TITLE

Determination of chlorite in drinking water by differential pulse voltammetry on graphite

AUTHOR(S)
Pezzatini, Giovanni; Midili, Ilaria; Toti, Gabriele; Loglio, Francesca; Innocenti, Massimo
PUB. DATE
October 2004
SOURCE
Analytical & Bioanalytical Chemistry;Oct2004, Vol. 380 Issue 4, p650
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The chlorite ion is an unavoidable by-product of the disinfection of drinking water by means of chlorine dioxide. The maximum concentration values of chlorite accepted in many countries’ regulations range from 0.2 to 1.0 mg L-1. A simple, inexpensive and quickly set up voltammetric procedure for the on-site determination of chlorite in drinking water networks is described. This procedure is suitable for the whole range of applications in drinking water plants. A useful cell for on-field analysis has been developed. Surface morphology and behaviour of carbon-based working electrodes have been investigated by voltammetry and atomic force microscopy (AFM). Actual samples of different types of water networks have been analysed for chlorite concentration.
ACCESSION #
14854132

 

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