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IPC Subgroup
C01F 7/42

Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation

Introduced: September 1968

Last revised: January 2022

Full Title

Compounds of aluminium > Aluminium oxide; Aluminium hydroxide; Aluminates > Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation

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

3 direct subcodes

Child Classifications

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  • C01F 7/426 by applying mechanical energy to solid aluminium at a low temperature
  • C01F 7/428 by oxidation in an aqueous solution