EQUILIBRIUM SORPTION OF CI BASIC RED-18 BY CARBOXYMETHYL CELLULOSE MEMBRANES

被引：4

作者：

BORSA, J ^{[1
]}

PAK, S ^{[1
]}

IIJIMA, T ^{[1
]}

机构：

[1] TOKYO INST TECHNOL,DEPT POLYMER SCI,OOKAYAMA 2-12-1,MEGURO KU,TOKYO 152,JAPAN

来源：

COLLOID AND POLYMER SCIENCE | 1985年 / 263卷 / 10期

关键词：

CELLULOSE DERIVATIVES - Applications - MEMBRANES - Plastics Applications;

D O I：

10.1007/BF01412963

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The equilibrium sorption of a cationic dye, C. I. Basic Red 18, by a partially carboxymethylated cellulose membrane at pH 4. 2 was investigated. The sorption isotherm was interpreted by considering a cooperative mode of binding of the dye by the polymer. The intrinsic binding constant, the number of consecutive polymer residues occupied by a single dye molecule, and the cooperativity parameter were determined. In the case of the polymer with high content of carboxylate groups an additional mode of dye binding was presumed.

引用

页码：842 / 846

页数：5

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