IS 9386 : 1979 Methods for chemical analysis of rock phosphate

1 Scope

1.1 This standard covers the methods for determination of phosphoruspentoxide, calcium oxide, fluorine and carbon dioxide in rock phosphate.

2 References

IS 2 :1960 Rules for rounding off numericalvalues

IS 264 :1968 Specification for nitric acid

IS 265 :1962 Specification for hydrochloric acid

IS 266 :1961 Specification for sulphuric acid

IS 1070 :1977 Specification for water for general laboratory use

IS 1817 :1961 Methods of sampling non-ferrous metals for chemical analysis