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    Development of a portable electroanalytical system for the stripping voltammetry of metals: Determination of copper in acetic acid soil extracts

    Access Status
    Fulltext not available
    Authors
    Beni, V.
    Ogurtsov, V.
    Bakunin, N.
    Arrigan, Damien
    Hill, M.
    Date
    2005
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Beni, V. and Ogurtsov, V. and Bakunin, N. and Arrigan, D. and Hill, M. 2005. Development of a portable electroanalytical system for the stripping voltammetry of metals: Determination of copper in acetic acid soil extracts. Analytica Chimica Acta. 552 (1-2): pp. 190-200.
    Source Title
    Analytica Chimica Acta
    DOI
    10.1016/j.aca.2005.07.058
    Additional URLs
    http://www.sciencedirect.com/science/article/pii/S0003267005013371
    ISSN
    0003-2670
    URI
    http://hdl.handle.net/20.500.11937/41453
    Collection
    • Curtin Research Publications
    Abstract

    The development, characterisation and evaluation of a prototype portable electrochemical trace metal analyser are presented. The instrument is 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. The distinguishing feature of the instrument is its custom software, which enables sample pre-screening, data processing and sample dilution and standard additions calculations to be carried out. The instrument has been evaluated by application of a methodology for the detection of copper 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 results and those from laboratory-based reference analytical methods for analyses carried out both in the laboratory and in the field.

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