IPC Subgroup
C01F 7/26 with sulfuric acids or sulfates
Introduced: September 1968
Last revised: January 2006
Full Title
Compounds of aluminium > Aluminium oxide; Aluminium hydroxide; Aluminates > Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts > with sulfuric acids or sulfates
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- INORGANIC CHEMISTRY
- Subclass:
- COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE EARTH METALS