A 305mm, general-purpose glass thermometer with red spirit filling.

• Scaling from –10°C to +110°C in 1°C steps• Can measure both the freezing and the boiling points

of water, etc.• Fitted with hanging hook/anti roll device• Calibration is correct when immersed 76mm into liquid

Type Order code 1+305mm thermometer 87-4308 3.86

060615

Breaksafe Thermometer

This breaksafe safety coated thermometer is encapsulated in PVC to contain any glass or filling material in event of breakage.

• Available in a range of –10 +110°C• Clear permanent markings• Green filled• Partial immersion• Length 200mm

Type Order code 1+Breaksafe thermometer 85-2655 4.88

073000

Copper SheetsThese economical 0.1mm thick copper sheets are perfect for embossing, bending and cutting.

• Basic Design & Technology and Science resource

Technical specificationOrder code Mftrs Part No.06-0752 K423C A406-0754 K423D A3

Type Order code 1+A4 06-0752 4.63A3 06-0754 8.61

066924

Aluminium FoilFood grade Aluminium Foil approximately 45cm wide, ideal for cookery as well as experiments with metal.

• Available on 75 and 90m rolls

Type Order code 1+455mm (18in.) x 75m 06-0921 9.17455mm (18in,) x 90m 06-0922 14.98

066942

Thermometers

Laboratory Thermometers

These laboratory thermometers have an environmentally-friendly blue filling and offer an ideal alternative to mercury-filled thermometers. Suitable for use in the laboratory or classroom.

• Available with a choice of 2 scales

Temperature range Order code 1+-10 to 300C 52-2586 5.04-10 to 110C 52-2587 2.68

550529

Forehead ThermometerThis mercury free forehead thermometer takes body temperature on contact and reading within seconds.

• Simple to use• Re-useable• Reads from

35°C-40°C (95°F-104°F)

• Comes complete with a plastic storage box and full instructions

Type Order code 1+Forehead thermometer 85-2643 1.43

072994

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DET3R Penetration ThermometerThe Voltcraft DET3R is a penetration thermometer that is ideal for measurements in the food industry, butcheries, food testing laboratories and for health inspectors. Having a waterproof casing makes it suitable for use in liquids. The simple and quick execution of zero balance in ice water ensures higher accuracy for longer period.

• Min/ Max Hold Memory with dynamic update

• C/F switch• T90 Measure time approx.

8 seconds• Auto-switch-off• Continuous measurement function • Measuring range -40°C to +250°C • Waterproof as per the IPx7 standard• High accuracy by simple calibration in ice water• Supplied with Voltcraft DET3R penetration thermometer,

protection cap with clip, 1x LR1 battery and user manual.Protection cap with clip, 1x LR1 battery, user manual.

Type Order code 1+Voltcraft DET3R 51-5210 17.10

525221

IR 110-1S Infrared ThermometerThe Voltvraft IR-110-1S mini infrared thermometer is intended for non-contact measuring of temperatures of -33°C to +110°C. The IR-110-1S can also be used as a clock or a stopwatch. It is not suitable for industrial or medical use. The product is powered by a CR2032 battery.

• Small, convenient and accurate• The ideal companion with a wide

variety of optional features• Min/ Max function• Automatic power off after 15 seconds• Duration measuring activated • Integrated clock• Stopwatch• Display of the room temperature• Switchable between C and F• Optics 1:1• Measuring range -30°C to +110°C• Integrated stopwatchLithium battery (CR2032), Manual.

Please Note: Use only in a dry indoor environment.

Please Note: It is not suitable for industrial or medical use.

Type Order code 1+Voltcraft IR 110-1S 51-5190 13.93

525201

65mm Dial Fridge/Freezer ThermometerWhite 65mm dial fridge/freezer thermometer with blue and red temperature scale indicating recommended zones.

• Plastic bimetal dial thermometer with zones

• Temperatures given in °C only• Size: 85 x 65 x 12mm

Type Order code 1+Dial thermometer 65mm 85-2645 2.62

072996

33/404/0 Clip-on Pipe Thermometer 0 to +120°CThis thermometer from Brannan is ideal for fixing onto a pipe so that the temperature can be regulated - for instance, on a radiator pipe. It comes supplied with a fixing spring and is manufactured in a plastic case with a push-in acrylic window, displaying temperature ranges of 0 to +120°C and +30 to 250°F.

• Easy to adjust• Suitable for pipe diameter: 20 to 50 mm• Dial dimensions:• With bezel: 66mm diameter x 30mm • Without bezel: 62mm diameter x 29mm• Manufacturer’s part 33/404/0

Type Order code 1+Pipe thermometer 85-2656 9.09

563019

LCD Digital Thermometer and ClockThe Voltcraft LCD digital thermometer and clock has an extended temperature range up to 110°C for many ranges for temperature monitoring.

There are two limit values that can be pre-adjusted, and when this value is reached, a switch output and an alarm output are activated.

Also available is a replacement NTC temperature probe that features a -10°C to +110°C range and 3m lead.

• Temperature range -10°C to +110°C• Accuracy: ±1°C• Measurement rate: 1 or 10 secs• Temperature resolution: 0.1°C• Digit height: 13mm• Operating voltage: 1x AA batteries• Dimensions: 68(W) x 35(H) x 24(D)mm

Please Note: Requires 1x AA battery (not supplied).

Type Order code 1+Digital Thermometer 51-5169 10.27Temperature probe 52-0919 4.28

525180

Classroom ThermometerThis oversized thermometer features a large, accurate 30cm glass magnifying tube, giving the current temperature in both Centigrade and Fahrenheit. Ideal for use in the classroom or outside.

• Kerosene filled• Range -40° to +50°C (-40° to +120°F)

• Length: 380mm

Length Order code 1+380mm 06-9963 3.88

563492

Window Thermometer65mm diameter window thermometer with blue and red temperature scale.

• Temperature given in °C and °F

• Reads the outside temperature from indoors

• The transparent design of the thermometer allows the temperature to be viewed from inside the classroom

• Nominal range –20°C to +50°C

Type Order code 1+Window thermometer 65mm 85-2650 2.85

073003

Stainless Steel Dial Fridge/Freezer ThermometerStainless steel 50mm dial fridge/freezer thermometer with black temperature scale indicating recommended zones.

• Bimetallic dial thermometer with zones on scale

• Hangs or stands• Temperature given in

°C only• Size: 85 x 65 x 12mm

Type Order code 1+Dial fridge/freezer therm. 85-2646 3.17

072997

Horizontal Fridge/Freezer ThermometerHorizontal fridge/freezer thermometer with blue temperature scales indicating recommended zones.

• Moulded in white plastic with hanging clip and stand• Provides temperatures in °C only• Size: 130 x 40 x 22mm

Type Order code 1+Fridge/freezer thermometer 85-2644 2.07

072995

Mini RayTemp Infrared Thermometer -50 to +330 Deg

Only

£22.88Order code 85-3229

www.rapidonline.com

Free Delivery*on all orders over £30 (excl. VAT)

(UK mainland only)* See Terms & Conditions for full details - www.rapidonline.com/terms

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252

Chemistry252Ed

ucat

ion

13

Tel: 01206 751166 Fax: 01206 751188

Che

mis

try

Kitchen Scales 5000gThis kitchen scale has a 5000g capacity and graduations of 1g/0.1oz. Equipped with an easy-view LCD display and powered by 2x CR2032 lithium batteries.

• Display modes: grams and ounces

• Key function: On/Off; Tare/Mode

• 1.1L container (optional)

• Low-battery indication/Over-load indication• Auto/Manual shut-off• Manufacturer’s part P02035

Type Order code 1+Kitchen Scales 52-2209 10.99

549162

White Diamond Square Weighing DishesThese Medline ‘White Diamond’ weighing dishes are made of white, translucent polystyrene and are easily bent into pouring spouts for non-spill transfer of liquids. They are biologically inert, contaminant-free and are resistant to diluted acids, aqueous solutions, alcohols and bases.

• Suitable for microwave• Will withstand temperatures from –10 to +80°C• Not antistatic • 5ml size are supplied in packs of 250• 30ml size are supplied in packs of 500• Medline types 1911103 (5ml) and 1911104 (30ml)Technical specificationNominal capacity Dimensions Weight5ml 41 x 41 x 8mm 0.34g30ml 89 x 89 x 25mm 1.07g

Type Order code 1+5ml 85-2366 2.7830ml 85-2349 8.89

500328

Precision BalancesThese are the ideal entry-level models for all laboratory technicians.

• Excellent value for money in this performance class

• Many multiple functions are at users disposal

• Can be used for parts counting and also for weighing different mixtures

• Data transfer to printer or PC function• Four function keys• Protective working cover as standard• Includes test weight, DKD approved• Supplied with an AC/DC mains power adaptorTechnical specificationKern part No. 440-35NReadout 0.01gWeighing range 400gStabilisation time 3 secondsAuto-off function (batt. mode) After 3 minutesOperating temperature +10°C to +40°CDimensions 165(W) x 230(D) x 80(H) mmWeight approx. 1kgOrder code 85-2361

Type Order code 1+440 35N Scales 85-2361 297.62

071956

Electronic Disc Kitchen ScaleThe Salter Disc Scale’s Add & Weigh function allows you to measure multiple ingredients in the same bowl - saving you washing up!

• Weigh ingredients directly onto the scale or use your own bowl

• Switch between g / kg and oz. / lb• Easy to read LCD display• Compact slim design for easy storage• Contemporary design• Capacity: 5kg / 11lb• Resolution 1g / 0.1oz.• Powered by a single Lithium CR2032 battery (included)• Manufacturer’s 15-year guarantee• Salter model 1036 BKSSDR

Type Order code 1+Salter disc scale 52-7245 12.83

300580

Scales

School Scales

These scales are ideal for general purpose weighing in laboratory environments through to quality control applications.

• Only two function keys• Very easy to use• Large 16mm LCD display• Adjustment program CAL• Battery powered (supplied) or by optional AC/DC

power adaptor• Impact resistant ABS case with non-slip rubber feet• Splash-proof membrane keypadTechnical specificationKern No. EMB 200-2 EMB 2200-0 EMB 5.2K5Readout 0.01g 1g 5gWeigh range 200g 2,200g 5,200gStabilisation 2 to 3 secs 2 to 3 secs 2 to 3 secsAuto-off (batt) After 3 mins After 3 mins After 3 minsOperating temp 0°C to +40°C 0°C to +40°C 0°C to +40°CBattery supply 1x 9V 2x AA 2x AAMains adaptor 85-1681 85-1681 85-1681Dimensions (mm) 170(W) x 240(D)

x 39(H)170(W) x 240(D) x 39(H)

170(W) x 240(D) x 39(H)

Weight approx. 600g 600g 600gOrder code 85-2356 85-2358 85-2359

Kern No. EMB 500-1 EMB 5.2K1Readout 0.1 1Weigh range 500g 5200Stabilisation 2 to 3 secs 2 to 3 secsAuto-off (batt) After 3 mins After 3 minsOperating temp +5°C to +35°C +5°C to +35°CBattery supply 1x 9V 1x 9VMains adaptor 85-1681 85-1681Dimensions (mm) 170(W) x 240(D)

x 38(H)170(W) x 240(D) x 38(H)

Weight approx. 0.5kg 0.5kgOrder code 85-3436 85-3437

Type Order code 1+EMB 200-2 Scales 85-2356 102.81EMB 2200-0 Scales 85-2358 43.12EMB 5.2K5 Scales 85-2359 39.00EMB 500-1 Scales 85-3436 48.04EMB 5.2K1 Scales 85-3437 45.04

071952

FREESCIENCE & DESIGN & TECHNOLOGY

POSTERSEmail [email protected]

for your pack

Capacitance (picofarad pF)

Capacitance (nanofarad nF)

Capacitance (microfarad µF)

Capacitance Code

100.01

100

150.015

150

470.047

470

820.082

820

1000.1

101

3300.33

331

4700.47

0.00047471

10001.0

0.001102

15001.5

0.0015152

22002.2

0.0022222

47004.7

0.0047472

68006.8

0.0068682

1000010

0.01103

2200022

0.022223

4700047

0.047473

100000100

0.1104

220000220

0.22224

470000470

0.47474

Resis

tors Gold – – ÷10 5% tolerance

Silver – – ÷100 10% tolerance

Brown 1 1 0 1% tolerance

Red 2 2 00

Orange 3 3 000

Yellow 4 4 0000

Green 5 5 00000

Blue 6 6 000000

Violet 7 7 0000000

Grey 8 8

White 9 9

Black 0 0

4R7 (4.7Ω) 5%

1M8 (1,800,000Ω) 5%

220K (220,000Ω) 5%

1K (1,000Ω) 5%

Resistor values for LEDs

assuming approximately

20mA is required

Voltage Value

3V 120Ω

5V 220Ω

9V 470Ω

12V 560Ω

Multiplication factors and symbols

M mega 1 000 000 (10 )

K kilo 1 000 (10 )

m milli 0.001 (10 )

µ micro 0.000 001 (10 )

6

3

-3

-6flat on body is usually cathode (negative)

Resistor Colour Codes – carbon fi lm

Capa

cito

rs Examples:103 is 10 with three zeros – 10,000pF or 10nF

471 is 47 with one zero – 470pF or 0.47nF

Capacitors in parallel

CTOTAL = C1 + C2

+ C3 etc...

Example:

CTOTAL = 47µF + 10µF + 4.7µF

CTOTAL = 61.7µF

Capacitors in series

Example:

so the total capacitance is

1 = 2.99µF––––– 0.334

1 1 1 1

CTOTAL C1

C2 C3

etc… –––– = – + – + –

1 1 1 1

CTOTAL 47µF 10µF 4.7µF–––– = –––– + –––– + –––––

C1

C2

C3

47µF

10µF

4.7µF

C1

47µF 10µF 4.7µF

C2C3

1 1 1 1

RTOTAL R1

R2 R3

etc… –––– = – + – + –

Resistors in seriesRTOTAL = R1

+ R2 + R3

etc...

Example:

RTOTAL = 100K + 47K + 330K

RTOTAL = 447KΩ

Resistors in parallel

Example:

so the total resistance is

1 = 2.99KΩ––––– 0.334

R1

100K 47K 330KR2

R3

R1

R2

R3

100K

47K

330K

1 1 1 1

RTOTAL 100K 47K 330K–––– = –––– + ––– + ––––

Capacitance codes give

a value in pF. The fi rst

two digits are signifi cant

digits and the third digit is

number of zeros.

www.rapidonline.comRapid Education, Severalls Lane, Colchester, Essex CO4 5JS • Tel: 01206 751166 • Fax: 01206 751188 • Email: [email protected]

M025707/14

Here are just a few examples of how robotics

can help to teach in all areas of STEM.

How many more can you think of?

STEM

www.rapidonline.comRapid Education, Severalls Lane, Colchester, Essex CO4 5JS • Tel: 01206 751166 • Fax: 01206 751188 • Email: [email protected]

M028307/14

Robotics in

STEM Education

92°43°

45°

98°51°

31°

130mm

125mm

183mm

180mm

353mm280mm

SCIENCE

ENGINEERING

TECHNOLOGY

MATHEMATICS

Energy changes and transfers

Using simple mechanisms to give a larger force at the expense of smaller or slower

movements.

The word “engineering” comes from the

Latin ingenium meaning “cleverness”

and ingeniare meaning “to devise”.

Educational robotics uses two main

branches of engineering – mechanical

and electrical/electronic and requires

the application of maths, science and

experimentation to devise, test and

analyse solutions. Competition robotics

takes this a step further by giving a real

problem to solve and an environment in

which to test the solutions to the limit.

ElectronicsA robot requires sensors

to allow it to interact with

its environment as well as

motors to move, solenoids

to control pneumatics and

microcontrollers to process

the data.

Ratios and ProportionsRobot designs drawn

on paper may be at a

reduced scale and ideas

might be prototyped in

smaller sizes to test ideas

before building the full

scale robot.Gear ratios are used to

improve performance of

the robot – what is the

difference between a 3:1

gear ratio and a 1:3 gear

ratio? If using a 12 tooth

pinion, how many teeth

will the gear need to have

to achieve a 3:1 ratio?

Forces and Friction

In the case of the VEX

Robotics Competition and

VEX IQ Challenge, mobile

robots are used. For a robot

to be mobile, it needs to

have friction between its drive

wheels and the ground – too

little friction and it will slip,

too much and it won’t be able to turn.

Balanced forces - If your motor and mechanism can’t

provide the force required to lift a weight, can the

addition of counterbalances or elastic/springs assist?

Programming

The brain of the robot is

a microcontroller which

processes data received

from the sensors and

controls the actuators

such as motors and

pneumatics. A program

(code) needs to be

created which will form a

set of instructions or rules

for the robot to follow. To

make an effi cient robot,

the code needs to be

refi ned so that instructions

are executed quickly and

accurately.

Probability and

statisticsThe VEX competition

requires you to form

alliances with other teams

– statistics can help make

decisions about which

teams can complement

each other and be the

most effective alliance.

ElectricityHow much current is

required to run the motors

of the robot and how

does this change with the

loads being moved? Does

the battery have enough

capacity to run the motors

for long enough for the

tasks to be completed?

MaterialsIt is important to select

the correct materials for

the job – these could be

selected for a combination

of their strength, weight,

cost and availability.

Robotics provides a practical application for maths and shows how a number of the

fundamentals of maths can be used in the real world.

GeometryMechanisms on the

robot will require an

understanding of geometry

to ensure that parts move

correctly. It can also be

used to simplify designs

by using geometry to

move other parts of the

robot rather than by

adding motors.

Common componentsInput Process Output

PTMS (Push To Make Switch)

Diode

+

+V

-V

-

LampM

M

PTBS (Push To Break Switch)

Zener Diode

+

+V

-V

-

LED (Light Emitting Diode)

M

M

SPST (Single Pole Single Throw)

Transistor

+

+V

-V

-

Bi-coloured LED

M

M

SPDT (Single Pole Double Throw)

ThyristorTri-coloured LED

M

M

DPDT (Double Pole Double Throw)

FET (Field Effect Transistor)

+

+V

-V

-

PCB Mounted Buzzer

M

M

Microswitch555 IC

Transistor Buzzer

M

M

Keypad741 IC Op Amp

+

+V

-V

-

Uncased PiezoM

M

Tilt SwitchSound Generator

7 Segment Display

Vibration SwitchAND Gate 4081 IC

+

+V

-V

-

Relay

M

M

Reed SwitchOR Gate 4071 IC

+

+V

-V

-

Solenoid

M

M

Rotary SwitchNAND Gate 4011 IC

+

+V

-V

-Motor M

M

LDR (Light Dependent Resistor)

NOR Gate 4001 IC

+

+V

-V

-

Solar Motor M

MThermistor

EX OR Gate 4070 IC

+

+V

-V

-

Gear Box with Motor

M

MPotentiometerMelody Generator

Servo

Microphone

Stepper Motor Driver

Stepper Motor

M

M

UltraSonic Range Finder

PICAXESpeaker

M

M

Infrared Receiver

GENIEMiniature Speaker

M

M

ArduinoLCD and Driver (Liquid Crystal Display)

Raspberry PiMusical Buzzer

Siren

www.rapidonline.comRapid Education, Severalls Lane, Colchester, Essex CO4 5JS • Tel: 01206 751166 • Fax: 01206 751188 • Email: [email protected]

M028407/14

1. WHAT IS SOLDERING?

Soldering is the joining together of two metals to give physical

bonding and good electrical conductivity. Solder is a combination of

metals, which are solid at normal room temperatures and become

liquid at between 180 and 230°C. Solder bonds well to various

metals, and extremely well to copper.

Soldering has many uses. It is used primarily to assemble electronic

components such as resistors, capacitors and IC’s onto printed circuit

boards. However, it can also be used to join wires, metals, and even

manufacture jewellery.

In electronics LEADFREE fl uxed core SOLDER is used.

This consists of approximately 99% Tin and 1% copper depending

on the brand of solder used. Sometimes a small percentage of

silver is added to soften the solder and reduce the melting point

temperature.

FLUX is an aggressive chemical that removes oxides and impurities

from the parts to be soldered. This ensures a good physical and

electrical joint is made. Fluxes enable good ‘wetting’ or ‘tinning’.

Wetting is a term that describes good adhesion of the solder to

the components being soldered. Tinning is a term that describes the

application of solder to the soldering iron tip, or to a component

being prepared for soldering.

2. SOLDERING IRON

These are the tools which heat the solder from room temperature

to its melting point. A modern basic electrical soldering iron consists

of the following:

The HEATING ELEMENT can be either a resistance wire

wound around a ceramic tube, or a thick fi lm resistance element

printed onto a ceramic base. The element is then insulated and

placed into a metal tube for strength and protection. This is

then thermally insulated from the handle. The element reaches

temperatures of around 370 to 400°C.

The SOLDERING BIT is a specially shaped piece of copper

plated with iron and then usually plated with chrome. Copper is used

for good thermal conductivity. Iron is very resistant to aggressive

solders and fl uxes. The bit then fi ts over or inside the heating

element dependant on the design of the soldering iron.

The HANDLE AND POWER CORD completes the soldering

iron. Various handle styles are available. The power cord is often

insulated with PVC. But, this can be damaged and melt if touched by

a hot soldering iron. Therefore silicone rubber insulated power leads

are extremely popular for long life and electrical safety.

3. IRON SELECTION

The strength or power of a soldering iron is usually expressed in

Watts. Irons generally used in electronics are typically in the range

12 to 25 Watts. The most popular irons for use in schools or for

hobbyist electronics are the 18 and 25-Watt versions.

It must be remembered that a 25-Watt iron will not run hotter

than a 12-Watt iron, but it will have more power available to quickly

replace heat drained from the iron during soldering. Therefore, the

bigger the component being soldered, the greater the need for

“quantity of heat”, the higher the power needed.

Most irons are available in a variety of voltages, 12V, 24V, 115V, and

230V are the most popular. You should always use a low voltage iron

where possible, as it is much safer.

As your soldering skills improve, you may work with temperature

sensitive devices such as integrated circuits. For these applications a

temperature-controlled soldering iron (TCS) should be used.

For bench work a soldering station may be used. This incorporates

temperature selection, optional digital temperature readout, 24V

transformer, an iron holder, and a sponge, all within a neat bench unit.

4. PREPARATION1. If using multi-stranded wire such as 7/0.2 equipment wire, twist

the strands together and tin the end of the wire.

2. Bend the lead to fi t the position on the PCB. Do not bend too

close to the component body as damage to the component

may occur.3. If the component is temperature sensitive use a pair of pliers as a

heatsink between the component body and the point to

be soldered.4. Tin the site where the component is to be soldered.

5. SOLDERING

1. Switch on the soldering iron and feed solder to the tip of the

iron as it heats up.2. Wipe off excess solder onto a damp sponge

3. Place the hot iron on the component lead and the PCB pad.

Feed the solder into the far side of the component lead . Solder

will begin to fl ow around the lead. Do not use too much solder.

4. Next remove the solder source followed by the iron.

5. Do not disturb the component for a few seconds until the solder

has solidifi ed.6. Trim the component leads to within 1mm of the soldered joint.

6. TAKE CARE

1. Plan the component layout.2. Mount the smallest components fi rst.

3. Try to leave component identifi cation markings visible

4. Support heat-producing components above the PCB with

ceramic beads.5. Keep soldering time to a minimum to reduce the risk of heat

damage to the component.6. Beware of solder bridging across tracks. This could cause a

short circuit.7. If working with static sensitive components always use a wrist

strap connected to an earthing point.

7. CHECK YOUR WORK

1. Are all of the components in place?

2. Are all of the soldered joints neat and tidy?

3. Is there too much or too little solder on the joint?

4. Has the solder fl owed evenly around the lead?

5. Is the solder joint nice and shiny?6. Are all components inserted the right way around?

(Check polarity!)7. Check for solder bridges.

AN INTRODUCTION TO

SOLDERING

8. ADDITIONAL INFORMATIONIn common with all tools, a soldering iron will last longer with correct care and maintenance.

1. Always wipe the bit on a damp sponge prior to making a soldered joint. Most bench stands incorporate a sponge

for this purpose.2. Always apply solder to the bit of an iron as it heats up. This will ensure good tinning and long life of the bit.

3. A solder bit that will not wet can be cleaned by lightly rubbing the bit with a nylon pad. Ensure the iron is switched

off and do not use wire wool or emery paper as this will remove protective plating and shorten the bit life.

4. Always keep a hot iron in a bench stand.

5. Never put a soldering iron into liquid.

6. Regularly check the cable for burns. Alternatively use an iron that is supplied with silicone cable which is resistant

to burns from the soldering iron.

It is sometimes necessary to remove a component from a PCB. To desolder a component melt the solder around

the component with a soldering iron. When the solder fl ows remove the molten solder with a desolder pump.

Replace the iron in a stand and allow the component to cool for a few seconds. Carefully remove the component

from the holes in the PCB.

Too Much

Too Little

Just Right

Goo

d an

d Ba

d Jo

ints

temperature-controlled soldering iron (TCS) should be used.

For bench work a soldering station may be used. This incorporates

temperature selection, optional digital temperature readout, 24V

transformer, an iron holder, and a sponge, all within a neat bench unit.

www.rapidonline.comRapid Education, Severalls Lane, Colchester, Essex CO4 5JS • Tel: 01206 751166 • Fax: 01206 751188 • Email: [email protected]

M028807/14

1

1

2

3

4

5

6

7

HHYDROGEN

1.008

1 18

2 13 14 15 16 17

3 4 5 6 7 8 9 10 11 12

57-71

89-103

LiLITHIUM6.941

3

BeBERYLLIUM

9.012

4

LiLITHIUM6.941

3

BeBERYLLIUM9.012182

4

NaSODIUM22.99

11

MgMAGNESIUM

24.305

12

LiLITHIUM6.941

3

BeBERYLLIUM9.012182

4

KPOTASSIUM

39.098

19

CaCALCIUM40.078

20

LiLITHIUM6.941

3

BeBERYLLIUM9.012182

4

RbRUBIDIUM

85.468

37

SrSTRONTIUM

87.62

38

BeBERYLLIUM9.012182

4

ScSCANDIUM

44.956

21

BeBERYLLIUM9.012182

4

YYTTRIUM88.906

39

BeBERYLLIUM9.012182

4

TiTITANIUM47.867

22

BeBERYLLIUM9.012182

4

ZrZIRCONIUM

91.224

40

BeBERYLLIUM9.012182

4

HfHAFNIUM178.49

72

RfRUTHERFORDIUM

261.109

104

BeBERYLLIUM9.012182

4

VVANADIUM

50.942

23

BeBERYLLIUM9.012182

4

NbNIOBIUM92.906

41

BeBERYLLIUM9.012182

4

TaTANTALUM180.948

73

DbDUBNIUM262.114

105

BeBERYLLIUM9.012182

4

CrCHROMIUM

51.996

24

BeBERYLLIUM9.012182

4

MoMOLYBDENUM

95.96

42

BeBERYLLIUM9.012182

4

WTUNGSTEN

183.84

74

SgSEABORGIUM

263.118

106

BeBERYLLIUM9.012182

4

FeIRON

55.845

26

BeBERYLLIUM9.012182

4

RuRUTHENIUM

101.07

44

BeBERYLLIUM9.012182

4

OsOSMIUM190.23

76

HsHASSIUM265.13

108

BeBERYLLIUM9.012182

4

CoCOBALT58.933

27

BeBERYLLIUM9.012182

4

RhRHODIUM102.906

45

BeBERYLLIUM9.012182

4

IrIRIDIUM192.217

77

MtMEITNERIUM

268.139

109

BeBERYLLIUM9.012182

4

NiNICKEL58.693

28

BeBERYLLIUM9.012182

4

PdPALLADIUM

106.42

46

BeBERYLLIUM9.012182

4

PtPLATINUM195.084

78

DsDARMSTADTIUM

281.162

110

BeBERYLLIUM9.012182

4

CuCOPPER63.546

29

BeBERYLLIUM9.012182

4

AgSILVER

107.868

47

BeBERYLLIUM9.012182

4

AuGOLD

196.967

79

RgROENTGENIUM

273.154

111

BeBERYLLIUM9.012182

4

ZnZINC

65.409

30

BeBERYLLIUM9.012182

4

CdCADMIUM112.411

48

BeBERYLLIUM9.012182

4

HgMERCURY200.59

80

CnCOPERNICIUM

(285)

112

BeBERYLLIUM9.012182

4

GaGALLIUM69.723

31

BeBERYLLIUM9.012182

4

AIALUMINIUM

26.982

13

BeBERYLLIUM9.012182

4

BBORON10.811

5

BeBERYLLIUM9.012182

4

InINDIUM114.818

49

BeBERYLLIUM9.012182

4

TlTHALLIUM204.383

81

UutUNUNTRIUM

(284)

113

BeBERYLLIUM9.012182

4

GeGERMANIUM

72.63

32

BeBERYLLIUM9.012182

4

SiSILICON28.086

14

BeBERYLLIUM9.012182

4

CCARBON12.011

6

BeBERYLLIUM9.012182

4

SnTIN

118.71

50

BeBERYLLIUM9.012182

4

PbLEAD207.2

82

FlFLEROVIUM

(289)

114

BeBERYLLIUM9.012182

4

AsARSENIC74.922

33

BeBERYLLIUM9.012182

4

PPHOSPHORUS

30.974

15

BeBERYLLIUM9.012182

4

NNITROGEN

14.007

7

BeBERYLLIUM9.012182

4

SbANTIMONY

121.76

51

BeBERYLLIUM9.012182

4

BiBISMUTH208.98

83

UupUNUNPENTIUM

(288)

115

BeBERYLLIUM9.012182

4

SeSELENIUM

78.96

34

BeBERYLLIUM9.012182

4

SSULFUR32.066

16

BeBERYLLIUM9.012182

4

OOXYGEN15.999

8

BeBERYLLIUM9.012182

4

TeTELLURIUM

127.6

52

BeBERYLLIUM9.012182

4

PoPOLONIUM208.982

84

LvLIVERMORIUM

(293)

116

BeBERYLLIUM9.012182

4

BrBROMINE79.904

35

BeBERYLLIUM9.012182

4

ClCHLORINE

35.453

17

BeBERYLLIUM9.012182

4

FFLUORINE18.998

9

BeBERYLLIUM9.012182

4

IIODINE

126.904

53

BeBERYLLIUM9.012182

4

AtASTATINE209.987

85

BeBERYLLIUM9.012182

4

KrKRYPTON83.798

36

BeBERYLLIUM9.012182

4

ArARGON39.948

18

BeBERYLLIUM9.012182

4

NeNEON

20.1797

10

HeHELIUM

4.002602

2

BeBERYLLIUM9.012182

4

XeXENON131.29

54

BeBERYLLIUM9.012182

4

RnRADON222.018

86

BeBERYLLIUM9.012182

4

MnMANGANESE

54.938

25

BeBERYLLIUM9.012182

4

TcTECHNETIUM

97.907

43

BeBERYLLIUM9.012182

4

ReRHENIUM186.207

75

BeBERYLLIUM9.012182

4

LaLANTHANUM

138.905

57

BeBERYLLIUM9.012182

4

AcACTINIUM227.028

89

BeBERYLLIUM9.012182

4

CeCERIUM140.116

58

BeBERYLLIUM9.012182

4

ThTHORIUM232.038

90

BeBERYLLIUM9.012182

4

PrPRASEODYMIUM

140.908

59

BeBERYLLIUM9.012182

4

PaPROTACTINIUM

231.036

91

BeBERYLLIUM9.012182

4

PmPROMETHIUM

144.913

61

BeBERYLLIUM9.012182

4

NpNEPTUNIUM

237.048

93

BeBERYLLIUM9.012182

4

SmSAMARIUM

150.36

62

BeBERYLLIUM9.012182

4

PuPLUTONIUM

244.064

94

BeBERYLLIUM9.012182

4

EuEUROPIUM151.964

63

BeBERYLLIUM9.012182

4

AmAMERICIUM

243.061

95

BeBERYLLIUM9.012182

4

GdGADOLINIUM

157.25

64

BeBERYLLIUM9.012182

4

CmCURIUM247.07

96

BeBERYLLIUM9.012182

4

TbTERBIUM158.925

65

BeBERYLLIUM9.012182

4

BkBERKELIUM

247.07

97

BeBERYLLIUM9.012182

4

DyDYSPROSIUM

162.5

66

BeBERYLLIUM9.012182

4

CfCALIFORNIUM

251.08

98

BeBERYLLIUM9.012182

4

HoHOLMIUM164.93

67

BeBERYLLIUM9.012182

4

EsEINSTEINIUM

252.083

99

BeBERYLLIUM9.012182

4

ErERBIUM167.259

68

BeBERYLLIUM9.012182

4

FmFERMIUM257.095

100

BeBERYLLIUM9.012182

4

TmTHULIUM168.934

69

BeBERYLLIUM9.012182

4

MdMENDELEVIUM

258.098

101

BeBERYLLIUM9.012182

4

YbYTTERBIUM

173.04

70

BeBERYLLIUM9.012182

4

NoNOBELIUM259.101

102

BeBERYLLIUM9.012182

4

LuLUTETIUM174.97

71

BeBERYLLIUM9.012182

4

LrLAWRENCIUM

262.11

103

BeBERYLLIUM9.012182

4

NdNEODYMIUM

144.24

60

BeBERYLLIUM9.012182

4

UURANIUM238.029

92

BhBOHRIUM264.125

107

LiLITHIUM6.941

3

BeBERYLLIUM9.012182

4

CsCAESIUM132.905

55

BaBARIUM137.327

56

LiLITHIUM6.941

3

BeBERYLLIUM9.012182

4

FrFRANCIUM

223.02

87

RaRADIUM226.025

88

Post-transition metals

Transition metals

Lanthanide

Alkaline earth metals

Metaloids

Alkali metals

Other nonmetals

Halogens

Actinide

Noble gases

Radioactive element

Synthetic element

Gas

Liquid

Unknown chemical properties

XeXEON

131.293

54 28

1818

8

Atomic number

Symbol

Atomic mass

Name

Electronsper shell

Br

SolidNi

Fi

H

UusUNUNSEPTIUM

(292)

117

UuoUNUNOCTIUM

(294)

118

K

KL

KLM

KLMN

KLMNO

KLMNOP

KLMNOPQ

KLMNOP

KLMNOPQ

28

1832

92

28

183232

92

28

1832

82

28

183232

82

28

1831

82

28

183231

82

28

1830

82

28

183230

82

28

1829

82

28

183229

82

28

1828

82

28

183228

82

28

1827

82

28

183226

92

28

1825

92

28

183225

92

28

1825

82

28

183225

82

28

1824

82

28

183224

82

28

1823

82

28

183222

92

28

1822

82

28

183221

92

28

1823

82

28

183220

92

28

1819

92

28

18321810

2

28

1818

92

28

183218

92

2

28

288

28

188

28

1818

8

28

183218

8

28

18323218

8

1

21

281

2881

28

1881

28

1818

81

28

183218

81

27

287

28

187

28

1818

7

28

183218

7

28

18323218

7

26

286

28

186

28

1818

6

28

183218

6

28

18323218

6

25

285

28

185

28

1818

5

28

183218

5

28

18323218

5

24

284

28

184

28

1818

4

28

183218

4

28

18323218

4

23

283

28

183

28

1818

3

28

183218

3

28

18323218

3

22

282

2882

28

1882

28

1818

82

28

183218

82

28

182

28

1818

2

28

183218

2

28

18323218

2

28

181

28

1818

1

28

183218

1

28

18323217

2

28

162

28

1818

28

183217

1

28

18323217

1

28

152

28

1816

1

28

183215

2

28

18323215

2

28

142

28

1815

1

28

183214

2

28

18323214

2

28

132

28

1813

2

28

183213

2

28

18323213

2

28

131

28

1813

1

28

183212

2

28

18323212

2

28

112

28

1812

1

28

183211

2

28

18323211

2

28

102

28

1810

2

2892

28

1892

28

183210

2

28

18323210

2

PERIODIC TABLE

www.rapidonline.com/educationRapid Education, Severalls Lane, Colchester, Essex CO4 5JS • Tel: 01206 751166 • Fax: 01206 751188 • Email: [email protected] M0255 04/14

Includes A1 Periodic

Table

For more details see page 1

To enter, visit www.airgineers.co.uk

Airgineers is a STEM challenge for secondary school aged students who will need to design, build and learn to fly their own radio controlled quadcopter, often referred to as a drone. On their quest to become Airgineers UK Champions, teams will compete in two different classes, Micro and 3S.

Drone Racing Challenge