ANSI/I3A IT4.177-1983
Photography (Chemicals) – Sodium Thiocyanate

Standard No.

ANSI/I3A IT4.177-1983

Release Date

1983

Published By

American National Standards Institute （ANSI)

Scope

This standard establishes criteria for the purity of photographic grade sodium thiocyanate crystals and sodium thiocyanate solution (50%), and describes the tests to be used to determine the purity.