IS 10668-1983
Anhydrous formaldehyde sodium bisulfite photographic grade specifications

Standard No.

IS 10668-1983

Release Date

1983

Published By

IN-BIS

Latest

IS 10668-1983

Scope

1.1 This standard prescribes the requirements and the methods of sampling and test for sodium formaldehyde bisulphite, anhydrous ( NaHS03.HCHO ), photographic grade ( molecular weight 134.1 ).

IS 10668-1983 history

• 1983 IS 10668-1983 Anhydrous formaldehyde sodium bisulfite photographic grade specifications