O-A-451F, FEDERAL SPECIFICATION: AMMONIUM HYDROXIDE, TECHNICAL (27 JUN 1975) [S/S BY A-A-59370]
O-A-451F, FEDERAL SPECIFICATION: AMMONIUM HYDROXIDE, TECHNICAL (27 JUN 1975) [S/S BY A-A-59370]., This specification covers four types of technical grade ammonium hydroxide, also known as aqua ammonia.