Square Wave Anodic Stripping Voltammetry Determination of Arsenic (III) onto Carbon Electrodes by Means of Co-deposition with Silver

In the present study an electrochemical assay for the detection of arsenic (III) by means of square wave anodic stripping voltammetry with co-deposition of silver at screen printed and glassy carbon electrodes is presented. This methodology shows a good behavior in presence of dissolved oxygen with...

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Bibliographic Details
Published in:Journal of the Mexican Chemical Society 2018-01, Vol.62 (2), p.314-322
Main Authors: Méndez Cortés, Sandra Perla, Galán Vidal, Carlos Andrés, Rodríguez Ávila, José Antonio, Álvarez Romero, Giaan Arturo, Páez Hernández, María Elena
Format: Article
Language:English
Subjects:
Chemistry, Multidisciplinary
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Summary:In the present study an electrochemical assay for the detection of arsenic (III) by means of square wave anodic stripping voltammetry with co-deposition of silver at screen printed and glassy carbon electrodes is presented. This methodology shows a good behavior in presence of dissolved oxygen with appropriate detection limits to monitoring the water quality according to the guidelines values. The evaluation of most important interfering ions (Cl-, Hg2+, Pb2+ and Cu2+) is also described. The proposed analytical strategy demonstrated to be suitable for decentralized arsenic analysis and can be easily integrated to portable instrumentation commercially available.
ISSN:1870-249X
2594-0317
DOI:10.29356/jmcs.v62i2.430