Publication detail

Gold-plated carbon paste electrodes for anodic stripping determination of arsenic

Authors: Chadim P | Švancara Ivan | Pihlar B | Vytřas Karel

Year: 2000

Type of publication: článek v odborném periodiku

Name of source: Collection of Czechoslovak Chemical Communications

Publisher name: Ústav organické chemie a biochemie AV ČR

Place: Praha

Page from-to: 1035-1046

Titles:

Language	Name	Abstract	Keywords
cze	Uhlíková pastová elektroda s vyloučeným zlatým filmem ke stanovení arsenu anodickou rozpouštěcí analýzou	Uhlíková pastová elektroda s vyloučeným zlatým filmem ke stanovení arsenu anodickou rozpouštěcí analýzou
eng	Gold-plated carbon paste electrodes for anodic stripping determination of arsenic	The applications of gold-plated carbon paste electrodes in anodic stripping voltammetry have been studied in an effort to develop a simple and effective method for the determination of arsenic in water samples. The investigations performed included the choice of supporting electrolyte composition, the optimisation of important experimental parameters, search for appropriate procedure to reduce As(V) to As(III), and some tests of practical applicability of the method, including interference studies. Under optimised conditions, the signal of As was linear within 5-50 mu g l(-1) with a detection limit of about 1 mu g l(-1) As (deposit ion time 10 min). Common elements or ions did not interfere except for Cu(II). The analytical performance of the method has been tested in recovery measurements with model solutions.	gold film electrode;carbon paste support;arsenic(III);arsenic(V);stripping voltammetry;electroreductions;electrochemistry

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