CPC Subgroup
C01F 7/46 Purification of aluminium oxide, aluminium hydroxide or aluminates (C01F7/028 takes precedence)
Full Title
Compounds of aluminium > Aluminium oxide; Aluminium hydroxide; Aluminates > Purification of aluminium oxide, aluminium hydroxide or aluminates (C01F7/028 takes precedence)
1 direct subcode
Child Classifications
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- C01F 7/47 of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors