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流动注射氢化物发生原子荧光法测定中药中的微量As、Hg
引用本文:谢永臻,庄峙厦,张志刚,杨成隆,黄本立,刘明钟.流动注射氢化物发生原子荧光法测定中药中的微量As、Hg[J].分析科学学报,1997,13(4):296-299.
作者姓名:谢永臻  庄峙厦  张志刚  杨成隆  黄本立  刘明钟
作者单位:厦门大学化学系材料与生命过程分析科学国家教委开放实验室,北京海光仪器公司
摘    要:建立了一套流动注射-氢化物发生-原子荧光测定中药样品中微量As、Hg的方法,研究了酸度、NaBH4浓度、载气流速等条件对检出限的影响.在优化的工作条件下,对砷、汞的检出限分别为0.1ng/mL和0.02ng/mL.本法具有操作简便、快速,灵敏度高等优点,可用于中药样品中微量As、Hg的测定.

关 键 词:流动注射  氢化物发生  原子荧光      中药

Determination of As, Hg in Traditional Chinese Medicine by FI Hydride Generation Atomic Fluorescence
Xie Yongzhen,Zhuang Zhixia,Yang Chenglong,Zhang Zhigang,Yang Pengyuan,Huang Benli.Determination of As, Hg in Traditional Chinese Medicine by FI Hydride Generation Atomic Fluorescence[J].Journal of Analytical Science,1997,13(4):296-299.
Authors:Xie Yongzhen  Zhuang Zhixia  Yang Chenglong  Zhang Zhigang  Yang Pengyuan  Huang Benli
Institution:Xie Yongzhen,Zhuang Zhixia,Yang Chenglong,Zhang Zhigang,Yang Pengyuan,Huang Benli *
Abstract:Determination of As and Hg in traditional Chinese medicines by FI HG AFS has been performed, operation conditions such as acidity, NaBH 4 concentration and carrier flow rate which affected sensitivity have been optimized. The detection limits are 0.1 and 0.02ng/mL for As and Hg, respectively, under optimum conditions. The method has the advantages of simple operation, high sensitiveity and high sample throughput. The results obtained with the present method have been proved by the recovery test of standard addition to real sample.
Keywords:Flow injection  Hydride generation  Atomic fluorescence  As  Hg  Traditional Chinese medicines
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