CPC Subgroup Additional Only
B01D 2257/20 Halogens or halogen compounds
Full Title
Components to be removed > Halogens or halogen compounds
3 direct subcodes
Child Classifications
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- B01D 2257/202 Single element halogens
- B01D 2257/204 Inorganic halogen compounds
- B01D 2257/206 Organic halogen compounds