Amperometric determination of nitrite via reaction with iodide using microelectrodes

被引：64
作者：
Bertotti, M
Pletcher, D
机构：
[1] UNIV SOUTHAMPTON,DEPT CHEM,SOUTHAMPTON SO17 1BJ,HANTS,ENGLAND
[2] UNIV SAO PAULO,INST QUIM,BR-05508 SAO PAULO,BRAZIL
来源：
ANALYTICA CHIMICA ACTA | 1997年 / 337卷 / 01期
基金：
巴西圣保罗研究基金会;
关键词：
amperometry; nitrite;
D O I：
10.1016/S0003-2670(96)00431-X
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The measurement of a steady state current at a Pt microdisc electrode (radii 2.5-10 mu m) is used as the basis of a rapid and simple procedure for the determination of trace nitrite in waters. The method is based on the reaction of nitrite ion with iodide in 0.1 M H2SO4 and has a lowest detection limit of 0.1 mu M. The method can be used for the determination of the nitrite level in natural waters and human saliva.
引用
收藏
页码：49 / 55
页数：7
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