IS 12875 : 1989 Aluminium potassium sulphate (potash alum), photographic grade

1 Scope

1.1 This standard specifies the requirements and methods ofsampling and test for aluminium potassium sulphate (potash alum)for use in the processing of sensitized photographic materials.

2 References

IS 321 : 1964Specification for absolute alcohol

IS 1070 : 1977Specification for water for general laboratory use

IS 4905 : 1968Methods for random sampling