Aluminium oxide or hydroxide from alkali metal aluminates

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Compounds of aluminium > Aluminium oxide; Aluminium hydroxide; Aluminates > Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom > Aluminium oxide or hydroxide from alkali metal aluminates

CPC:

Compounds of aluminium > Aluminium oxide; Aluminium hydroxide; Aluminates > Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom (C01F7/028 takes precedence) > Aluminium oxide or hydroxide from alkali metal aluminates

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 2022.

Child Classifications

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C01F 7/141 from aqueous aluminate solutions by neutralisation with an acidic agent since 2022 IPC+CPC Available in IPC and CPC
C01F 7/144 from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process since 2022 IPC+CPC Available in IPC and CPC