A highly selective colorimetric sensor for Hgbased on a copper （Ⅱ） complex of thiosemicarbazone in aqueous solutions

被引：0

作者：

WEI TaiBao ^{[1
,2
,3
]}

LI JunJian ^{[1
,2
,3
]}

BAI CuiBing ^{[1
,2
,3
]}

LIN Qi ^{[1
,2
,3
]}

YAO Hong ^{[1
,2
,3
]}

XIE YongQiang ^{[1
,2
,3
]}

ZHANG YouMing ^{[1
,2
,3
]}

机构：

[1] Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China

[2] Key Laboratory of Polymer Materials of Gansu Province

[3] College of Chemistry and Chemical Engineering, Northwest Normal

来源：

Science China(Chemistry) | 2013年 / 07期

关键词：

D O I：

暂无

中图分类号：

O657.3 [光化学分析法（光谱分析法）];

学科分类号：

摘要：

By applying an indirect strategy, a new copper (Ⅱ) complex of a thiosemicarbazone L has been successfully developed as a colorimetric chemosensor for the sensitive detection of mercury (Ⅱ) ions. In the presence of copper (Ⅱ) ions, the colorless solution of L became yellow; however, upon the addition of traces of mercury (Ⅱ) ions, the yellow color faded to colorless immediately. Other ions, including Fe3+ , Ag+ , Ca2+ , Zn2+ , Pb2+ , Cd2+ , Ni2+ , Co2+ , Cr3+ and Mg2+ had a negligible influence on the probe behavior. The detection limits were 5.0×10 -6 M and 3.0×10 -7 M of Hg2+ using the visual color changes and UV-vis changes respectively. Test strips based on Cu-L were fabricated, which could act as a convenient and efficient Hg2+ test kits.

引用

页码：923 / 927

页数：5

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