Voltammetric determination of perchlorate ion at a liquid-liquid microscopic interface

被引：2

作者：

Martynov, L. Yu. ^{[1
]}

Mel'nikov, A. P. ^{[1
]}

Astaf'ev, A. A. ^{[2
]}

Zaitsev, N. K. ^{[1
]}

机构：

[1] Moscow Technol Univ, Inst Fine Chem Technol, Moscow 119571, Russia

[2] Russian Acad Sci, Semenov Inst Chem Phys, Moscow 119334, Russia

来源：

JOURNAL OF ANALYTICAL CHEMISTRY | 2017年 / 72卷 / 09期

关键词：

perchlorates; amperometric ion-selective electrodes; stabilization of electrolyte/electrolyte interface; electrochemical analysis;

D O I：

10.1134/S1061934817090052

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A method is proposed for the electrochemical determination of perchlorate ion by voltammetry at the interface between two immiscible phases (water-o-nitrophenyl octyl ether). A demountable original-design amperometric ion-selective electrode based on a laser-microperforated polymeric membrane was fabricated for voltammetric measurements. The conditions of analytical signal recording in the determination of ClO4 (-) were determined. The effect of interfering ions was assessed and amperometric selectivity coefficients were calculated. The accuracy of the procedure was verified by the added-found method. The developed electrode was applied to the determination of perchlorate in natural and drinking waters.

引用

页码：992 / 998

页数：7

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