IS 11751 : 1986 Sodium sulphite, anhydrous, photographic grade

1 Scope

1.1 This standard prescribes the requirements and the methods ofsampling and test for sodium sulphite, anhydrous, photographicgrade.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 247:1972 Specification for sodiumsulphite, anhydrous

IS 264:1976 Specification for nitric acid

IS 265 : 1976Specification for hydrochloric acid

IS 799 : 1978Specification for ammonia, liquour

IS 1070 : 1977Specification for water for general laboratory use

IS 2316 : 1968Methods of preparation of standard solutions forcalorimetric and volumetric analysis