| 摘要 |
FIELD: chemistry.SUBSTANCE: disclosed is an anion-exchange sorbet based on a styrene and divinyl benzene copolymer with a quaternary ammonium functional group that is chemically grafted to the copolymer through an alkyl or acyl radical (R). Ris selected from: CH-CH, C(O)(CH), (CH)n, (n= 1-6). The quaternary ammonium functional group contains one methyl radical and two 2-hydroxypropyl radicals. The sorbent has the general formula.Ris selected from: H, OH, Hal (halogen), Alkyl (alkyl radical).EFFECT: invention reduces the effect of the matrix on retention of polarisable anions.10 cl, 2 tbl, 1 dwg |
