Carbon sorbents derived from the copolymer of 4,4′-bis(maleimidodiphenyl)methane and divinylbenzene are described. The influence of phosphoric acid treatment and the type of carrier gas used in the carbonization process were studied. Solid-phase extraction experiments were conducted to determine their impact on the sorption properties of these new sorbents. The recoveries and breakthrough volumes for phenolic compounds preconcentrated from water were studied.
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