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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 >  Lead determination in whole blood by laser ablation coupled with inductively coupled plasma mass spectrometry


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/61834


    Title: Lead determination in whole blood by laser ablation coupled with inductively coupled plasma mass spectrometry
    Authors: Hsieh HF;Chang WS;Hsieh YK;Wang CF
    教師: 王竹方
    Date: 2009
    Publisher: Elsevier
    Relation: TALANTA, Volume: 79, Issue: 2, Pages: 183-188
    Keywords: Blood
    Lead
    Laser ablation
    Inductively coupled plasma mass spectrometry
    Abstract: This work describes a simple procedure for blood lead level determination. The proposed method requires little sample pretreatment and subsequent direct analysis of a dried blood spot on a filter membrane using laser ablation coupled with inductively coupled plasma mass spectrometry (LA-ICP-MS). In general, LA-ICP-MS studies are somewhat limited by the lack of matrix-matched standards for calibration purposes. Here we. describe aqueous standard calibration and matrix-matched calibration methods. This method was validated by analysis of the reference materials. With the matrix-matched calibration method, the recovery ranged from 97.8% to 112.8%, while the aqueous standard calibration method ranged 90.4% to 122.4%. The lower detection limit was estimated as 0.1 ng mL(-1). The determination precision, expressed as the relative standard deviation (RSD), was not worse than 10% for all results. A sample throughput of approximately 5 min per sample made it possible to rapidly screen a large number of samples.
    URI: http://www.elsevier.com/
    http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/61834
    Appears in Collections:[生醫工程與環境科學系] 期刊論文

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