CPC Main Group Additional Only
B01D 2257/00 Components to be removed
12 direct subcodes
Child Classifications
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- B01D 2257/10 Single element gases other than halogens
- B01D 2257/20 Halogens or halogen compounds
- B01D 2257/30 Sulfur compounds
- B01D 2257/40 Nitrogen compounds
- B01D 2257/50 Carbon oxides
- B01D 2257/55 Compounds of silicon, phosphorus, germanium or arsenic
- B01D 2257/60 Heavy metals or heavy metal compounds
- B01D 2257/70 Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D 2257/80 Water
- B01D 2257/90 Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
- B01D 2257/91 Bacteria; Microorganisms
- B01D 2257/93 Toxic compounds not provided for in groups B01D2257/00 - B01D2257/708