Silica-immobilized formylsalicylic acid as a selective phase for the extraction of iron(III)

被引：109

作者：

Mahmoud, ME ^{[1
]}

Soliman, EM ^{[1
]}

机构：

[1] MENIA UNIV,FAC SCI,DEPT CHEM,MENIA,EGYPT

来源：

TALANTA | 1997年 / 44卷 / 01期

关键词：

iron(III) extraction; silica-immobilized formylsalicylic acid;

D O I：

10.1016/S0039-9140(96)01960-1

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The immobilization of formylsalicylic acid compounds on the surface of amino group-containing silica gel phases is described. The resulting phases were tested for the extraction of iron(III) and showed an exchange capacity of 0.95-0.96 mmol g(-1). The other metal ions tested showed lower metal capacity values than iron(III). The selectivity of the phases tested for the extraction of iron(III) from a mixture containing several other metal ions was evaluated using atomic absorption spectrometry. A method for the recycling of immobilized silica gel after metal extraction is described for practical applications.

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收藏

页码：15 / 22

页数：8

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