Aspects relating to the composition of sorbent or filter aid materials

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Aspects relating to sorbent materials > Aspects relating to the composition of sorbent or filter aid materials

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• B01J 2220/42 Materials comprising a mixture of inorganic materials (materials coated or impregnated on a carrier B01J20/32)
• B01J 2220/44 Materials comprising a mixture of organic materials (materials coated or impregnated on a carrier B01J20/32)
• B01J 2220/46 Materials comprising a mixture of inorganic and organic materials (materials coated or impregnated on a carrier B01J20/32)
• B01J 2220/48 Sorbents characterised by the starting material used for their preparation
• B01J 2220/49 Materials comprising an indicator, e.g. colour indicator, pH-indicator