IPC Subgroup
C01B 25/45 containing plural metal, or metal and ammonium
Introduced: January 1980
Last revised: January 2006
Full Title
Phosphorus; Compounds thereof > Oxyacids of phosphorus; Salts thereof > Phosphates > containing plural metal, or metal and ammonium
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- INORGANIC CHEMISTRY
- Subclass:
- NON-METALLIC ELEMENTS; COMPOUNDS THEREOF