IS 6980 : 1983 Tetrasodium pyrophosphate, anhydrous, technical

1 Scope

1.1 This standard prescribes the requirements and the methods ofsampling and test for anhydrous tetrasodium pyrophosphate,technical for use as a detergent builder and as a deflocculent.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 1070 : 1977Specification for water for general laboratory use.

IS 4905 : 1968Methods for random sampling