Sorbents based on N-(2-carboxyethyl)chitosan cross-linked by nanosecond electron beams

被引：0

作者：

S. Yu. Sokovnin

M. E. Balezin

I. S. Puzyrev

A. V. Pestov

Yu. G. Yatluk

E. V. Zabolotskaya

机构：

[1] Ural Branch of the Russian Academy of Sciences,Institute of Electrophysics

[2] Ural Branch of the Russian Academy of Sciences,I. Ya. Postovsky Institute of Organic Chemistry

[3] Ural Branch of the Russian Academy of Sciences,Institute of Solid State Chemistry

来源：

Russian Chemical Bulletin | 2009年 / 58卷

关键词：

chitosan; carboxyethylchitosan; carboxymethylchitosan; chelate sorbents; nano-second electron beam;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Methods for the synthesis of new chelating chitosan derivatives containing 2-carboxyethyl groups were developed. Their macromolecules were cross-linked by the irradiation with a nanosecond electron beam, which gave for the first time sorbents with a high sorption capacity for CuII ions. The maximum sorption capacity, which is achieved in the pH range 6.5–7.2. and the Langmuir adsorption constant of Cu2+ ions on the sorbent with the degree of substitution 0.91 are 1.37 mmol g−1 and 152.51 L mol−1, respectively. The structures of the formed complexes in the sorbent phase were characterized by ESR spectroscopy.

引用

页码：1172 / 1179

页数：7

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