O-O-690C, FEDERAL SPECIFICATION: OXALIC ACID, DIHYDRATE, TECHNICAL (14-MAY-1992) [S/S BY A-A-59121]

O-O-690C, FEDERAL SPECIFICATION: OXALIC ACID, DIHYDRATE, TECHNICAL (14-MAY-1992) [S/S BY A-A-59121]., This specification covers three classes of technical grade oxalic acid, dihydrate.