IS 3204 : 1978 Limestone for chemical industry

UDC 622.335.11 : 66 CHD 1
Reaffirmed 2020

1 Scope

1.1 This standard prescribes the requirements and the methods ofsampling and test for limestone for chemical industry. It alsocovers seashells and calcite, a crystalline form of naturallyoccurring calcium carbonate.

1.1.1 This standard does not cover limestone for building,agricultural, metallurgical, glass and ceramic industries.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 296 : 1974Specification for sodium carbonate, anhydrous

IS 574 : 1970Specification for trisodium phosphate

IS 1070 : 1977Specification for water for general laboratory use

IS 1760 : 1962Methods of chemical analysis of limestone, dolomite and allied materials

IS 2109 : 1962Methods of sampling dolomite, limestone and other alliedmaterials

IS 4161 : 1967Specification for Nessler cylinders