Amperometric determination of nitrite via reaction with iodide using microelectrodes

被引：63

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

页码：49 / 55

页数：7

共 43 条

[41] ROTATING-RING-DISK ELECTRODE METHOD FOR THE QUANTITATIVE-DETERMINATION OF NITRATE IONS IN AQUEOUS-SOLUTIONS IN THE SUBMICROMOLAR RANGE [J].