IS 2211 : 1993 Anhydrous, sodium thiosulphate, photographic grade

1 Scope

1.1 This standard prescribes requirements methods of samplingand test for anhydrous sodium thiosulphate, photographic grade.

2 References

IS 265 : 1987Hydrochloric acid

IS 1070 : 1992 Reagentgrade water-specification

IS 4905 : 1968 Methods forrandom sampling