Metal ion selectivity of a macroreticular styrene-divinylbenzene copolymer-based methylenephosphonic acid resin

被引：12
作者：
Jyo, A [1 ]
Yamabe, K [1 ]
Egawa, H [1 ]
机构：
[1] KUMAMOTO INST TECHNOL,KUMAMOTO 860,JAPAN
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 1997年 / 32卷 / 06期
关键词：
D O I：
10.1080/01496399708000948
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The selectivity of a macroreticular styrene-divinylbenzene copolymer-based methylenephosphonic acid resin (RCSP) toward 17 kinds of metal ions was evaluated in nitric acid media by means of distribution ratio measurements; the order of decreasing affinity was found to be Fe(III) similar to U(VI) similar to Mo(VI) > Bi(III) > Al(III) > Gd(III) > La(III) similar to V(V)> Pb(II) > Cd(II) > Cu(II) similar to Ca(II) similar to Ba(II) similar to Zn(II) > Mg(II) similar to Co(II) similar to NI(II). Among the tested metal ions, Fe(III), Mo(VI), and U(VI) were highly distributed into RCSP even from 6 M nitric acid as in the case of solvent extraction with organophosphorous acids and eaters. However, RCSP did not exhibit as high an affinity with these metal ions in 6 M hydrochloric acid.
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页码：1099 / 1105
页数：7
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