SELECTIVE ADSORPTION OF COPPER(II) OVER IRON(III) ON CHITOSAN DERIVATIVE INTRODUCING PYRIDYL GROUP

被引：24

作者：

BABA, Y

MASAAKI, K

KAWANO, Y

机构：

来源：

CHEMISTRY LETTERS | 1994年 / 12期

关键词：

D O I：

10.1246/cl.1994.2389

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Crosslinked N-(2-pyridylmethyl)chitosan(=PMC) with lower affinity for iron(III) was synthesized to improve the selectivity of copper(II)/iron(III). Compared with that of the crosslinked copper-complexed chitosan, the order of selectivity of copper(II)/iron(III) was reversed. Copper(II) was selectively adsorbed on PMC at a lower pH by 4 units over iron(III) from 1 mol dm(-3) aqueous ammonium nitrate solution.

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页码：2389 / 2392

页数：4

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