IS 4528 : 1977 Specification for 4, 4'-dinitrostilbene-2, 2'-disulphonic Acid (Disodium Salt)

1 Scope

1.1 This standard prescribes the requirements and the methods ofsampling and test for disodium salt of 4, 4'-dinitrostilbene-2,2'-disulphonic acid.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 1070 : 1977 Specification forwater for general laboratoryuse

IS 1260 : Part I :1973 Pictorial markings for handling andlabelling ofgoods:Part I Dangerous goods

IS 2552 :1970Specification for steel drums (galvanized andungalvanized)

IS 5299 :1969Methods of sampling and tests for dyeintermediates