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    Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10259/5332

    Título
    Determination of aluminium using different techniques based on the Al(III)-morin complex
    Autor
    Domínguez Renedo, Olgauntranslated
    Navarro Cuñado, A. Martauntranslated
    Ventas Romay, Eduardo
    Alonso Lomillo, Mª Asunciónuntranslated
    Publicado en
    Talanta. 2019, V. 196, p. 131-136
    Editorial
    Elsevier
    Fecha de publicación
    2019-05
    ISSN
    0039-9140
    DOI
    10.1016/j.talanta.2018.12.048
    Abstract
    Three different methods for the determination of Al(III) in aqueous samples were compared. The different described procedures were based on the formation of the Al(III)-morin complex. UV–Vis spectrophotometry, spectrofluorimetry and differential pulse adsorptive stripping voltammetry (DPAdSV) techniques were compared under optimized experimental conditions. The DPAdSV method showed a better performance for the analysis of Al(III) in terms of capability of detection (70 nM) in comparison with the value obtained for UV–Vis spectrophotometric (300 nM) and spectrofluorimetic (110 nM) techniques. Thus, DPAdSV method was selected for the analysis of aluminium in river, tap and bottled water samples under the following optimized experimental conditions: pH = 4.4, deposition potential = +243 mV, deposition time = 210 s, giving satisfactory results.
    Palabras clave
    Aluminium
    Morin
    Stripping voltammetry
    UV–Vis spectroscopy
    Fluorescence
    Water samples
    URI
    http://hdl.handle.net/10259/5332
    Versión del editor
    https://doi.org/10.1016/j.talanta.2018.12.048
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