IPC Subgroup
C01B 25/2 Preparation from elemental phosphorus or phosphoric anhydride
Introduced: September 1968
Last revised: January 2006
Full Title
Phosphorus; Compounds thereof > Oxyacids of phosphorus; Salts thereof > Phosphoric acid > Preparation from elemental phosphorus or phosphoric anhydride
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- INORGANIC CHEMISTRY
- Subclass:
- NON-METALLIC ELEMENTS; COMPOUNDS THEREOF