ANSI PH4.232-1979
Photographic Grade Ammonium Hydroxide, NH4OH (Aqueous Ammonia)

Standard No.

ANSI PH4.232-1979

Release Date

1979

Published By

American National Standards Institute （ANSI)

Latest

ANSI PH4.232-1979

ANSI PH4.232-1979 history

• 1979 ANSI PH4.232-1979 Photographic Grade Ammonium Hydroxide, NH4OH (Aqueous Ammonia)