THE SYNTHESIS OF THE CHELATING ION-EXCHANGE RESINS BASED ON THE POLYAMINE-POLYUREA RESIN AND THEIR HEAVY METAL ION ADSORPTION CHARACTERISTICS

被引：1

作者：

Chung, Yong Soon ^{[1
]}

Oh, Seng Ho ^{[1
]}

Lee, Kang Woo ^{[1
]}

Lee, Taik Hyuck ^{[2
]}

机构：

[1] Chungbuk Natl Univ, Dept Chem, Cheongju 360763, South Korea

[2] Baejae Univ, Dept Chem, Taejon 301160, South Korea

来源：

ANALYTICAL SCIENCES | 1991年 / 7卷

关键词：

Iminodiacetic acid bonded-carboxymethylated polyamine-polyurea resin; selectivity; capacity; preconcentration;

D O I：

10.2116/analsci.7.Supple_1525

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The poly(ethylenimine)-polymethylenepolyphenylene isocyanate(polyamine-polyurea resin) backbone chelating ion-exchange resins were prepared from the condensation reaction between the polyamine-polyurea resin and some organic acids. These resins were identified with FT-IN, elemental analysis and DSC(differential scanning calorimetry). The adsorption characteristics of some heavy metal ions on the resins were studied with measuring the effect of pH for the adsorption percentage and adsorption capacities on the optimum pH. Preconcentrations of the heavy metal ions on the resins in the presence of high concentration of salt were also studied.

引用

页码：1525 / 1528

页数：4

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