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A Novel Voltammetric Method for the Determination of Maleic Acid Using Silver Amalgam Paste Electrode
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SYSNO ASEP 0329271 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title A Novel Voltammetric Method for the Determination of Maleic Acid Using Silver Amalgam Paste Electrode Author(s) Niaz, A. (PK)
Fischer, J. (CZ)
Barek, J. (CZ)
Josypčuk, Bohdan (UFCH-W) RID, SAI, ORCID
Sirajuddin, C. (PK)
Bhanger, M. I. (PK)Source Title Electroanalysis. - : Wiley - ISSN 1040-0397
Roč. 21, č. 15 (2009), s. 1719-1722Number of pages 4 s. Language eng - English Country DE - Germany Keywords voltammetry ; maleic acid ; silver amalgam paste electrode Subject RIV CG - Electrochemistry R&D Projects LC06035 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) GA203/07/1195 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z40400503 - UFCH-W (2005-2011) UT WOS 000268790300009 DOI 10.1002/elan.200904655 Annotation An efficient voltammetric method was developed for the determination of maleic acid at a silver amalgam paste electrode (AgA-PE) in Britton-Robinson buffer pH2.0. The experimental parameters, such as pH of BrittonRobinson buffer, type of the supporting electrolyte and activation of the electrode surface were optimized. Under the optimal conditions, a linear response was observed over the 2 x 10(-6) - 1 X 10(-4) mol L-1 maleic acid concentration range, determination limit being 5 x 10(-7) mol L-1. A highly stable response, with a relative standard deviation (RSD) of 1.6% for 45 repetitive measurements of I X 10-4 Mol L-1 maleic acid showed that there was no apparent surface passivation indicating the suitability of the method. The method was successfully applied for direct determination of maleic acid in drinking and river water. Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2010
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