borosil(2)

Manufacturers of 3.3 Expansion Borosilicate Glass

In

10ml

4002500

300400 300 200 100

APPROX. VOL.

250ml 4980A100ml0.1

200APPROX. VOLUMES

500ml

150 100

500ml 1000

100

200 100

200

In

300

Ex 50ml

0

P.K.KHERUKAVice Chairman and Managing Director

Dear Customers, Warm greetings for the new financial year. It is always my great pleasure to present to you Borosils latest pricelist, which becomes effective from 1st April, 2010. This year is set to be another exciting one from the point of view of Indian industry. The financial turmoil which swept the world last year seems to have given impetus to Indian industry, as we see more and more companies investing in production and R&D facilities in India. India is increasingly being seen as a place where companies can draw value not only by setting up back offices, but also as a place where new product development and cutting edge research can be undertaken. At Borosil, we have been anticipating and gearing up for this change for the past few years. Our new production facilities have the ability to deliver high quality glassware in sizeable quantities. For this purpose, we have made further investments in automation and new technologies for glass handling. Our investment in SAP has helped us improve levels of customer service and our introduction of a range of high quality liquid handling systems has been appreciated by you. This year, we are proud to announce the introduction of a new range of tissue culture products. These products find usage in biotech and microbiology, both growth areas in the Indian context. In addition to this, there are a number of other glassware product introductions that are individually highlighted in the catalogue. For any comments or feedback on how we could serve you better, please feel free to contact me on [email protected]. I take this opportunity to wish all of you the very best for the year ahead. Best regards,

BOROSIL GLASS WORKS LTD. an ISO 9001 certified company

Registered Office : Khanna Construction House, 44, Dr. R.G.Thadani Marg, Worli, Mumbai - 400 018. Phone : +91-22-6740 6300 Website : www.borosil.com

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Our facilities at Bharuch (Gujarat)...

Our new solar glass manufacturing facility. Our sheet glass facility can be seen in the background

Our machine finishing operations

Our cold end operations

Vast span of open green spaces

Living accomodation

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AUTO CALIBRATION MACHINE

Borosil is the single largest manufacturer of the complete range of volumetric glassware in the country. Our volumetric products find usage in all laboratories from high-end pharmaceutical production to high schools and colleges.Borosil adheres to the tightest quality standards right from the usage of the raw material to the measurement and calibration of the finished product. Visual & physical quality checks are performed at each stage of production so as to ensure the highest quality product for our customers. Borosil ensures each of its volumetric ware is of the highest quality in the following parameters: 1. Accuracy: Please see 'calibration process' for a detailed understanding of how Borosil volumetric ware is the most accurate in the world 2. Mechanical Strength: All Borosil laboratory glassware products are annealed in a special chamber wherein the stress developed during the manufacturing process is eliminated under a controlled heating & cooling process. Moreover, our production processes ensure uniform wall thickness across all our products, thereby enhancing mechanical strength. 3. Thermal Shock Resistance: The annealing process further ensures that our products are free of residual stresses. Moreover, the uniform wall thickness of our products ensures that our products are not damaged owing to repeated heating and cooling in laboratories 4. Chemical Durability: All Borosil laboratory glassware products are manufactured using 3.3 low expansion ASTM E-438 Type 1 Class A borosilicate glass. This glassware, by nature, is resistant to attack from acids, salt solutions and organic solvents.

Calibration Process Borosil performs the calibration process with fully automatic state of art calibration machines that remove any possibility of human error and ensure a high degree of repeatable measurements for all our volumetric products. Borosil has an in house set up of a well-equipped temperature controlled calibration laboratory with precision electronic balances, thermometers and stopwatches that are traceable to national standards. Only experienced & trained technicians are used for calibration of volumetric glassware. The following steps are carried out by highly precise fully automated computer controlled machines: 1. Filling the volumetric blanks with precisely defined amount of de-mineralized water under a controlled temperature. 2. The meniscus is determined with a laser controlled camera at the exact lowest point of the water level and the calibration mark is made with a fine diamond wheel. This gives accuracies that can never be achieved by manual calibration. 3. Cylinders, Burettes and pipettes are marked at minimum two calibration points. 4. The wet surface area factor is always taken account throughout the process. 5. The calibration laboratory is temperature and light controlled and the nominal calibration temperature is 27.0 C. All volumetric glassware is calibrated either as; To contain Tc, In or To deliver TD, Ex. These steps ensure that each and every volumetric product leaving our facility matches the best international standards and can be used for all purposes with the highest degree of repeatability and accuracy

an ISO 9001 certified company

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Sales Offices

MUMBAI Block No. 403/404, 4th Floor, Kaliandas Udyog Bhavan, Near Century Bazar, Prabhadevi, Mumbai - 400 025. Phone : 022 - 6740 6400 Fax : 022 - 6740 6444 Email : [email protected] Email : [email protected]

NE

WAHMEDABAD

Borosil Glass Works Ltd 306, Sakar V Behind Natraj Cinema Off Ashram Road Ahmedabad 380009

DELHI 19/90 Connaught Circus (Madras Hotel Block), New Delhi - 110 001. Phone : 011 - 2334 3897 / 2374 2136 / 2374 3772 Fax : 011 - 2374 6689 Email : [email protected]

CHENNAI No. 22, Wheat Croft Road, Nungambakkam, Chennai - 600 034. Phone : 044 - 2822 6012 / 2822 6013 Fax : 044 - 2822 6014 Email : [email protected]

NE

WHYDERABAD

Borosil Glass Works Limited Door No.6-3-1186 / A / 6 / 4, Green Lands, Begumpet Hyderabad - 500 016

KOLKATA Dabriwala House, 4th Floor, 10 Middleton Row, Kolkata - 700 071. Phone : 033 - 2229 9166 / 2249 5574 Fax : 033 - 2226 2045 Email : [email protected]

INTERNATIONAL DIVISION 410, Kaliandas Udyog Bhavan, Near Century Bazar, Prabhadevi, Mumbai - 400 025. Phone : 0091 - 22 - 6740 6420 / 413 - 418 Fax : 0091 - 22 - 2430 9539 Email : [email protected]


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6

an ISO 9001 certified company 11

The Borosil Group comprises two independent companies Borosil Glass Works Ltd and Gujarat Borosil Ltd. Borosil Glass Works Ltd. (BGWL) was established in December 1962 in collaboration with Corning Glass Works USA to manufacture borosilicate low expansion glass. In December 1988, Corning divested its share holding to the current Indian promoters, who have been a leading manufacturer of sheet glass in India since 1961.

Corporate Profile

Borosil is the market leader for laboratory glassware andmicrowavable kitchenware in India. Our Scientific and Industrial Products (SIP) division sells laboratory glassware, instruments, disposable plastics, liquid handling systems and explosion proof lighting glassware through its network of 150 dealers spread across the length and breadth of the country. The Borosil brand represents quality, accuracy and dependability, and all leading pharamaceutial companies, R&D labs scientific, health and educational institutions have been loyal customers of Borosil for the last 48 years. Our glass has found use in over 2000 different products and applications, in areas as diverse as Microbiology, Biotechnology, Photo Printing, Process Systems and Lighting. Our Consumer Products division sells microwavable and flameproof kitchenware, glass tumblers, lantern chimneys and solar thermal systems through over 5000 retails outlets across the length and breadth of the country. Our products are synonymous with elegance, dependability, safety and ease of use. In the kitchenware segment in India, Borosil is a generic term for microwavable glassware. In fact, our glass tumblers are used by the Indian army in Siachen, as they are the only glasses that will not crack when our jawans have their steaming hot cup of chai in the -60C weather! Gujarat Borosil Ltd (GBL) established production of sheet glass using the updraw Pittsburg process in 1994. Gujarat Borosils 230 ton per day sheet glass furnace has the ability to manufacture glass ranging from 3 mm to 12 mm thickness, and its sheet glass is used nationwide for a variety of architectural applications. Gujarat Borosil has recently established a 150 ton per day low iron patterned glass furnance for the manufacture of high transmission glass used in the solar industry. The manufacturing unit comprises top of the line European equipment. Customers of this product include leading solar module manufacturing companies worldwide. This plant is the first and only of its kind in India, and has been developed specifically for the fast growing solar industry.


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ContentsDescriptionCat No. Page No.15 16/17 18 19 21 22

Wash Bottle, Plastic Gas Washing With i/c Stopper Stopper For Gas Washing Bottles Bottles Only For Gas Washing Bottles Tubes, Gas Sampling Impinger

166P 1760 1761 1762 1764 1765

34 34 35 35 35 35

Foreword New Introduction Technical Data Care & Maintenance Cleaning Specific Types Of Glassware Chemical And Physical Properties Of Low Density Polyethylene

BurettesPinchock Boroflo, Class A Boroflo, Class B Straight Bore Stopcock, Class A Straight Bore Stopcock, Class B Double Oblique Bore Stopcock, Class A Double Oblique Bore Stopcock, Class B Double Oblique Bore, Boroflo Stopcock, Class A Double Oblique Bore, Boroflo Stopcock, Class B Straight Bore PTFE Stopcock Class A Straight Bore, PTFE Stopcock, Class B Automatic Zero, Double Oblique Bore Boroflo s/c Class A Automatic Zero, Double Oblique Bore Boroflo s/c Class B Automatic Zero, Double Oblique Bore Glass s/c Class A Automatic Zero, Double Oblique Bore Glass s/c Class B Automatic Zero, Mounted On Reservoir, Glass s/c Class A Automatic Zero, Mounted On Reservoir, Glass s/c, Class B Automatic Zero, Mounted On Reservoir, PTFE s/c, Class A Automatic Zero, Mounted On Reservoir PTFE s/c, Class B Automatic Zero, Mounted On Reservoir, Boroflo s/c, Class A Automatic Zero, Mounted On Reservoir, Boroflo s/c, Class B 2118 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2145 2146 2147 2148 2149 2150 2153 2154 2155 2156 36 36 37 37 38 38 39 39 40 40 40 41 41 41 42 42 43 43 43 44 44

BeakersLow Form, With Spout Tall Form, Without Spout Tall Form, With Spout Conical, With Spout 1000 1040 1060 1080 23 24 24 24

BottlesAspirator, Outlet For Tubing Aspirator, Outlet For Stopper Aspirator With i/c Stopper B.O.D. With i/c Interchangeable Stopper Culture, Roux, Offset Neck Milk Dilution, Plain With Screw Cap Mc Cartney Milk Dilution, Graduated With Screw Cap Reagent, Narrow Mouth, With i/c Flat Head Stopper Reagent, Wide Mouth, With Screw Cap Reagent, Narrow Mouth, With i/c Flat Head Stopper Amber Reagent, Wide Mouth With Screw Cap Solution, Plain Tooled Neck Solution, Amber, Tooled Neck Relative Density, Capillary Bore, i/c Teflon Stopper, Certified Relative Density, Capillary Bore, i/c Teflon Stopper, Weighing, With i/c Stopper Wash, With i/c Stopper Stoppers Only For Wash Bottles Bottles Only For Wash Bottles 1220 1240 1245 1250 1290 1367 136N 1370 1500 1501 1509 1519 1585 1589 1624 1625 1630 1660 1661 1662 25 25 26 26 26 27 27 27 28 29 30 30 31 31 32 32 33 33 33 34

ConesSediment, Imhoff, Sharp Tip Sediment, Imhoff, Blunt Tip 2160 2180 45 45

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an ISO 9001 certified company 11

CondensersLiebig Liebig With i/c Joints Allihn With i/c Joints Graham Coiled Distillate Type, With i/c Joints Friedrich With i/c Joints 2340 2400 2480 2560 2640 45 46 46 46 46

Mono Quartz Distillation unit with Quartz Boiler and Quartz Condenser All Quartz Double Distillation unit, Demountable Bolier Panel Series Electronic Relay Unit Water Softener Aqua Therm Heat Exchanger Spares For Distillation Units

3364 3365 3366 3367 3368

58 59 60 61 61 62

Cylinders Distilling ApparatusColour Comparison, Nessler Graduated With i/c Stopper, Class A Graduated With i/c Stopper, Class B Graduated With Pour Out, Class A Graduated With Pour Out, Class B Graduated With Pour Out Schellbach Type Graduated With Pour Out, With Plastic Hex Base Rain Measure, Graduated 2975 2981 2982 3021 3022 3024 3025 3070 48 48 49 49 50 50 51 51 With Friedrichs Condenser i/c joint With Friedrichs Condenser i/c joint (compact) Dean And Stark 3380 3440 3602 63 63 63

Extraction ApparatusSoxhlet Extractor Condenser, Allihn For Soxhlet Apparatus Extraction Apparatus, complete Allihn Condenser with i/c joint 3740 3741 3840 64 64 64

DesiccatorsWith Cover Plastic Knob Vacuum, Stopcock With PTFE Spindle 3082 3083 52 52

DishesCrystallizing Culture, Petri Culture Petri S-line Trays, Drying Evaporating 3140 3160 3165 3170 3180 53 53 54 54 54

FlasksBoiling, Flat Bottom Boiling Flat Bottom With i/c Joint Boiling Round Bottom Boiling, Pear Shaped With i/c Joint Reaction, Wide Mouth, Flat Flange Lids For Reaction Flask Boiling Round Bottom Short Neck With i/c Joint Round Bottom Two Neck, Center Neck, And One Angled Side Neck With i/c Joint Round Bottom Two Neck, Center Neck, And One Parallel Neck With i/c Joint Round Bottom Three Necks, Center Neck And Two Angled Side Neck With i/c Joint Round Bottom Three Necks, Center Neck And Two Parallel Side Neck With i/c Joint Culture, Haffkine Distilling, With Side Arm Erlenmeyer, Conical, Narrow Mouth Erlenmeyer, Conical, Long Neck, Without Rim Conical Without Rim Erlenmeyer, Conical, Amber 4060 4100 4260 4315 4330 4331 4380 4381 4382 4383 4384 4422 4620 4980 4981 4982 4989 66 67 67 67 68 68 68 69 69 70 70 71 71 72 72 72 73

Distilling ApparatusAmmonia With Graham Condenser i/c joints With Graham Condenser i/c joints and i/c stopper 3340 3360 55 55

Water DistillationAll Glass, Single Distillation unit All Glass, Double Distillation unit Mono Quartz Distillation unit with Quartz Boiler and Borosilicate Condenser 3361 3362 3363 56 57 58


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Erlenmeyer, Conical, Narrow Mouth With i/cJoint Erlenmeyer, Conical, Narrow Mouth With i/c Stopper Conical With Screw Cap Erlenmeyer, Conical, Wide Mouth Filtering, Bolt Neck With Tubulation All glass filter holder Glass filter holder with silicon stopper Glass holder with silicon stopper Iodine Determination With i/c Stopper Kjeldahl, Round Bottom Kjeldahl, With i/c Joint

5000 5020 5021 5100 5340 5350 5360 5370 5400 5420 5430

73 73 74 74 74 75 75 75 76 76 76

Ground JointsCone only, Interchangeable Socket only, Interchangeable 6560 6580 87 87

JarsRectangular, Museum With Cover Cylindrical, Museum, Drop-on Cover, With Knob 6910 6915 88 88

Volumetric FlasksPetroleum Jars Volumetric With i/c Stopper, Class A Volumetric With i/c Stopper, Class B Volumetric With i/c LDPE Stopper, Class B Volumetric With i/c LDPE Stopper, USP Class A Volumetric With i/c LDPE Stopper Class A Volumetric With i/c Stopper, Amber, Class A Volumetric With i/c Stopper, Amber, Class B Volumetric, Sugar Estimation Without Stopper 5639 5640 5641 5642 5645 5646 5648 5649 5650 77 77 78 78 79 80 80 81 81

KettlesResin Reaction Bottoms Only For Kettles No. 6947 Covers Only For Kettles No. 6947 6947 6948 6949 89 89 89

Chromatography ColumnsPipettesPlain With Glass Stopcock Plain With Boroflo Stopcock Plain With PTFE Stopcock Plain With Sintered Dise And Glass Stopcock Plain With Sintered Dise And Boroflo Stopcock Plain With Sintered Dise And PTFE Stopcock 6100 6110 6120 6101 6111 6121 82 82 82 83 83 83 Artificial Insermination Drum Sampling Bacteriological Graduated Milk Gerber Tests Measuring (Mohr Type) Class A Measuring (Mohr Type) Class B Measuring (Mohr Type) Class B White Marking Serological, Class A Serological, Class B Serological, Class B White Marking Serological, Kahn Transfer, Volumetric, Class A Transfer, Volumetric, Class B Ostwald - Folin 7040 7041 7056 7057 7059 7060 7062 7079 7080 7082 7090 7100 7102 7105 91 91 92 92 92 93 93 94 94 95 95 96 96 97

FunnelsPlain, 60o Angle, Long Stem Powder Separating, Globe Shape Separating, Pear Shape Separating, Pear Shape Boroflo s/c, i/c Glass Stopper Separating, Pear Shape PTFE s/c I/c Glass Stopper 6140 6220 6340 6400 6402 6403 84 84 84 85 85 85

Gas GeneratorKipps 6550 86

Weighing Scoop

7200

97

10


StopcocksStraight Bore With Solid Stopper Plug High Vacuum, Straight Bore, Solid Stopper Plug High Vacuum, Double Oblique Bore, Solid Stopper Plug High Vacuum, Oblique Bore, Vacuum Cap Hollow Stopper Plug Stoppers Hollow, i/c Joint 7280 7510 7520 7544 7570 97 97 98 98 98

Sintered WareTechnical Data 104 Cleaning Of Sintered Ware 105-106 Crucibles, Gooch Type With Sintered 32060 107 Tubes, Filter For Gooch Crucibles 32061 107 Funnels, Buchner Type With Sintered Disc 36060 108 Tubes, Sealed, Reduced Ends (Pipeline Filter), With Sintered Disc 39580 109

TubesBlood Sugar, Folin-wu Digestion, Folin-wu Centrifuge, Conical Bottom, Plain Centrifuge Conical Bottom, Graduated Centrifuge, Conical Graduated i/c Stopper Centrifuge, Short Conical Bottom, Heavy Duty Plain Centrifuge, Short Conical Bottom, Heavy Duty Graduated 7840 7920 8060 8080 8084 8320 8340 99 99 99 99 100 100 100

Quartz WareBeakers, Low Form, With Spout Muffle Trays Dishes / Basins, Round With Spout Combustion, Boat With Handle Crucible, Without Lid Lids For Crucible Volatile Matter Crucible Silica, Triangle On Nichrome (Translucent) Volumetric Flasks Leco Tube 1002 3175 3185 3186 3190 3191 3198 5644 8500 110 110 111 111 111 111 112 112 112 112

AdapterAdapter, Enlarging With i/c Joints Adapter, Reducing With i/c Joints 8800 8820 101 101

Filtration AssemblyAll glass filter holder - 47 mm Glass filter holder with silicon stopper 5350 5360 / 5370 113 114

Test Tubes And Culture TubesTest With Rim 9800 Test Without Rim 9820 Test Tubes, Graduated, With i/c Stopper 9830 Culture, Media, Round Bottom, With Screw Cap9900 Culture Media, Flat Bottom, With Screw Cap 9910 102 102 103 103 103

Liquid Handling SystemsFixed Volume Micropipettes Single Channel Semi Autoclavable Fixed Volume Micropipettes Single Channel Fully Autoclavable 7001 116

7011

116

Variable Volume Micropipettes Single Channel Semi Autoclavable 7002 Variable Volume Micropipettes Single Channel Fully Autoclavable 7012

117

117

Watch GlassesWatch Glasses S-line 9986 104

Fixed Volume Miniature Micropipettes Single Channel

7000

118


11

Variable Volume Electronic Micropipettes Single Channel Variable Volume Micropipettes Multichannel 8 Channel-Non Autoclavable Variable Volume Micropipettes Multichannel 8 Channel-Fully Autoclavable Variable Volume Micropipettes Multichannel 12 Channel-Non Autoclavable Variable Volume Micropipettes Multichannel 12 Channel-Fully Autoclavable Stands For Micropipettes Electronic Pipette Filling Devices Dispensers Bottle Top Classic ModelFully Autoclavable Dispensers Bottle Top Research ModelFully Autoclavable

7022

118

7003

119

7013

119

7004

120

7014 7009 7005

120 121 121

2001

122

2011

122

Tissue culture plasticwareTissue culture flasks with vented Orcap Tissue culture flasks with filter Orcap OrPetri dish- Tissue culture dishes OrPlate- Tissue culture test plates OrScrapers - Cell scrapers, Swivelling OrPipette - Serological Pipettes Centrifuge Tubes PCR-Tubes Flat cap PCR-Tubes Domed cap 5510 5520 5550 5530 2060 PNEI 5540 2504 2514 124 124 125 125 126 126 127 128 128

Authorised DealersWestern Region Northern Region Southern Region Central Zone Eastern Region 129-132 132-135 135-138 138-139 139-142

Caution Notice

143

General Conversion Table

144

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13

Notes

11

Forewordorosil Glass Works Limited have pleasure in presenting you this Scientific & Laboratory Glassware Price-List. Unless specific arrangements have been to the contrary, the prices contained in this Pricelist are effective on all goods despatched on or after April 01, 2010. These supersede all previous prices; all prices stated herein are the recommended maximum price per piece in Rupees and are exclusive of Value Added Tax or Local Sales Tax, Central Sales Tax, any delivery charges, octroi and other statutory and nonstatutory levies. The dealers are at liberty to charge prices lower than that stipulated here.

SPECIAL OR NON-STANDARD GLASSWAREThe manufacture of special glassware may be undertaken to agreed specifications. Enquiries should be sent to us at the address below and should include full details of specifications and drawings where possible. We shall be pleased to assist customers in formulating specifications within normal working tolerances. Generally, only orders with a minimum exworks value of Rs. 10,000/- are accepted.

B

CONDITIONS OF SALEIt is our policy to market our Laboratory Glassware through accredited Authorised Dealers who are best able to satisfy the individual requirements of users in all parts of the country. We have a wide network of authorised dealers strategically located throughout the country. Goods supplied will normally be in accordance with illustrations and descriptions, although the right is reserved to make alterations and modifications as circumstances and/or changes in official specifications dictate, or as a result of design improvements. Although the goods are guaranteed for glass quality and workmanship, Borosil shall not be liable for any loss or damage or injury, directly or indirectly, arising out of the use of our products.

Borosil Glass Works Ltd. Khanna Construction House, 44, Dr. R.G.Thadani Marg Worli, Mumbai - 400 018 Ph. : 022 - 6740 6300 Fax : 022- 2495 0561 Email : [email protected]


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New Introductions

Introduces...All Glass Filter Holder - 47mmAll glass filter holder - 47mmHPLC, as an analytical tool for detection and separation of chemical compounds, has become the most important laboratory technique over the last decade. As with all analytical techniques, minor processing problems sometimes appear which in the long run can have major impact on the accuracy of the system as well as its durability. Filtration of solvents prior to analysis is recommended by most instrument manufacturers. Particulate matter in solvents can cause damage to expensive pumps, clog analytical columns, and in general cause wear and tear to the instruments. Particulate matter and dissolved gasses in solvents can also create spurious peaks or can result in baseline instability. HPLC grade solvents, even though filtered prior to shipment by the manufacturer, can accumulate particles during storage due to shedding from the solvent containers and solvent condensation. The use of salts and buffers can also significantly contribute to particles in the mobile phase. Filtration solvents reduces instrument down-time, prolongs the life of the analytical columns, pumps and valves and most importantly helps the instrument perform in optimal fashion.

Glass filter holder, 47 mm with Silicon stopperBorosil has come out with all glass 47 mm filter flask assembly for particulate and biological contamination analysis. Liquids come in contact only with Borosilicate glass. Base design has integral vacuum connection located above filtrate drip to prevent contamination of vacuum line with droplets.

Please refer page No. 113 - 114

Unit consist of a funnel, coarse porosity glass filter support base with integral vacuum connection and flask with inner joint. An Aluminum clamp connects funnel and support base, joints are 40/38.

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New Introductions

Introduces...Tissue Culture Plastic Ware

FROM

Please refer page No. 123 - 128an ISO 9001 certified company 17

Technical DataLow Expansion Borosilicate GlassFrom the 16th Century to today, chemical research teams have used glass containers for a very basic reason : the glass container is transparent, almost invisible. And so the contents and the reaction are clearly visible. But because chemists must heat, cool and mix chemical substances, ordinary glass is not always adequate for laboratory work. Laboratory work requires apparatus made in a glass which can readily be moulded into any desired shape or form, which offers maximum inertness when in contact with the widest range of chemical substances, which can withstand thermal shock without fracture and high temperature work without deforming, and which will be resilient enough to survive the everyday knocks to which it will be subjected in normal laboratory handling, washing and sterilizing processes. is the trade name of such a glass. Items represent optimum mechanical, thermal and chemical behaviour. This glass is used in laboratories as well as for industrial applications where maximum thermal resistance, thermal shock resistance, mechanical resistance as well as unusual chemical resistance are required. All labware is annealed in modern Lehr ovens under strictly controlled conditions to ensure minimal residual stress in the products. The typical thermal properties of below : Coefficient of Linear Expansion Strain Point Annealing Point Softening Point Specific Heat Thermal Conductivity (Cal / cm3 / 0C / sec) glassware are given 32.5 x10-7/0C 5150C 5650C 8200C 0.2 0.0027

Chemical Durabilityis highly resistant to water, neutral and acid solutions, concentrated acids and their mixtures as well as to chlorine, bromine, iodine and organic matters. Even during extended period of reaction and at temperatures above 1000C, its chemical resistance exceeds that of most metals and other materials. It can withstand repeated dry and wet sterilization without surface deterioration and subsequent contamination. Resistance to attack of various chemicals is shown below. Only hydrofluoric acid, very hot phosphoric acid and alkaline solutions increasingly attack the glass surface with rising concentration and temperature. Contact chemical Duration In Hr 6 1 6 12 6 2 2 Loss in Wt mg / m2 10 75 100 140 4000 70 50

Chemical Compositionglass is a low alkali borosilicate Type 3.3 glass. Its typical chemical composition is given below. It is virtually free of magnesia-lime-Zinc group and is completely free of arsenic and other heavy material. SiO2 B2O3 Na2O / K2O Al2O3 Approx % by weight 81 13 4 2 Water distilled at 1000C Water Vapour Steam at 1210C Acid HCI 80% H2SO4 at 1300C Alkali-1N soln. of Na2CO3 boiling Infusion Fluids Isotonic NaCI (0.85%) 1210C Glucose (5%) 1210C

Fabricating With Thermal PropertiesAs the Coefficient of thermal expansion of glass is low, the thermal stresses under a given temperature gradient are consequently low and the glass can withstand higher temperature gradients and also sudden temperature changes / thermal shocks. Minute scratching of glass surface can however reduce its thermal resistance. In general Strain Point should be regarded as the maximum safe operating temperature of glassware. When heated above 5000C the glass may acquire permanent stresses on cooling.120 18

Glass

Due to low expansion of glass and easy workability, this glass can be shaped, formed, joined into complicated apparatus. It can be done even by an analyst in his own laboratory and keep on changing till he gets what he needs. In case where annealing in a controlled oven is difficult he can do so by flame annealing which is also a great advantage.

Optical PropertiesLaboratory glassware made from g l a s s s h ow n o noticeable absorption in the visible region of the spectrum. It appears consequently clear and colourless.an ISO 9001 certified company

Care And MaintenanceSafe Use Of GlasswareWhen treated with proper care laboratory apparatus will give long and satisfactory service. The following notes have been prepared to assist users in obtaining the maximum life and performance from their apparatus. Our Sales Department will be happy to advice on any aspect concerning the safe use of our products. Thick walled glassware should not be subjected to direct v flame or other localised heat source. Vessels of this type are best heated with the use of an electric immersion heater. Avoid heating glassware over electric heaters with open v elements. Uneven heat of this type can induce localised stress and increase the chances of breakage. Remember v that a hot plate will retain heat long after the appliance has been switched off. Always ensure that the surface of the hot plate is larger in v area than the base of the vessel being heated. An undersized plate for the job in hand will invite uneven heating and promote breakage of glassware. Always ensure that manufacturers instructions are followed v when using electrical heat sources.

Heating And CoolingGlass may suffer damage in three ways. v under thermal stress in the steady state, that It may break is when a constant thermal gradient is established through the glass. v It may break under the transient stress of a thermal shock, that is sudden heating or cooling. v heated beyond certain temperature, acquire a It may, if permanent stress which on cooling could cause subsequent failure. The following precautions will assist in avoiding failures during heating and cooling procedures. v Never leave vessel unattended when evaporation work is being carried out. The vessel may crack or explode as dryness condition approaches and if the heat source is not adjusted correctly. Lower the temperature gradually as the liquid level drops. v caution when removing glassware from a heat Always use source and avoid placing on a cold or damp surface. v the ware can withstand extreme temperatures, Although sudden temperature changes may cause the vessel to break. v vessels slowly to prevent thermal breakage. Always cool v Never apply heat to badly scratched or etched vessel as the thermal strength would have been greatly reduced. v Never apply point source heating to a vessel as this will greatly increase the chance of breakage. v Always diffuse the heat source by using a metal gauze or air/water bath. Alternatively ensure even heating of the vessel by slow movement of the vessel in relation to the heat source. v Adjust bunsen burner to get a large soft flame. It will heat slowly but also more uniformly. Uniform heat is critical factor for some chemical reactions. v the flame contacts the vessel below the liquid Ensure that level. Heating above that level will invite breakage of the vessels. v anti-bumping devices in the vessel, such as Always use powdered pumice or glass wool when rapid heating of the vessel and contents is required. v material with sharp edges such as broken Never use porcelain as an antibumping device. This will cause internal abrasions and reduce the mechanical and thermal strength of the vessel.an ISO 9001 certified company

Mixing And StirringAlways use a policeman or similar device on stirring rods v to prevent scratching of the inside of a vessel. When using a glass vessel with a magnetic stirrer always v use a covered follower to prevent abrasion of the inside of the vessel. When using glass or metal mechanical stirrer in a glass v vessel always predetermine the height of the stirrer before use to ensure there is no contact between the stirrer blade and the bottom or sides of the vessel. Never mix sulphuric acid and water inside a glass v measuring cylinder. The heat of reaction can break the base of the cylinder.

Vacuum And PresureNever use v a glassware beyond the recommended safe limit. Always use v a safety screen when working with glassware subjected to pressure or vacuum. Never subject glassware to sudden pressure changes. v Always apply and release positive and negative pressures gradually.

19 1

Joining And Separating Glass ApparatusWhen storing glass stopcocks and joints, insert a thin strip v of paper between joint surfaces to prevent sticking. Never store v stopcocks for long periods with lubricants still on the ground surfaces. Glass stopcocks on Burettes and Separating Funnels v should be lubricated frequently to prevent sticking. If a ground joint sticks, separations can generally be v achieved by carefully rocking the cone in the socket, or gentle tapping the socket flange on a wooden surface, or by heating the socket and not the cone in a localised flame. The use of penetrating oil will often prove useful in aiding separation. In using lubricants it is advisable to apply a light coat of v grease completely around the upper part of the joint. Use only a small amount and avoid greasing that part of the joint which contacts the inner part of the apparatus. Three types v of lubricants are commonly used on standard taper joints. (a) Hydrocarbon grease is the most widely used. It can be easily removed by most laboratory solvents, including acetone. (b) Because hydrocarbon grease is so easily removable, silicon grease is often preferred for higher temperature or high vacuum applications. It can be removed readily with chloroform. (c) For long term reflux or extraction reactions, a water soluble, organic and insoluble grease, such as glycerin, is suitable. Water will clean glycerin. There are other types of greases which can be used specifically when certain reagents are used in the Burettes or Separating Funnels. Details of these can be available from our nearest Regional Sales Offices. The use of v water, oil or glycerol is recommended on both tubing and rubber bung when inserting glass tubing into a bung. Always wear heavy protective gloves or similar protection when carrying out this operation. Always fire polish rough ends of glass tubing before v attempting to insert into flexible tubing. The lubricants recommended above may also prove useful. Never attempt to pull a thermometer out of a rubber bung, v always cut the bung away.

Personal SafetyUse tongs v or asbestos gloves to remove all glassware from heat. Hot glass can cause severe burns. Protective v gloves, safety shoes, aprons, and goggles should be worn as safety against chemical accidents, spilling or splattering. Always flush the outside of Acid bottle with water before v opening. Do not put the stopper on the counter top where someone else may come in contact with acid residue. Special care is needed when dealing with mercury. Even v a small amount of mercury in the bottom of a drawer can poison the room atmosphere. Mercury toxicity is cumulative and the elements ability to amalgamate with a number of metals is well known. After an accident involving mercury, the area should be gone over carefully until there are no globules remaining. All mercury containers should be kept well stoppered. Never drink v from a beaker. A beaker left specifically for drinking is a menace to the laboratory. Do not taste chemicals for identification. Smell chemicals only when necessary and only by wafting a small amount of vapour towards the nose. Avoid pipeting by mouth, particularly when using v concentrated acids, alkalis or potentially biohazardous materials. Use mechanical means such as a rubber bulb or a automatic dispenser. Never fill v receptacle with material other than that called for by the label. Label all containers before filling. Throw away contents of unlabelled containers. To avoid breakage when clamping glassware, do not permit v glass-to-metal contact, and do no use excessive force to tighten the clamps. Do not look v down into a test tube being heated or containing chemicals, and do not point its open end at another person. A reaction might cause the contents to be ejected, resulting in injury. Splattering v from acids, caustic materials and strong oxidizing solutions on the skin or clothing should be washed off immediately with large quantities of water. When working with chlorine, hydrogen sulphide, carbon v monoxide, hydrogen cyanide and other very toxic substances, always use a protective mask or perform these experiments under a fume hood in a well ventilated area. In working v with volatile materials, remember that heat causes expansion and confinement of expansion results in explosion. Remember also that danger exists even though external heat is not applied. Perchloric v acid is especially dangerous because it explodes on contact with organic materials. Do not use perchloric acid around wooden benches or tables. Keep perchloric acid bottles on glass or ceramic trays having v enough volume to hold all the acid in case the bottle breaks. When using perchloric acid, always wear protective clothing. When using hot plates and other electrical equipments, v ensure the wire and plugs are in good condition. Never handle electrical connection with damp hands.

20


CleaningSuccessful experimental results can only be achieved by using a clean apparatus. In all instances laboratory glassware must be physically clean, in nearly all cases it must be chemically clean and in specific cases it must be bacteriologically clean or sterile. There must be no trace of grease and the safest criteria of cleanliness is the uniform wetting of the glass surface by distilled water_this being of the utmost importance for glassware used for volumetric methods. Any prevention of uniform wetting of the surface will introduce errors such as distortion of the miniscus and accuracy of volume.

v Always Protect clean glassware from dust by use of temporaryclosures or by placing in a dustfree cabinet. For Cleaning Specific types of glassware, please refer below.

Cleaning Specific Types Of GlasswarePipettesv Place pipettes tips down, in a cylinder or tall jar of water immediately after use. Do not drop them into the jar, since this may break or chip the tips and render the pipettes useless for accurate measurements. A pad of cotton or glass wool at the bottom of the jar will help to prevent breaking of the tips. Be certain that the water level is high enough to immerse the greater portion or all of each pipette. At a convenient time, the pipettes may then be drained and placed in a cylinder or jar of dissolved detergent or, if exceptionally dirty, in a jar of chromic acid cleaning solution. After soaking for several hours, or overnight, drain the pipettes and run tap water over and through them until all traces of dirt are removed. Soak the pipettes in distilled water for at least one hour. Remove from the distilled water, dry the outside with a cloth, shake out the water and dry. In laboratories where a large number of pipettes are used v daily, it is convenient to use an automatic pipette washer. Polyethylene baskets and jars may be used for soaking and rinsing pipettes in chromic acid cleaning solution. Electrically heated metallic pipette driers are also available. After drying, place pipettes in a dust-free drawer. Wrap v serological and bacteriological pipettes in paper or place in pipette cans and sterilize in the dry air sterilizer at 1600C for two hours. Pipette used for transferring infectious material should have a plug of cotton placed in the mouth end of the pipette before sterilising.

General CleaningCleaning v of glassware which has contained hazardous materials must be solely undertaken by experienced personnel. Most new v glassware is slightly alkaline in reaction. For precision chemical tests, new glassware should be soaked several hours in acid water (1%solution hydrochloric acid or nitric acid) before washing Glassware v which is contaminated with blood clots, culture media, etc. must be sterilized before cleaning. If glassware v becomes unduly clouded or dirty or contains coagulated organic matter, it must be cleaned with chromic acid cleaning solution. The dichromates, should be handled with extreme care because it is a powerful corrosive. Wash glassware as quickly as possible after use but if delays v are unavoidable, the articles should be allowed to soak in water. Grease is v removed by weak sodium carbonate solution or acetone or fat solvents. Never use strong alkalis. Hot water v with recommended detergents should be used and if glass is exceptionally dirty, a cleaning powder with a mild abrasive action can be applied provided the surface is not scratched. During the v washing, all parts of the article should be thoroughly scrubbed with a brush selected for the shape and size of the glassware. Brushes should always be in good condition to avoid any abrasion of the glassware. When chromic acid solution is used, the item may be rinsed v with the cleaning solution or it may be filled and allowed to stand-the amount of time depending on amount of contamination on the glassware. Special types of precipitate material may require removal with v nitric acid, aqua regia or fuming sulphuric acid. These are very corrosive substances and should be used only when required. It is imperative that all soap detergents and other cleaning v fluids be removed from glassware before use. This is especially important with the detergents, slight traces of which will interfere with serologic and culture reactions. After cleaning, throughly rinse with tap water ensuring that containers are partly filled with water, shaken and emptied several times. Finally rinse with deionised or distilled water. Drying can v be undertaken either in baskets or on pegs in air or at a temperature not exceeding 1200C.

BURETTES (with glass stopcock)Remove vstopcock key and wash the burette with detergent and water. Rinse with v tap water until all the dirt is removed. Then rinse with distilled water and dry. Wash the v stopcock key separately. Before the stopcock key is replaced in the burette, lubricate the joint with a small amount of lubricant. Remember that burette stopcock keys are not interchangeable. Always cover burettes when not in use. v


21

Culture Tubesv Culture tubes which have been used previously must be sterilized before cleaning. The best general method for sterilising culture tubes is by autoclaving for 30 minutes at 1210C (15 lb pressure). Media which solidify on cooling should be poured out while the tubes are hot. After the tubes are emptied, brush with detergent and water, rinse throughly with tap water, rinse with distilled water, place in a basket and dry. If tubes are v to be filled with a medium which is sterilized by autoclaving, do not plug until the medium is added. Both medium and tubes are thus sterilized with one autoclaving. If the tubes v are to be filled with a sterile medium or if they are to be sterilized by the fractional method sterilize the tubes in the autoclaves or dry air sterilizer before adding the medium.

Chemical & Physical Properties Of Low Density PolyethyleneChemical ResistanceAt normal temperatures, excellent resistance to all Acids (except for strong oxidising acids), Alcohols, Alkalis. Good resistence to Aldehydes, Esters, Ketones. Fair resistance to Hydrocarbons both Aliphatic and Aromatic, strong oxidising Agents. Not recommended for use with Halogenated Hydrocarbons. Details can be submited for any specific reagent.

Chemical Resistance Classification Serological TubesSerological v Tubes should be chemically clean but need not be sterile. However, specimens of blood which are to be kept for some time at room temperature should be collected in a sterile container. It may be expedient to sterilize all tubes as routine. To clean and sterilize tubes containing blood, discard the v clots in a waste container and place the tubes in a large basket. Put the basket with others, in a large bucket or boiler. Cover with water, add a fair quantity of soft soap or detergent and boil for 30 minutes. Rinse the tubes and clean with brush, rinse and dry with the ususal precautions. It is imperative when washing serological glassware that all v acid, alkali and detergent be completely removed. Both acid and alkali in small amounts destroy complement and in larger amounts produce hemolysis. Detergents interfere with serologic reactions. Serological v tubes and glassware should be kept separate from all other glassware and used for nothing except serologic procedures. Excellent Good Fair : 30 days of constant exposure cause no damage. Plastic may even tolerate for years. : Little or no damage after 30 days if constant exposure to the reagent. : Some effect after 7 days of constant exposure to the reagent. Depending on the plastic, the effect may be crazing, cracking, loss of strength, or discoloration. Solvents may cause softening, swelling and permeation losses which are normally reversible, the part will usually return to its normal conditions after evaporation.

Physical PropertiesMaximum use temperature : 800C; Not recommended for autoclaving / dry heat sterilization. Gas and chemical sterilization can be done. Brittleness temperature : 1000C. Currently this material is used on Stoppers for Volumetric Flasks, bases for measuring Cylinders and Plastic Wash Bottles.

Dishes And Culture BottlesSterilize and v clean as detailed under Culture Tubes. Wrap in heavy paper or place in a petri dish can. v Sterilize in v the autoclave or dry air sterilizer.

Sintered Ware

22

brand Beakers are widely used in research, industry and education. They are ideal for heating, because of the optimum balance between thermal resistance and mechanical strength due to controlled wall thickness at sides, radius and bottom. The spouts wherever incorporated are designed to have excellent pouring characteristics.

BEAKERS

1000-Beakers, Low Form, With Spout, Double Graduated,Capacity ml Approx O.D. x Height mm 20 x 25 25 x 32 34 x 45 42 x 55 50 x 73 56 x 83 68 x 95 77 x 110 83 x 115 90 x 120 105 x 145 131 x 190 146 x 214 170 x 265 220 x 320 Quantity Per Case Maximum Price / Piece Rs. 46.00 50.00 58.00 47.000

5 10 25 50 100 150 250 400 500 600 1000 2000 3000 5000 1000025ml to 10,000ml Graduated

20 20 60 120 60 90 60 50 50 40 45 6 4 4 1

400 300 200 100

500 ml.100

50.00 56.00 57.00 91.00 94.00 95.00 192.00 352.00 966.00 1414.00 4347.00

1000

200

300


PRICES EXCLUSIVE OF TAXES

23

1040-Beakers, Tall Form, Without Spout, Double Graduated,Capacity ml Approx O.D. x Height mm 36 x 70 50 x 80 62 x 116 75 x 137 Quantity Per Case Maximum Price / Piece Rs. 79.00 80.00 81.00 126.00

500

40 50 40 20

400

500 ml.100

300

100 250

1040

200

200

300

100

500

1000

90 x 190

20

258.00

1060-Beakers, Tall Form, With Spout, Double Graduated,Capacity ml Approx O.D. x Height mm 36 x 70 50 x 80 62 x 116 75 x137 90 x190 Quantity Per Case Maximum Price / Piece Rs. 79.00 80.00 81.00 126.00 258.00

500

40 50 40 20 20

400

500 ml.100

300

100 250 500 1000

1060

200

200

300

100

1080-Beakers, Philips, Conical, With Spout,Capacity ml500 ml.

Approx O.D. x Height mm 68 x 110

Quantity Per Case

Maximum Price / Piece Rs. 446.00

1080

250

50

500

88 x 145

40

559.00

120 24



Brand Bottles are available for every use. Since the Aspirator, Reagent and Solution bottles are not used for direct heating purposes they are made mechanically stronger with heavier wall thickness and these can withstand wet or dry sterilisation. Due to excellent chemical durability of the glass, most reagents can be stored in these bottles without much effect for long durations. Plain neck Solution Bottles and Centrifuge Bottles are tooled for uniform rubber stopper fit. Roux Bottles, Milk Dilution Bottles are widely used for culture growth, and they have flat surfaces.

BOTTLES

1220-Bottle, Aspirator, With GL 45 Screwthread auotclavable Cap And Outlet For Tubing, Made Of Low Expansion Borosilicate GlassCapacity ml Approx O.D. x Height* mm 70 x 138 Neck size Quantity Per Case Maximum Price / Piece Rs. 205.00

250

GL 45

20

500

86 x 176

GL 45

20

233.00

1000 ml

1000

101 x 225

GL 45

10

432.00

1220

2000

136 x 260

GL 45

5

749.00

*Height indicated is of Bottle only

1240-Bottles, Aspirator, With GL 45 Screwthread auotclavable Cap And Outlet For Stopper, Made Of Low Expansion Borosilicate GlassCapacity ml Approx O.D. X Height* mm 101 x 225 136 x 260 186 x 330 234 x 410 Neck size Approx I.D. Outlet mm 23 28 28 28 Quantity Per Case Maximum Price / Piece Rs. 599.001000 ml

1000 2000 5000 10000

GL 45 GL 45 GL 45 GL 45

10 5 2 1

877.001240

5313.00 7705.00




25 1

1245-Bottle, Aspirator, With GL 45 Screwthread auotclavable Cap With Interchangeable Stopper Made Of Low Expansion Borosilicate Glass,

Capacity ml

Approx O.D. x Height* mm

Neck size

Approx I.D. Outlet mm

Quantity per Case

Maximum Price / Piece Rs.

1000

101 x 225

GL 45

24 / 29

10

1834.00

20001000 ml

136 x 260

GL 45

29 / 32

4

2099.00

1245

5000

186 x 330

GL 45

29 / 32

2

7439.00

10000

234 x 410

GL 45

29 / 32

1

9963.00

20000

299 x 505

GL 45

29 / 32

1

12620.00


1250-Bottles, B.O.D. With Interchangeable Stopper,Capacity ml Approx O.D. x Height* mm Quantity Per Case Maximum Price / Piece Rs.

183 300 ml.

125

55 x 120

50

331.00

3001250

70 x 150

30

397.00

*Height indicated is of Bottle only 300ml is for determination of B.O.D. in Industrial effluents, wastes and water as per method specified by the American Public Health Association and is numbered individually.

1290-Bottles, Culture, Roux, Off-Set Neck,Capacity ml Approx Height mm 255 Approx Neck I.D. mm 32 Quantity Per Case Maximum Price / Piece Rs. 1008.00

1000

20

Approx. Cross Section : 120 x 55 mm

26



1367- Bottles, Milk Dilution, Plain, With Screw Cap And Liner,Capacity ml. Approx Height mm 150 Approx Neck I.D. mm 19 Quantity Per Case Maximum Price / Piece Rs. 385.00

160

50

This bottle meets the requirements for Milk Dilution Bottles stated in the Standard methods for the Examination of Dairy Products. The screw caps and liner withstand repeated autoclaving. Approx Cross Section : 45 x 45mm

136N-Bottles, Mc Cartney, Flat With Aluminum Screw Cap & Rubber Liner, NeutralCapacity ml Approx Width x Breadth x Height mm 64 x 40 x 150 Quantity Per Case Maximum Price / Piece Rs. 117.00

210

50

1370-Bottles, Milk Dilution, Graduated, Screw Cap And Liner,Capacity ml. Approx Height mm 150 Approx Neck I.D. mm 19 Quantity Per Case Maximum Price / Piece Rs. 418.00

160

50

Similar to No. 1367 but with a graduation mark at 99 ml capacity



27

1500-Bottles, Reagent, Plain Narrow Mouth, With Interchangeable Flat Head Stopper,Capacity ml. Approx O.D. x Height* mm Size of Interchangeable Stopper Quantity Per Case Maximum Price / Piece Rs.

60

45 x 93

14 / 23

40

238.00

125

55 x 120

19 / 26

50

249.00

2501000 ml. 1500

64 x 147

19 / 26

60

267.00

500

80 x 172

24 / 29

40

301.00

1000

104 x 200

29 / 32

10

428.00

2000

129 x 265

34 / 35

10

734.00


120 28



1501-Bottles, Reagent, Wide Mouth With Screw Cap And Pouring Ring, Graduated,Capacity ml. Approx O.D. x Height* mm 36 x 70** 46 x 87** 56 x 100 70 x138 86 x 176 101 x 225 136 x 260 186 x 330 234 x 410 299 x 505 Neck Specifications Quantity Per Case Maximum Price / Piece Rs. 180.00 199.00 220.00 230.00 260.00 385.00250ml.

25 50 100 250 500 1000 2000 5000 10000 20000

GL 25 GL 32 GL 45 GL 45 GL 45 GL 45 GL 45 GL 45 GL 45 GL 45

20 20 10 10 10 10 10 2 1 1

680.00 3960.00 6490.00 11880.00

*Height indicated is of Bottle only **Without Pouring rings These Bottles are mechanically strong, chemically resistant and are provided with plastic Pouring rings for drip-free operation. All bottles starting from 100 ml have only one size of Screw Thread. Screw Caps and Pouring Rings are interchangeable and are made from PP. The bottles, Screw Caps and Pouring Rings can be sterilised.



29 1

1509-Bottles, Reagent, Amber, Narrow Mouth With Interchangeable Flat Head Stopper,Capacity ml Approx O.D. x Height* mm 45 x 93 55 x 120 64 x 147 80 x 172 104 x 200 129 x 265 Size of Interchangeable Stopper 14 / 23 19 / 26 19 / 26 24 x 29 29 / 32 34 / 35 Quantity Per Case Maximum Price / Piece

Rs.20 20 30 20 5 5 313.00 330.00 393.00 475.00 619.00 1052.00

60 1251000 ml 1509

250 500 1000 2000

*Height indicated is of Bottle only Similar in design to cat no. 1500

1519-Bottles, Reagent, Amber, Wide Mouth, With Screw Cap And Pouring Ring, Graduated,Capacity ml. Approx O.D. x Height* mm 36 x 70** 46 x 87** 56 x 100 70 x 138 86 x 176 101 x 225 136 x 260 186 x 330 234 x 410 299 x 505 Neck Specification Quantity Per Case Maximum Price / Piece Rs. 289.00 315.00 360.00 390.00 450.00 600.00 1050.00 6435.00 8580.00 13200.00

25 50 100 250200

GL 25 GL 32 GL 45 GL 45 GL 45 GL 45 GL 45 GL 45 GL 45 GL 45

20 20 10 10 10 10 10 2 1 1

500 1000 2000 5000 10000 20000

250ml

150 100 50

*Height indicated is of Bottle only **Without Pouring rings. These Bottles are mechanically strong, chemically resistant and are provided with plastic Pouring rings for dripfree operations. All bottles starting from 100ml have only one size of Screw Thread. Screw Caps and Pouring Rings are interchangeable and are made from PP. The Bottles, Screw Caps and Pouring Rings can be sterilised.

30



1585-Bottles, Solution, Plain Tooled Neck,Capacity ml Approx O.D. x Height mm Approx Neck I.D. mm Quantity Per Case Maximum Price / PieceRs.

250 500 1000 2000 3000 5000 10000 20000

64 x 147 80 x 172 104 x 200 129 x 265 158 x 260 190 x 320 215 x 410 300 x 485

18 23 28 33 44 44 54 54

20 40 10 10 4 2 1 1

201.00 214.00 367.00 638.001000 ml.

1556.00 3833.00 5500.00 9217.00

1585

Designed specially for handling and storing sterile culture media and sera, where stability of the glass is critical.

1589-Bottles, Solution, Amber, Tooled Neck,Capacity ml Approx O.D. x Height mm 64 x 147 80 x 172 104 x 200 129 x 265 Approx Neck I.D. mm 18 23 28 33 Quantity Per Case Maximum Price / Piece Rs. 387.00 426.00 632.00 1063.001000 ml. 1589

250 500 1000 2000

10 20 5 5

Similar in design to Cat No. 1585



31 1

1624-Bottles, Relative Density, With Capillary Bore Interchangeable Teflon Stopper With Certified Capacity Along With Certificate,Capacity ml Capacity Tolerance _ ml + 0.3 0.8 1.0 Max. Body Dia x Height mm 24 x 46 38 x 56 49 x 66 Size of Inter- Quantity Per changeable Case stopper 10 / 15 10 / 15 10 / 15 5 5 5 Maximum Price / Piece Rs. 667.00 788.00 828.00

10TC 27c

50 ml.

25 50

1625-Bottles, Relative Density, Accuracy As Per I.S. 5717 : 2003 With Capillary Bore Interchangeable Teflon stopper,Capacity ml Capacity Tolerance _ ml + Max. Body Dia x Height mm Size of Interchangeable stopper Quantity Maximum Per Case Price / Piece Rs.

10TC 27c

1 2 3

24 x 46 38 x 56 49 x 66

10 / 15 10 / 15 10 / 15

10 10 5

300.00 347.00 368.00

50 ml.

25 50

120 32



1630-Bottles, Weighing, With Interchangeable Stopper,Capacity ml Approx O.D. x Height mm 20 x 40 25 x 60 50 x 35 30 x 65 60 x 40 40 x 90 Quantity Per Case Maximum Price / Piece Rs. Price / PieceRs.

5 15 20** 25 40** 60*Height indicated is of Bottle only **Squat Form

30 10 20 10 20 5

188.00 210.00 431.005 ml.

249.00 607.00 387.00

1630

20 ml. 1630

1660-Bottles, Wash, Complete With Interchangeable Stopper,Capacity ml Approx Total Height mm 225 280 315 Size of Interchangeable Stopper Quantity Per Case Maximum Price / PieceRs.

250 500 1000

24 / 29 24 / 29 29 / 32

10 10 10

441.00 585.00 728.00

500 ml.

1661-Stoppers, Only For Wash Bottles Cat. No. 1660,Capacity ml 250 500 1000 Size of Interchangeable Stopper 24 / 29 24 / 29 29 / 32 Quantity Per Case 10 10 10 Maximum Price / PieceRs.

340.00 373.00 396.00



33 1

1662-Bottles, Only for Wash Bottles Cat No. 1660,Capacity ml Approx Total Height mm 135 175 205 Size of Interchangeable Stopper Quantity Per Case Maximum Price / Piece Rs. 322.00 504.00 693.00

250500 ml.

24 / 29 24 / 29 29 / 32

10 10 10

500 1000

166P-Bottles, Wash, LPDE Plastic*, Squeeze type, Screw Cap, Fitted With Stoppers And Delivery Tubes,Capacity ml Approx Diameter mm 57 Bottle Height mm 160 Quantity Per Case Maximum Price / Piece Rs. 43.00

500500 ml.

36

*For physical and chemical resistance please refer to page 22. Bottles & delivery tubes made of chemically resistant, low density polyethylene, which is flexible, tough, light weight and practically unbreakable in use. Squeezing the bottle produces a steady, controllable stream or a few drops, as desired and delivery is stopped instantly when pressure is released. Delivery tubes are mounted in polypropylene screw caps. Tips on delivery tubes are removable.

1760-Bottles, Gas Washing, Complete With Interchangeable Stoppers,Capacity ml Size of Interchangeable stopper Quantity Per Case Maximum Price / Piece

Rs.125125 ml.

29 / 32 29 / 32

10 10

714.00 770.00

250

500

29 / 32

10

927.00

34



1761-Stoppers, Only For Gas Washing Bottles Cat No. 1760,Capacity ml Quantity Per Case Maximum Price / Piece Rs. 125 250 500 10 10 10 408.00 417.00 483.00

1762 - Bottles, Only For Gas Washing Bottles Cat No. 1760,Capacity ml Approx O.D. x Height mm 125 250 500 50 x 155 60 x 185 70 x 245 10 10 10 Quantity Per Case Maximum Price / Piece Rs. 663.00 738.00 908.00125 ml.

1764-Tubes, Gas Sampling, With Stopcocks,Capacity ml Quantity Per Case Maximum Price / Piece Rs. 125 250 500 10 10 10 352.00 452.00 630.00

1765-Impingers,Capacity ml Quantity Per Case Maximum Price / Piece Rs. 210.00

35

10



35

BURETTES

When you use a burette you expect accuracy, reliability and durability. Only brand burettes offer all three even after repeated usage. A combination of the best material and workmanship goes into brand burettes. The highest quality accuratebore tubing is selected to provide uniform and accurate graduations. Each burette is individually calibrated for precision and high accuracy. All graduations are in durable white enamel. The burette stopcocks are specially ground so that they provide a leak proof operation. It is advantageous to use different types of greases depending on the reagents used to get leak proof operations. Stop-cock plugs are solid pressed and ground. These are not interchangeable. In addition to Burettes with glass stop-cocks we have burettes with straight bore PTFE stopcocks and a range of Boroflo Burettes fitted with Boroflo(GP) screw thread stop-cocks with PTFE Keys. Boroflo Burettes are fitted with Boroflo GP(General Purpose) Screw thread Stopcocks with PTFE keys offering the following operational advantages v Lubrication never required_no seizure, no contaminating greases. v flow control_invaluable on burettes Excellent v / PTFE pathway, highly resistant to chemical attack All glass v No leakage _unique Fluon / glass seal v No springs or retaining devices_ easy to dismantle and clean v surfaces_low absorption of radioactivity No ground v performance between 00C and 500C Consistent For accurate work, Class A Burettes are available.

2118-Burettes, For Pinchcock, With Tip, Accuracy As per Class B of I.S. 1997: 2008,Ex 27c

Capacity ml

Graduation Interval ml 0.05 0.1 0.1

Tolerance + ml _

Approx Total Height mm 430 470 720

Quantity Per Case

Maximum Price / Piece Rs. 290.00 324.00 347.00

10 25 50

0.05 0.1 0.1

10 10 20

A

2121-Burettes, Boroflo, Fitted With Boroflo GP (General Purpose), Screw Thread Stopcocks With PTFE Keys, Accuracy As Per Class A of I.S. 1997:2008, With Certificate,Capacity ml Graduation Interval ml 0.05 0.1 0.1 0.2 Tolerance + _ ml Quantity Per Case Maximum Price / Piece Rs. 1146.00 1183.00 1341.00 1890.00

Ex 27c

10 25 50 100

0.02 0.05 0.05 0.1

5 5 10 5

120 36



2122-Burettes, Boroflo, Fitted With Boroflo GP (General Purpose), Screw Thread Stopcocks With PTFE Keys, Accuracy As per Class B of I.S. 1997 : 2008,Capacity ml Graduation Interval ml 0.05 0.1 0.1 0.2 Tolerance +ml _ Quantity Per Case Maximum Price / Piece Rs. 394.00 378.00 415.00 602.00

Ex 27c

10 25 50 100

0.05 0.1 0.1 0.2

10 10 10 5

2123-Burettes, Straight Bore Stopcock, Accuracy As Per Class A of I.S. 1997:2008, With Certificate,Capacity ml Graduation Interval ml 0.01 Tolerance + _ ml Approx Total Height mm 440 Quantity Per Case Maximum Price / Piece Rs. 1349.00

AEx 27c

1*

0.006

5

+2* 5* 10 25 50 100

0.02 0.02 0.05 0.1 0.1 0.2

0.01 0.01 0.02 0.05 0.05 0.1

440 590 530 530 780 830

5 5 5 5 10 5

1349.00 1237.00 1237.00 1274.00 1447.00 2090.00

+ not covered in I.S. * with cup top



37 1

2124-Burettes, Straight Bore Stopcock, Accuracy As per Class B of I.S. 1997:2008,Capacity ml Graduation Interval ml 0.01 0.02 0.02 0.05 0.1 0.1 0.2 Tolerance _ ml + Approx Total Height mm 440 440 590 530 530 780 830 Quantity Per Case Maximum Price / Piece Rs. 524.00 524.00 524.00 452.00 452.00 490.00 668.00

Ex 27c

1* 2* 5* 10 25 50 100* with cup top

0.01 0.02 0.02 0.05 0.1 0.1 0.2

5 5 5 10 10 10 5

2125-Burettes, Double Oblique Bore Stopcock, 3-Way, Accuracy As Per Class A of I.S. 1997:2008, With Certificate,AEx 27c

Capacity ml

Graduation Interval ml 0.05 0.1 0.1 0.2

Tolerance + ml _

Approx Total Height mm 530 530 780 830

Quantity Per Case

Maximum Price / Piece Rs. 2127.00 2374.00 2844.00 3648.00

10 25 50 100

0.02 0.05 0.05 0.1

5 5 5 5

120 38



2126-Burettes, Double Oblique Bore Stopcock, 3-Way, Accuracy As Per Class B of I.S. 1997:2008,Capacity ml Graduation Interval ml 0.05 0.1 0.1 0.2 Tolerance + ml _ Approx Total Height mm 530 530 780 830 Quantity Per Case Maximum Price / Piece Rs. 1197.00 1197.00 1470.00 1832.00Ex 27c

10 25 50 100

0.05 0.1 0.1 0.2

5 5 5 5

2127-Burettes, Double Olique Bore Boroflo Stopcock, 3-Way, Accuracy As Per Class A of I.S. 1997:2008, With Certificate,A

Capacity ml


Tolerance + ml _

Approx Total Height mm 530 530 780 830

Quantity Per Case


Ex 27c

10 25 50 100

0.02 0.05 0.05 0.1

5 5 5 5



39 1

2128-Burettes, Doble Oblique Bore Boroflo Stopcock, 3-Way, Accuarcy As Per Class B of I.S. 1997:2008,Capacity ml Graduation Interval ml 0.05 0.1 0.1 0.2 Tolerance _ +ml Approx Total Height mm 530 530 780 830 Quantity Per Case Maximum Price / Piece Rs. 1179.00 1202.00 1468.00 1791.00

10 25 50 100

0.05 0.01 0.01 0.2

5 5 5 5

AEx 27c

2129-Burettes, Straight Bore PTFE Key Stopcock, Accuracy As Per Class A of I.S. 1997:2008, With Certificate,Capacity ml Graduation Interval ml 0.1 Tolerance _ ml + Approx Total Height mm 780 Quantity Per Case Maximum Price / Piece Rs. 1449.00

50

0.05

10

Ex 27c

2130-Burettes, Straight Bore PTFE Key Stopcock, Accuracy As Per Class B of I.S. 1997:2008,Capacity ml Graduation Interval ml 0.1 Tolerance _ ml + Approx Total Height mm 780 Quantity Per Case Maximum Price / Piece Rs. 580.00

50

0.1

10

40



2145-Burettes, Double Oblique Bore Boroflo Stopcock, 3-Way, Automatic Zero, Accuracy As per Class A of I.S.1997:2008, With Certificate,Capacity ml Graduation Interval ml 0.05 0.1 0.1 Tolerance _ ml + Approx Total Height mm 530 530 780 Quantity Per Case Maximum Price / Piece Rs. 3565.00 4025.00 4945.00AEx 27c

10 25 50

0.02 0.05 0.05

1 1 1

2146-Burettes, Double Oblique Bore Boroflo Stopcock, 3-Way, Automatic Zero, Accuracy As Per Class B of I.S.1997:2008,Capacity ml Graduation Interval ml 0.05 0.1 0.1 Tolerance _ ml + Approx Total Height mm 530 530 780 Quantity Per Case Maximum Price / Piece Rs. 2363.00 2625.00 3255.00Ex 27c

10 25 50

0.05 0.1 0.1

1 1 1

2147-Burettes, Double Oblique Bore Glass Stopcock, 3-Way, Automatic Zero, Accuracy As Per Class A of I.S. 1997:2008, With Certificate,Capacity ml Graduation Tolerance Interval _ ml + ml 0.05 0.1 0.1 0.02 0.05 0.05 Approx Total Height mm 530 530 780 Quantity Per Case Maximum Price / Piece Rs. 3715.00 4140.00 5060.00AEx 27c

10 25 50

1 1 1



41

2148-Burettes, Double Oblique Bore Glass Stopcock, 3-Way, Automatic Zero, Accuracy As Per Class B of I.S.1997:2008,Ex 27c

Capacity ml

Graduation Interval ml 0.05 0.1 0.1

Tolerance _ ml +

Approx Total Height mm 530 530 780

Quantity Per Case

Maximum Price / Piece Rs. 2457.00 2730.00 3276.00

10 25 50

0.05 0.1 0.1

1 1 1

2149-Burettes, Automatic Zero, Class A, With Reservoir, Rubber, Bellow, Glass Stopcock, With Certificate,Ex 27c

Capacity ml


Tolerance + _ ml

Quantity Per Case


10 25 502000 ml

0.02 0.05 0.05 0.1

1 1 1 1

100

Reservoir Capacity : 500 ml for 10ml size and 2000 ml for 25, 50 and 100 ml sizes.

42



2150-Burettes, Automatic Zero, Class B, With Reservoir, Rubber Bellow And Glass Stopcock,Ex 27c

Capacity ml


Tolerance + _ ml

Quantity Per Case

Maximum Price / Piece Rs. 2749.00 2715.00 2946.002000 ml

10 25 50 100

0.05 0.1 0.1 0.2

1 1 1 1

3350.00

Reservoir Capacity : 500 ml for 10 ml size and 2000 ml for 25, 50 and 100 ml sizes.

2153-Burettes, Automatic Zero, Class A, With Reservoir, Rubber Bellow, PTFE Stopcock With Certificate,AEx 27c

Capacity ml


Tolerance + ml _

Quantity Per Case

Maximum Price / Piece Rs. 4554.00 4428.00 4934.002000 ml.

10 25 50 100

0.02 0.05 0.05 0.10

1 1 1 1

5630.00


2154-Burettes, Automatic Zero, Class B, With Rubber Reservoir, Bellow, PTFE Stopcock,Ex 27c

Capacity ml


Tolerance + ml _

Quantity Per Case

Maximum Price / Piece Rs. 2923.00 2854.00 3102.002000 ml.

10 25 50 100

0.05 0.1 0.1 0.2

1 1 1 1

3524.00




43

2155-Burettes, Automatic Zero, Class A, With Reservoir, Rubber Bellow And Boroflo Stopcock With Certificate,AEx 27c

Capacity ml

Graduation Interval ml

Tolerance + ml _

Quantity Per Case


10 25 502000 ml.

0.05 0.1 0.1 0.2

0.02 0.05 0.05 0.10

1 1 1 1

4150.00 4048.00 4492.00 5124.00

100


2156-Burettes, Automatic Zero, Class B, With Reservoir, Rubber Bellow, Boroflo Stopcock,Ex 27c

Capacity ml

Graduation Interval ml

Tolerance + ml _

Quantity Per Case


10 25 502000 ml.

0.05 0.1 0.1 0.2

0.05 0.1 0.1 0.2

1 1 1 1

2692.00 2623.00 2877.00 3293.00

100


44



Brand cones are used for determination of small amounts of suspended matter in sewage by the Imhoff Sedimentation method.

CONES

2160-Cones, Imhoff, Sediment, Sharp Tip,Approx Total Height mm Approx Top Diameter mm Quantity Per Case Maximum Price / Piece Rs.

2160

454

105

1

2138.00

Graduated from 0 to 1 ml in 0.1 ml divisions, 1 to 10 ml in 0.5 ml and 10 to 40 ml in 1 ml. also marked at 1000 ml.

2180-Cones, Imhoff, Sediment, Blunt Tip,Approx Total Height mm 439 Approx Top Diameter mm 105 Quantity Per Case Maximum Price / Piece Rs. 2184.00

2180

1

Graduation similar to Cat No. 2160. The Blunt tip increases its ruggedness and cleaning ease. For use with heavy sediments where small volumes are unimportant.

Brand Condensers are offered to meet the wide usage of condensers in laboratories for distillation or reflux operations. Condensers should be chosen carefully with regard to distillation rates, reflux rates, and temperature gradients. A comprehensive range of brand condensers for you to choose from.

CONDENSERS

2340-Condensers, Liebig, With Sealed Inner Tube,Approx Jacket Length mm 200 300 400 500 Approx Overall Height mm 345 445 545 645 Quantity Per Case Maximum Price / Piece Rs. 174.00 192.00 231.00 272.00

5 5 5 5



45 1

2400-Condensers, Liebig, Drip Tip, Interchangeable Inner Joint And Interchangeable Outer Joint,Approx Jacket Length mm 200 300 400 Approx Overall Height mm 350 450 550 Interchangeable Joints Inner 19 / 26 24 / 29 24 / 29 Outer 19 / 26 24 / 29 24 / 29 5 5 5 Quantity Per Case Maximum Price / Piece Rs. 203.00 249.00 284.00

2480-Condensers, Allihn, Drip Tip, Interchangeable Inner Joint And Interchangeable Outer Joint,Approx Jacket Length mm200 300 400 600

Approx Overall Interchangeable Joints Height mm Inner Outer350 450 550 750 19 / 26 24 / 29 24 / 29 29 / 32 19 / 26 24 / 29 24 / 29 29 / 32

Quantity Per Case

Maximum Price / Piece Rs.261.00 295.00 359.00 532.00

5 5 5 5

2560-Condensers, Graham, Coiled Distillate Type, Drip Tip, Inter-changeable Inner Joint And Interchangeable Outer Joint,Approx Jacket Length mm300 400 500

Approx Overall Interchangeable Joints Quantity Height Per Case Outer Inner mm450 550 650 24 / 29 24 / 29 24 / 29 24 / 29 24 / 29 24 / 29 5 5 5

Maximum Price / Piece Rs.318.00 405.00 498.00

2640-Condensers, Friedrichs, Drip Tip, Interchangeable Inner Joint And Interchangeable Outer Joint,Approx Overall Heigh mm 350 Interchangeable Joints Inner 24 / 29 Outer 24 / 29 5 Quantity Per Case Maximum Price / Piece Rs. 1763.00

120 46



CYLINDERS

Measuring cylinders serve simultaneously to receive and measure different amounts of liquids. Made from specially drawn tubing with durable, easy to read graduations for assured accuracy. Brand Cylinders are built to last. We have built strength features into every cylinder. Heavy uniform wall tubing and strong stable hexagonal base contribute to sturdiness. Hexagonal base also prevents them from rolling off a laboratory bench. They are available in capacities from 5 ml to 2000 ml. For accurate work, Class A certified cylinders are available. Cat No. 3025 provides cylinders with plastic bases, which are quite economical. Our range also includes Nessler Colour Comparison and Rain Measure Cylinders.

2975-Cylinders, Colour Comparison, Nessler, Flat Bottom, Graduated, As Per I.S. 4161:1967,27c 50 ml

Capacity ml

Approx O.D. X Height mm 26 x 150 34 x 180

Quantity Per Case

Maximum Price / Piece Rs. 121.00 177.00

50 100

20 30

100 ml Cylinder is marked at 50 ml and 100 ml

2981-Cylinders, Graduated, Single Metric Scale, With Penny Head Interchangeable Stopper With Hexagonal Base, Class A, With Certificate,Capacity Graduation Tolerance ml Interval + ml _ ml 5 10IN 27c50 ml.

Stopper Size

Approx Height mm 130 160 186 206 285 370 430 500 620

Quantity Per Case

Maximum Price / Piece Rs. 494.00 555.00 636.00 728.00 855.00 1340.00 1716.00 2103.00 3350.00

0.1 0.2 0.5 1.0 1.0 2.0 5.0 10.0 20.0

0.05 0.1 0.25 0.5 0.5 1.0 2.5 5.0 10.0

10 / 15 10 / 15 14 / 15 14 / 1 5 19 / 20 24 / 25 24 / 25 34 / 25 34 / 25

5 5 10 10 10 5 5 4 4

25 50 100 250 500 1000 2000

120 48



2982-Cylinders, Graduated, Single Metric Scale, With Penny Head Interchangeable Stopper With Hexagonal base, Accuracy As per I.S. 878:2008,Capacity Graduation Tolerance Stopper ml Interval + ml _ Size ml 5 10 25 50 100 250 500 1000 2000 0.1 0.2 0.5 1.0 1.0 2.0 5.0 10.0 20.0 0.1 0.2 0.5 1.0 1.0 2.0 5.0 10.0 20.0 10 / 15 10 / 15 14 / 15 14 / 15 19 / 20 24 / 25 24 / 25 34 / 25 34 / 25 Approx Height mm 130 160 186 206 285 370 430 500 620 Quantity Per Case Maximum Price / Piece Rs. 272.00 284.00 319.00 359.00 439.00 740.00 1040.00 1502.00 2599.00

5 10 20 20 20 10 10 4 4

BIN 27c50ml.

3021-Cylinders, Graduated, Single Metric Scale, With Pour Out, With Hexagonal Base, Class A, With Certificate,Capacity ml Graduation Interval ml 0.1 0.2 0.5 1.0 1.0 2.0 5.0 10.0 20.0 Tolerance _ ml + Approx Height mm 110 140 170 200 260 335 390 470 570 Quantity Per Case Maximum Price / Piece Rs.

A5 10 25 50 100 250 500 1000 2000 0.05 0.1 0.25 0.5 0.5 1.0 2.5 5.0 10.0 5 5 10 10 10 10 5 4 4 305.00 347.00 405.00 483.00 551.00 832.00 1139.00 1410.00 2715.00IN 27c 50 ml.



49

3022-Cylinders, Graduated, Single Metric Scale, With Pour out, With Hexagonal Base, Accuracy As per I.S. 878 : 2008,Capacity ml Graduation Interval ml 0.1 0.2 0.5 1.0 1.0 2.0 5.0 10.0 20.0 Tolerance _ ml + Approx Height mm 110 140 170 200 260 335 390 470 570 Quantity Per Case Maximum Price / Piece Rs. 168.00 192.00 226.00 249.00 289.00 527.00 693.00 1052.00 2022.00

B5IN 27c 50 ml.

0.1 0.2 0.5 1.0 1.0 2.0 5.0 10.0 20.0

10 10 20 20 20 20 10 10 4

10 25 50 100 250 500 1000 2000

IN 27c 50 ml.

3024-Cylinders, Graduated, Single Metric Scale, With Pour Out, Schelbach type, With Hexagonal Base, Accuracy As per I.S. 878 : 2008,Capacity ml Graduation Interval ml 1.0 1.0 Tolerance _ ml + Approx Height mm 180 250 Quantity Per Case Maximum Price / Piece Rs. 385.00 447.00

50 100

1.0 1.0

20 20

120 50



3025-Cylinders, Graduated, Single Metric Scale, With Pour Out, Detachable LDPE Plastic* Hexagonal Base,Capacity ml Graduation Interval ml 0.2 0.5 1.0 1.0 Tolerance _ ml + Approx Height mm 140 170 200 260 Quantity Per Case Maximum Price / Piece Rs. 152.00 182.00 230.00 261.00IN 27c 50 ml.

10 25 50 100

0.2 0.5 1.0 1.0

10 20 20 20

*For Physical and chemical resistance, please refer to page 22

3070-Cylinders, Rain Measure, Metric Scale, Graduated, With Round Base, As Per I.S. 4849:1992,Size mm Used For Collector Area cm2 200 100 Graduation Interval mm 0.2 0.2 Tolerance + mm _ Quantity Per Case Maximum Price / Piece Rs. 898.00 1056.00

20 20

0.05 0.1

5 10

The cylinders are graduated to indicate rainfall in mm when used with appropriate rain collector.



51 1

Brand Desiccator bodies and covers are designed for strength and utility. The body has a streamlined contour for easy cleaning of used desiccant. Any desiccant such as sulphuric acid, phosphoric pentoxide, calcium chloride or silica gel can be used. For your convenience, brand plain Desiccators of the same size have interchangeable covers and bodies. Vacuum types desiccators, when ground surface is cleaned and greased, will hold a vacuum of 500 mm of Mercury over a 24 hour period.

3082, Desiccators, With Cover And Porcelin Plate, Plastic Knob,Approx ID Ground Flange mm 100 150 200 250 300 Quantity Per Case Maximum Price / Piece Rs. 4158.00 4448.00 5025.00 7243.00 12257.00

1 1 1 1 1

3083, Desiccators, Vacuum, Stopcock With PTFE Spindle, And Porcelin Plate,

Approx ID Ground Flange mm

Quantity Per Case


100 150 200 250 300

1 1 1 1 1

8096.00 11730.00 12300.00 21758.00 21942.00

120 52



Brand Dishes are for your varied needs - crystallizing, evaporating, drying, storing, Petri dishes for culture, assay and micro-biological works. All dishes are safe, durable and economic. brand dishes are inert, sterilisable and remain clear after repeated uses and washings. As you use again and again, your cost per dish keeps decreasing.

DISHES

3140-Dishes, Crystallizing,Approx O.D. x Height mm 100 x 50 150 x 75 190 x 100 Quantity Per Case 20 20 4 Maximum Price / Piece Rs. 303.00 525.00 880.00100 x 503140

3160-Dishes, Culture, Petri,Approx O.D. x Height mm 50 x 17 80 x 17 100 x 17 150 x 20 200 x 20 Quantity Per Case Maximum Price / Piece Rs. 123.00 156.00 188.00 472.00 1030.00

100 100 100 40 10

These clear dishes withstand repeated sterillisation (wet or dry). The edges are beaded to provide greater mechanical strength. Excellent for routine work.



53 1

3165-Dishes, Culutre Petri, Approx O.D. x Height mm 50 x 12 80 x 15 100 x 15 150 x 25 200 x 30

S-Line Quantity Per Case 144 144 72 72 10 Maximum Price / Piece Rs. 48.00 60.00 64.00 148.00 317.00

The accuracy of many biological assays depends on the flatness of the inside bottom of petri dishes used. This dish has an inner bottom held to very close flatness tolerances. These dishes are made of a different type of glass and process which enables absolutely flat inner surfaces of tops and bottoms with high clarity and free of bubbles.

3170-Trays, Drying, Heavy Wall,Approx Dimension mm 320 x 180 x 51 350 x 200 x 58 386 x 217 x 63 404 x 257 x 61 Approx Capacity ml 1500 2400 3000 3500 Quantity Per Case 5 5 5 5Maximum Price / Piece Rs.

350.00 495.00 715.00 845.00

These trays withstand hot air or steam sterilizations. Useful for paper chromatography too. Dimensions are approximate, represent inside length x width x height in mm.

3180-Dishes, Evaporating, Flat Bottom, With Pour Out,Approx O.D. x Height mm105 x 55 3180

Quantity Per Case 60 50 20 8


80 x 45 105 x 55 150 x 80 200 x 100

120 54



Distillation equipment to cover most of the needs of the average laboratory can be built from standard Components. Distillation assemblies for specific applications however

are available as complete units, as listed herein.

3340-Distilling Apparatus, Ammonia, With Graham Condenser, Interchangeable Joints,Capacity ml Quantity Per Case Maximum Price / Piece Rs. 1875.00

500

2

Used for determining nitrogen in organic compounds. Both the digestion and distillation stages can be performed in this apparatus. The assembly shown is the distillation stage where the amount of ammonia, and hence, nitrogen is established. The inlet tube allows the permanganate solution to be introduced after distillation. Supplied with an outer interchangeable 24/29 joint on the flask and an outer interchangeable 19/26 joint on the condenser.

500 ml.

3360-Distilling Apparatus, With Graham Condenser, Inter-changeable Joints, Interchangeable Stopper,Capacity ml Condenser Jacket mm Interchangeable Joint Quantity Per Case Maximum Price / Piece Rs. 1875.00500 ml.

500

200

19 / 26

2

A general purpose batch distillation assembly with the facility for addition via the interchangeable stoppered neck. Ideally suited for the batch production of high purity distilled water. The flask has flat bottom with a side delivery tube.



55 1

WATER DISTILLATION PURIFICATION SYSTEMSECONOMY WATER STILLSGlass Distillation Units continue to be the most effective, economic method of producing ultra pure water for laboratory use. By contrast, De-ionisers are only effective in removing those substances which are ionized. Further the resins contribute organic impurities to water and an ideal environment for bacterial growth in course of time. These distillation units are designed to produce a distillate of consistent purity. The unit consists of horizontal Borosilicate Boilers, Condensers and Quartz Heater. All parts are replaceable. Advantages Compact, simple to use. Economical and ideal for colleges and general laboratory use. Powder coated stand for rust free operation. Provision for easy cleaning of Boiler.

3361-ALL GLASS SINGLE DISTILLATION UNIT, with Borosilicate Boiler, Borosilicate Condenser & Quartz Heater, Horizontal Type, Cat No. Dist. Water Output Cap.(Approx) Electrical requirements 3361 - 1.5 L 1.5 lt/hr. 230-250 volts Single phase 1.5kw Quartz heater 50 lt/hr Pyrogen Free 6-7

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