AMMONIA

**Limiting references (this place does not cover):** - Metal hydrides, monoborane, diborane or addition complexes thereof -> C01B6/00 - Salts of oxyacids of halogens -> C01B11/00 - Peroxides, salts of peroxyacids -> C01B15/00 - Sulfides or polysulfides of magnesium, calcium, strontium, or barium -> C01B17/42 - Thiosulfates, dithionites, polythionates -> C01B17/64 - Compounds containing selenium or tellurium -> C01B19/00 - Binary compounds of nitrogen with metals -> C01B21/06 - Azides -> C01B21/08 - Compounds other than ammonia or cyanogen containing nitrogen and non-metals and optionally metals -> C01B21/082 - Amides or imides of silicon -> C01B21/087 - Metal imides or amides -> C01B21/092 , C01B21/0923 - Nitrites -> C01B21/50 - Compounds of noble gases -> C01B23/0005 - Phosphides -> C01B25/08 - Salts of oxyacids of phosphorus -> C01B25/16 - Carbides -> C01B32/90 - Compounds containing silicon -> C01B33/00 - Compounds containing boron -> C01B35/00 - Compounds having molecular sieve properties but not having base-exchange properties -> C01B37/00 - Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites -> C01B39/00