Simultaneous determination of fluorine and iodine in urine by ion chromatography with electrochemical pretreatment

被引：17
|
作者：
Hu, Kang Kang
Huang, Wei Xiong
Su, Yu Hua
Hu, Rong Zong [1 ]
机构：
[1] Xiamen Univ, Dept Chem, Coll Chem & Chem Engn, Xiamen 361005, Peoples R China
来源：
CHINESE CHEMICAL LETTERS | 2009年 / 20卷 / 12期
关键词：
Fluorine; Iodine; Urine; Electrochemical pretreatment; Ion chromatography; MOLECULAR ABSORPTION SPECTROMETRY; SAMPLES;
D O I：
10.1016/j.cclet.2009.05.030
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new method for the simultaneous determination of fluorine and iodine in urine by ion chromatography (IC) with electrochemical pretreatment has been developed. The pretreatment was performed in a novel electrochemical oxidation-neutralization device (EOND), in which iodide of the sample was oxidized to iodate and the alkaline digestion sample solution was neutralized. Under the optimized conditions, the limits of detection 0101), S/N = 3) were 2.5 mu g/L for fluoride and 20 mu g/L for iodate, respectively. The recoveries were in the range of 93-102% for fluoride and 86-98% for iodate. (C) 2009 Rong Zong Hu. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
引用
收藏
页码：1483 / 1486
页数：4
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