A highly selective iodide electrode based on the bis(benzoin)-semiethylenediamine complex of mercury(II) as a carrier

被引：0
|
作者：
You-Qun Song
R. Yuan
M. Ying
Zhi-Qiang Li
Y.-Q. Chai
H. Cui
G.-L. Shen
Ru-Qin Yu
机构：
[1] Institute of Chemometrics and Chemical Sensing Technology,
[2] Chemistry and Chemical Engineering College,undefined
[3] Hunan University,undefined
[4] Changsha,undefined
[5] 410082,undefined
[6] China,undefined
来源：
Fresenius' Journal of Analytical Chemistry | 1998年 / 360卷
关键词：
Quartz; Mercury; Iodide; Linear Response; Quartz Crystal;
D O I：
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中图分类号：
学科分类号：
摘要：
A new PVC membrane electrode based on the bis(benzoin)-semiethylenediamine (BBSEA) complex of Hg(II) is described which exhibits excellent selectivity towards iodide, related to the unique interaction between the central Hg(II) and the iodide ion. The electrode has a linear response to iodide from 5 × 10–7 to 5 × 10–4 mol/L with a slope of 58 mV/dec.(20°C). The response characteristics were investigated in detail and the mechanism of the electrode was studied with AC impedance and quartz crystal microbalance (QCM) techniques. It can be used for iodide determinations in drug preparations.
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页码：47 / 51
页数：4
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