IS 1919 : 1982 Specification for Sodium Hydrosulphite

1 Scope

1.1 This standard prescribes the requirements and the methods ofsampling and test for sodium hydrosulphite (Na₂S₂O₄). 

2 References

IS 2 :1960Rules for rounding off numerical values

IS 1070 :1977Specification for water for general laboratoryuse

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