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    Please use this identifier to cite or link to this item: http://ir.cnu.edu.tw/handle/310902800/23176

    標題: 化妝製品中甲醛測定方法之研究
    Determination of FOrmaldebyde in Cosmetics
    作者: 戴火木
    貢獻者: 應用化學科
    關鍵字: 高效能液相層分析法
    日期: 1994
    上傳時間: 2010-11-10 18:22:18 (UTC+8)
    摘要: 本研究提供一簡單且快速的方法測定化妝品中甲醛的含量。本法中樣品以THF-H2O(9:1,V/V)溶液溶解之,其內所含之甲醛直接與2,4-二硝基苯肼(2,4-dinitrophenylhydrazine簡稱2,4-DNPH)反應,並以逆相層析管柱分離反應之生成物,所用移動相為CH3CN:H2O(1:1)並以紫外光偵檢器(352mm)檢測之。本法再線性良好,化妝品中各成分亦不會干擾甲醛之檢測。實驗結果顯示所測試之市售化妝製品中百分之六十含有甲醛,其濃度範圍為8.5~983.5mm。
    關聯: 嘉南學報 20期:p.177-185
    Appears in Collections:[嘉南學報] 20期 (1994)
    [醫藥化學系 ] 期刊論文

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