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PCE
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DIFF Subgroup
C01F 7/47

of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Compounds of aluminium > Aluminium oxide; Aluminium hydroxide; Aluminates > Purification of aluminium oxide, aluminium hydroxide or aluminates > of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors

CPC:

Compounds of aluminium > Aluminium oxide; Aluminium hydroxide; Aluminates > Purification of aluminium oxide, aluminium hydroxide or aluminates (C01F7/028 takes precedence) > of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 2022.

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