CPC Subgroup
C01C 1/24 Sulfates of ammonium (C01C1/14 takes precedence)
Full Title
Ammonia; Compounds thereof > Sulfates of ammonium (C01C1/14 takes precedence)
5 direct subcodes
Child Classifications
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- C01C 1/242 Preparation from ammonia and sulfuric acid or sulfur trioxide
- C01C 1/244 Preparation by double decomposition of ammonium salts with sulfates
- C01C 1/245 Preparation from compounds containing nitrogen and sulfur
- C01C 1/248 Preventing coalescing or controlling form or size of the crystals
- C01C 1/249 Deacidifying the crystals