Metal ion chelation chromatography on dithizone sorbed stannic silicate : Binary separation of Cd2+, Hg2+, Pb2+ and Cr3+ from Fe3+ and Al3+

被引：0

作者：

Rawat, J. P. ^{[1
]}

Naseer, Uzma ^{[1
]}

Najam, Raafia ^{[2
]}

Alaie, Shakeel Ahmad ^{[2
]}

Andrabi, S. Muzaffar Ali ^{[3
]}

机构：

[1] Aligarh Muslim Univ, Dept Chem, Aligarh 202002, Uttar Pradesh, India

[2] Univ Kashmir, PG Dept Chem, Srinagar 190006, Jammu & Kashmir, India

[3] Univ Kashmir, Univ Sci Instrumentat Ctr, Srinagar 190006, Jammu & Kashmir, India

来源：

JOURNAL OF THE INDIAN CHEMICAL SOCIETY | 2013年 / 90卷 / 01期

关键词：

Metal ion; dithizone; binary separation; chromatography; distribution coefficients;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Stannic silicate, a cation exchanger, has been modified by adsorption with dithizone. Adsorption behaviour of several transition and heavy metal ions like Al3+, Cr3+, Mn2+, Fe3+, Co2+, Ni2+, Cu2+, Zn2+, Cd2+, Hg2+ and Pb2 on the modified ion exchanger from aqueous solution at different pH (from 1-6) has been studied and their distribution coefficients (K-d) calculated. While Cd2+, Hg2+, Pb2+ and Cr3+ show very high adsorption on the modified exchanger, Fe3+ and Al3+ are adsorbed the least among the metal ions studied. On the basis of distribution coefficients binary separations of Cd2+, Hg2+, Pb2+ and Cr3+ from Fe3+ and Al3+ have been achieved on a chromatographic column packed with dithizone sorbed stannic silicate using nitric acid solution of pH 6 and pH 1 as eluents.

引用

页码：87 / 91

页数：5

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