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Development of a portable electroanalytical system for the stripping voltammetry of metals: Determination of copper in acetic acid soil extracts
Tyndall National Institute, University College, Cork, Ireland.ORCID iD: 0000-0001-6889-0351
Tyndall National Institute, University College, Cork, Ireland.
Tyndall National Institute, University College, Cork, Ireland.
Tyndall National Institute, University College, Cork, Ireland.
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2005 (English)In: Analytica Chimica Acta, ISSN 0003-2670, E-ISSN 1873-4324, Vol. 552, no 1-2, 190-200 p.Article in journal (Refereed) Published
Abstract [en]

The development, characterisation and evaluation of a prototype portable electrochemical trace metal analyser are presented. The instrumentis a battery-powered microcontroller-based potentiostat, which implements anodic stripping voltammetry (ASV) at suitable sensor electrodes.It is capable of operating away from the laboratory, in the absence of an external power source and is usable by low-skilled personnel. Thedistinguishing feature of the instrument is its custom software, which enables sample pre-screening, data processing and sample dilution andstandard additions calculations to be carried out. The instrument has been evaluated by application of a methodology for the detection ofcopper in acetic acid soil extracts, both in the laboratory and in the field. Underpotential deposition staircase anodic stripping voltammetry(UPD-SCASV) of the copper at gold disk electrodes was used as a test method. There was good agreement between the instrument resultsand those from laboratory-based reference analytical methods for analyses carried out both in the laboratory and in the field.

Place, publisher, year, edition, pages
Elsevier, 2005. Vol. 552, no 1-2, 190-200 p.
Keyword [en]
Determination of metals; In-the-field analysis; Stripping voltammetry; Portable instrumentation; BCR; Soil analysis
National Category
Analytical Chemistry
Identifiers
URN: urn:nbn:se:liu:diva-92081DOI: 10.1016/j.aca.2005.07.058OAI: oai:DiVA.org:liu-92081DiVA: diva2:620090
Available from: 2013-05-07 Created: 2013-05-07 Last updated: 2017-12-06Bibliographically approved

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Beni, Valerio

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