The Convenient Determination of Palladium at a Solid Electrode via Adsorptive Stripping Voltammetry at a Glassy Carbon Electrode Modified with a Random Array of Mercury Nanodroplets

Abiman, P, Wildgoose, GG, Xiao, L and Compton, RG (2008) The Convenient Determination of Palladium at a Solid Electrode via Adsorptive Stripping Voltammetry at a Glassy Carbon Electrode Modified with a Random Array of Mercury Nanodroplets. Electroanalysis, 20 (14). pp. 1607-1609. ISSN 1521-4109

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Abstract

The detection of palladium using adsorptive stripping voltammetry reported by Wang et al. (J. Wang, K. Varughese Anal. Chim. Acta 1987, 199, 185 [3]) at a hanging mercury drop electrode is extended to a more convenient solid electrode. To this end a random array of 3.5×108 mercury nanodroplets per cm2 (65 nm average diameter) was electrodeposited on a glassy carbon substrate. Adsorptive stripping voltammetry was performed using 2×10-4 M dimethylglyoxime as a chelating agent for the Pd(II) ion, with accumulation at -0.20 V vs. SCE for 120 s and a linear detection range of 5–150 µM was determined with a limit of detection of 1.6 µM.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
Related URLs:
Depositing User: Rachel Smith
Date Deposited: 29 Mar 2011 16:02
Last Modified: 21 Apr 2020 17:52
URI: https://ueaeprints.uea.ac.uk/id/eprint/27492
DOI: 10.1002/elan.200804244

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