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    National Tsing Hua University Institutional Repository > 原子科學院  > 生醫工程與環境科學系 > 期刊論文 >  Determination of arsenic and vanadium in airborne related reference materials by inductively coupled plasma-mass spectrometry


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/61819


    Title: Determination of arsenic and vanadium in airborne related reference materials by inductively coupled plasma-mass spectrometry
    Authors: Wang CF;Chang CY;Chin CJ;Men LC
    教師: 王竹方
    Date: 1999
    Publisher: Elsevier
    Relation: Analytica Chimica Acta, Volume 392, Issues 2-3, 21 June 1999, Pages 299-306
    Keywords: inductively coupled plasma mass spectrometry
    air particles
    high-pressure bomb digestion
    arsenic determination
    vanadium determination
    Abstract: This study investigated sample digestion techniques and instrumental interference in determining As and V in airborne related reference materials using inductively coupled plasma mass spectrometry (ICP-MS). Four reference materials, NIST SRM 1648 urban particulate matter, BCR Reference Material No. 176 city waste incineration ash, NIST SRM 2709 San Joaquin soil, and NIST SRM 1633b coal fly ash were dissolved by acid mixture high-pressure bomb digestion. A HNO3+H2O2+HF mixed acid digestion with a low temperature evaporation procedure is proposed as an effective sample pretreatment method for the determination of As in all samples. The addition of HF is required especially for dissolving geologically originated samples such as soil or dust. It was found that, with the proposed digestion procedure, the determinations of V are still unacceptable for highly chlorinated samples when using quadrupole ICP-MS. It was also proved that sector-field ICP-MS is sufficiently sensitive for the determination of V, and can be utilized as a valid tool to investigate the amount and direction of biased results obtained from ICP-MS.
    URI: http://www.elsevier.com/
    http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/61819
    Appears in Collections:[生醫工程與環境科學系] 期刊論文

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