Determinations of Total Mercury in Drinking Water and of Methylmercury in Air by Graphite-Furnace Actomic Absorption Spectrophotometry Using 2, 3-Dimercaptopropane-1-sulfonate as a Complexing Agent

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抄録

The mercury (5 - 100 ng of Hg2+ and/or CH3Hg+) in drinking water (25 ml) containing 2,3-dimercaptopropane-1-sulfonate (DMPS, 15 µg) and sodium acetate buffer (1 mmol, pH=6.0) was concentrated on two Sep-Pak C18 cartridges in series. The mercury-DMPS complex was then eluted with methanol and adjusted to 2.00 ml. A portion (50 µl) was introduced into a graphite cuvette and was atomized according to a temperature program. The method detection limit (3 σ) was 0.053 μg/l; the calibration graphs were linear up to 4.00 μg/l. Accuracies of 97.4 - 99.3% were obtained when testing a synthetic natural water standard (Standard Reference Material 1641c). The proposed method could be applied to the determination of methylmercury in air with a detection limit of 1.3 ng.

収録刊行物

  • Analytical sciences : the international journal of the Japan Society for Analytical Chemistry

    Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 14(5), 983-986, 1998-10-10

    社団法人 日本分析化学会

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各種コード

  • NII論文ID(NAID)
    10002417452
  • NII書誌ID(NCID)
    AA10500785
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09106340
  • NDL 記事登録ID
    4577000
  • NDL 雑誌分類
    ZP4(科学技術--化学・化学工業--分析化学)
  • NDL 請求記号
    Z54-F482
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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