双道原子荧光法测定食品和化妆品及饮用水中的砷和汞
原子荧光法,,双道原子荧光法；同时测定；食品；化妆品；水；砷和汞,1材料和方法,2结果与分析,参考文献：
摘要：目的 建立一种快速消解并同时测定食品、化妆品、水；砷和汞的方法。 方法 食品、化妆品采用微波消解，水采用溴酸钾—溴化钾消解，双道氢化物发生原子荧光法同时测定样品中砷和汞。 结果 方法检出限砷和汞分别为013、0043μg/L，平均回收率分别为1034%、944%，相对标准偏差分别为186%、320%。 结论 方法简便，快捷，准确，灵敏度高，应用双道氢化物发生原子荧光法可同时测定食品、化妆品、水中砷和汞含量。关键词：双道原子荧光法；同时测定；食品；化妆品；水；砷和汞
中图分类号：R99513 文献标识码：B 文章编号：1009-9727(2005)02-314-03
Simultaneous determination of arsenic and mercury from food and cosmetics and water by using double tracts atomic fluorescent method ZHANG Gui1, HU Xiao-ling1, WU Bo-wen2 (Zhuhai Municipal Center for Disease Control and Prevention, Zhuhai 519000, Guangdong, P R China)
Abstract:Objective To establish a method for simultaneous determining arsenic(As)and Mercury(Hg) in food,cosmetics and water Methods The food and cosmetics were dissolved by microwave and the water were dissolved by bromatebromide potassium;the As and Hg in them were simultaneously determined by doublechannel hydride generationatomic fluorescencece spectrometry ......
您现在查看是摘要页，全文长 7855 字符。