IS 12121 : 1987 Sodium carbonate, anhydrous, photographic grade

1 Scope

1.1 This standard prescribes requirements and methods ofsampling and test for sodium carbonate, anhydrous, photographicgrade used in the processing of sensitized photographic materials.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 296 : 1974Specification for sodium carbonate anhvdrous

IS 323 : 1959Specification for rectified spirit

IS 1070 : 1977Specification for water for general laboratory use

IS 4905 : 1968Methods for random sampling