1 Short Note of Cement Chemistry Indian Standard Code use in cement Chemistry Cement IS 269:1989 – Specification for ordinary Portland cement, 33 grade IS 455:1989- Specification for Portland slag cement IS 1489(Part 1):1991 Specification for Portland pozzolana cement Part 1 Flyash based IS 1489(Part 2):1991 Specification for Portland-pozzolana cement: Part 2 Calcined clay based IS 3466:1988 Specification for masonry cement IS 6452:1989- Specification for high alumina cement for structural use. IS 6909:1990 Specification for super sulphated cement IS 8041:1990 Specification for rapid hardening Portland cement IS 8042:1989 Specification for white Portland cement IS 8043:1991 Specification for hydrophobic Portland cement IS 8112:1989 Specification for 43 grade ordinary Portland IS 8229:1986 Specification for oil-well cement. IS 12269:1987 Specification for 53 grade ordinary Portland IS 12269:535 Specification for TRS-T40 grade ordinary Portland IS 12330:1988 Specification for sulphate resisting Portland IS 12600:1989 Specification for low heat Portland cement Instrument use in cement analysis IS 12803:1989 Methods of analysis of hydraulic cement by X-ray fluorescence spectrometer IS 12813:1989 Method of analysis of hydraulic cement by atomic absorption spectrophotometer Apparatus use in cement analysis IS 5512:1983 Specification for flow table for use in tests of hydraulic cements and pozzolanic materials IS 5513:1996 Specification for vicat apparatus. IS 5514:1996 Specification for apparatus used in Le-Chatelier test IS 5515:1983 Specification for compaction factor apparatus IS 5516:1996 Specification for variable flow type air-permeability apparatus (Blaine type) IS 14345:1996 Specification for autoclave apparatus Physical & Chemical Analysis of Cement IS 4031(Part 1):1996 Methods of physical tests for hydraulic cement: Part 1 Determination of fineness by dry sieving IS 4031(Part 2):1999 Methods of physical tests for hydraulic cement: Part 2 Determination of fineness by specific surface by Blaine air permeability method IS 4031(Part 3):1988 Methods of physical tests for hydraulic cement: Part 3 Determination of soundness IS 4031(Part 4):1988 Methods of physical tests for hydraulic cement: Part 4 Determination of consistency of standard cement paste IS 4031(Part 5):1988 Methods of physical tests for hydraulic cement: Part 5 Determination of initial and final setting times IS 4031(Part 6):1988 Methods of physical tests for hydraulic cement: Part 6 Determination of compressive strength of hydraulic cement (other than masonry cement) IS 4031(Part 7):1988 Methods of physical tests for hydraulic cement: Part 7 Determination of compressive strength of masonry cement IS 4031(Part 8):1988 Methods of physical tests for hydraulic cement: Part 8 Determination of transverse and compressive strength of plastic mortar using prism IS 4031(Part 9):1988 Methods of physical tests for hydraulic cement: Part 9 Determination of heat of hydration IS 4031(Part 10):1988 Methods of physical tests for hydraulic cement: Part 10 Determination of drying shrinkage
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Short Note of Cement Chemistry Indian Standard Code use in cement Chemistry
Cement IS 269:1989 – Specification for ordinary Portland cement, 33 grade
IS 455:1989- Specification for Portland slag cement
IS 1489(Part 1):1991 Specification for Portland pozzolana cement Part 1 Flyash based
IS 1489(Part 2):1991 Specification for Portland-pozzolana cement: Part 2 Calcined clay based
IS 3466:1988 Specification for masonry cement
IS 6452:1989- Specification for high alumina cement for structural use.
IS 6909:1990 Specification for super sulphated cement
IS 8041:1990 Specification for rapid hardening Portland cement
IS 8042:1989 Specification for white Portland cement
IS 8043:1991 Specification for hydrophobic Portland cement
IS 8112:1989 Specification for 43 grade ordinary Portland
IS 8229:1986 Specification for oil-well cement.
IS 12269:1987 Specification for 53 grade ordinary Portland
IS 12269:535 Specification for TRS-T40 grade ordinary Portland
IS 12330:1988 Specification for sulphate resisting Portland
IS 12600:1989 Specification for low heat Portland cement Instrument use in cement analysis IS 12803:1989 Methods of analysis of hydraulic cement by X-ray fluorescence spectrometer
IS 12813:1989 Method of analysis of hydraulic cement by atomic absorption spectrophotometer Apparatus use in cement analysis IS 5512:1983 Specification for flow table for use in tests of hydraulic cements and pozzolanic
materials
IS 5513:1996 Specification for vicat apparatus.
IS 5514:1996 Specification for apparatus used in Le-Chatelier test
IS 5515:1983 Specification for compaction factor apparatus
IS 5516:1996 Specification for variable flow type air-permeability apparatus (Blaine type)
IS 14345:1996 Specification for autoclave apparatus
Physical & Chemical Analysis of Cement IS 4031(Part 1):1996 Methods of physical tests for hydraulic cement: Part 1 Determination of
fineness by dry sieving
IS 4031(Part 2):1999 Methods of physical tests for hydraulic cement: Part 2 Determination of
fineness by specific surface by Blaine air permeability method
IS 4031(Part 3):1988 Methods of physical tests for hydraulic cement: Part 3 Determination of
soundness
IS 4031(Part 4):1988 Methods of physical tests for hydraulic cement: Part 4 Determination of
consistency of standard cement paste
IS 4031(Part 5):1988 Methods of physical tests for hydraulic cement: Part 5 Determination of initial
and final setting times
IS 4031(Part 6):1988 Methods of physical tests for hydraulic cement: Part 6 Determination of
compressive strength of hydraulic cement (other than masonry cement)
IS 4031(Part 7):1988 Methods of physical tests for hydraulic cement: Part 7 Determination of
compressive strength of masonry cement
IS 4031(Part 8):1988 Methods of physical tests for hydraulic cement: Part 8 Determination of
transverse and compressive strength of plastic mortar using prism
IS 4031(Part 9):1988 Methods of physical tests for hydraulic cement: Part 9 Determination of heat of
hydration
IS 4031(Part 10):1988 Methods of physical tests for hydraulic cement: Part 10 Determination of
drying shrinkage
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IS 4031(Part 11):1988 Methods of physical tests for hydraulic cement: Part 11 Determination of
density
IS 4031(Part 12):1988 Methods of physical tests for hydraulic cement: Part 12 Determination of air
content of hydraulic cement mortar
IS 4031(Part 13):1988 Methods of physical tests for hydraulic cement: Part 13 Measurement of water
retentivity of masonry cement
IS 4031(Part 14):1989 Methods of physical tests for hydraulic cement: Part 14 Determination of false
set
IS 4031(Part 15):1991 Methods of physical test for hydraulic cement: Part 15 Determination of
fineness by wet sieving
IS 4032:1985 Method of chemical analysis of hydraulic cement
IS 3535:1986 Methods of sampling hydraulic cement
IS 12423:1988 Method for colorimetric analysis of hydraulic
IS 4845:1968 Definitions and terminology relating to hydraulic cement. Use sand in cement IS 650:1991 Specification for standard sand for testing of cement.
IS 456:2000 Code of practice plain and reinforced concrete
Pozzolana material IS 1727:1967 Methods of test for pozzolana materials.
IS 12870:1989 Methods of sampling calcined clay pozzolana.
IS 3812(Part 1):2003 Specification for pulverized fuel ash Part 1 For use as pozzolana in cement,
cement mortar and concrete
IS 3812(Part 2):2003 Specification for pulverized fuel ash Part 2 For use as admixture in cement
mortar and concrete
IS 6491:1972 Method of sampling fly ash
IS 12089:1987 Specification for granulated slag for manufacture of Portland slag cement.
Coal IS 1350:1984 (Part-I) Methods of test Proximate analysis
IS 1350:1970 (Part-II) Methods of test Calorific value.
IS 1350:1969 (Part-III) Methods of test Sulphur analysis
IS 1350:1974 (Part-IV) Methods of test Ultimate analysis.
IS 1350:1979 (Part-V) Methods of test Special Impurity. Lime stone IS 1760:1991 (Part- I to V) Methods of Chemical Analysis of Limestone.
IS 1760 (Part 3):1992 Methods of chemical analysis of limestone, dolomite and allied materials:
Part 3 Determination of iron oxide, alumina, calcium oxide and magnesia
Gypsum IS 1288:1982 Methods of test mineral gypsum.
IS 1289:1960 Methods of sampling mineral gypsum
IS 1290:1982 Mmineral gypsum.
Bag IS 12154:1987 Methods of Light weight jute bags for packing cement
IS 2580:1995 Methods of Jute sacking bags for packing cement
IS 11652:1986 High density polyethylene (HDPE) woven sacks for packing cement
IS 12174:1987 Jute synthetic union bags for packing cement
IS 11653:1986 Polypropylene (PP) woven sacks for packing cement
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Formula use in cement analysis.
Hydraulic Modulus: HM = CaO
SiO2 + Al2O3 +Fe2O3 (Typical Range: 1.7 to 2.3)
Silica Ratio: SM = SiO2
Al2O3 +Fe2O3 (Typical Range: 1.8 to 2.7)
Alumina Ratio: AM = Al2O3
Or Iron Modulus Fe2O3 (Typical Range: 1.0 to 1.7)
Lime saturation Factor: (For OPC Cement)
LSF = CaO- 0.7 SO3
2.8 SiO2 + 1.2Al2O3 +0.65Fe2O3 (Typical Range: 0.66 to 1.02)
Lime saturation Factor:
LSF = CaO X 100
2.8 SiO2 + 1.2Al2O3 +0.65Fe2O3 (Typical Range: 95 to 110)
Coal Grading: Coal is the combination of Organic (Carbon) and Inorganic (Si02, R2O3 etc) material. It is use for
heating porpoise. Grade A+M % UHV cal/g A <19.5 >6200 B 19.5-24.0 6200-5600 C 24.0-28.7 5600-4940 D 28.7-34.1 4940-4200 E 34.1-40.2 4200-3360 F 40.2-47.1 3360-2400 G 47.1-55.1 2400-1300 Un-grade >55.1 <1300 Type of Coal: 1. Anthracite 2.Buteminus 3. Lignite 4. Pith
Physical Analysis of PPC: TEST- Residue (sieve), Blain, Normal consistence, Setting time, Compressive strength, Soundness-(AC&LC) Blain (IS -4031 part-2) = 300 M2/kg minimum
S.No. Date Calibration Result of Calibration (Test records indicating details of standard values and observed values for
each equipment to be kept in proforma for which various columns be devised; as required)
Name of Equipment Action taken if equipment
found defective
Sl. No. (If any) Remarks
FREQUENCY OF CALIBRATION:
Blaine’s apparatus- Daily with licensee’ sown Standard cement sampleand once in a month with standard
cement samples supplied by NCCBM.
Compressive strength - Once in a month with licensee’s own proving ring and the proving ring shall be calibrated once
Testing machine in two years from the recognized calibrating agency like NPL/NABL accredited Lab or proving ring manufacturer having NPL certified calibrator.
Autoclave pressure gauge - Once in a six months either by licensee’s own dead weight Pressure gauge or from
approved independent agency /NABL accredited Lab or manufacturer of such
gauge having NPL certified calibrator. Vibration machine - Once in a month by licensee’s own tachometer. The tachometer shall be Calibrated once
in three Years from approved out Side agency /NABL accredited Lab having NPL
certified calibrator.
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FLY ASH TESTING (physical- IS-1727) Lime reactivity Test Specimen: 50mm Age at testing: 10 day’s Temperature: 500C ± 20C Humidity (RH): 90 -100%
Material for mortar : = 1-hydrate lime : 2M*- pozzolana : 9- sand(3type)
M* = Specific gravity of pozzolana / Specific gravity of Lime Water requirement = Flow-70mm ± 5mm, 10 drop in 6 second.
IS require compressive St. = 4.5 N/mm2, min
Pozzolana Specific gravity = weight of pozzolana in gm / displaced volume in ml. Pozzolana min Blain = 320 Drying Shrinkage % max (IS) = 0.15 Molecular weight: CaCO3 =100, SiO2=60, Al2O3=102, Fe2O3 =160, MgO= 40, Na2O= 62, K2O = 94
Clinker, Cement & Raw material (CaO, MgO)-EDTA method
For-CaO For- MgO
(end colour red- pink to purple) (end colour red- pink to blue)
Take 20 ml aliquot solution
After filtrate R2O3 solution make up 500 ml
Add Tri ethanol amine (TEA)
5 ml (For Isolation), C6H15NO3,
Mwt-149.19 g/m
Add Glycerol 5 ml
(For Isolation), C3H8O3,
Mwt-92.10 g/m
Add Patton & Reader (P&R)
Indicator, C21H14N2O7S
Mwt-438.42 g/m
Add 10-20 ml Sodium (4.0N)
Hydroxide NaOH (For pH-12)
Mwt-00 g/m
Titrate with EDTA
(ethylene di amine tetra
acetate) Mwt-000 g/m
{0.0005608 X V1 X Vmu X 100} D.F.
Volume taken X Sample weight
= V1- EDTA Burette reading = Vmu- Volume make up = DF -
Take 20 ml aliquot solution
Add Tri ethanol amine (TEA)
5 ml (For Isolation), C6H15NO3,
Mwt-149.19 g/m
Add Glycerol 5 ml
(For Isolation), C3H8O3,
Mwt-92.10 g/m
Add Eriochrome black T (EBT)
Indicator, C20H2N3NaO7S
Mwt-461.38 g/m
Add 10-20 ml Buffer Solution
(For pH-10)
Mwt-000 g/m
Titrate with EDTA
(ethylene di amine tetra
acetate) Mwt-000 g/m
{0.0004032 X (V2- V1)X Vmu X 100} D.F.
Volume taken X Sample weight
= V1- EDTA Burette reading = V2- Cao titration BR = Vmu- Volume make up = DF -
Solution Use: = Buffer solution- 70 gm NH4Cl dissolved in 570 ml NH4OH. = 4.0N NaOH- 160 gm dissolved in 1000 ml H2O. =EDTA- 3.7224 gm dissolved in H2O 100 ml and make up 1000 ml solution.