食品科学 ›› 2001, Vol. 22 ›› Issue (1): 68-70.

• 分析检测 • 上一篇    下一篇

氢化物发生-原子荧光光谱法测定茶叶中的微量砷

 陈新焕, 傅明, 袁智能   

  1. 湖南出入境检验检疫局
  • 出版日期:2001-01-15 发布日期:2012-02-14

Micro Arsenic Assay in Tea by Hydride-generation Atomic Fluorescence Spectrometry

 CHEN  Xin-Huan, FU  Ming, YUAN  Zhi-Neng   

  • Online:2001-01-15 Published:2012-02-14

摘要: 建立了测定茶叶中砷含量的氢化物发生-原子荧光光谱法。方法灵敏度高,准确度好,线性范围为0~180ng/ml,相关系数0.9993,检出限4μg/kg,回收率90.0%~97.3%。

关键词: 氢化物发生, 原子荧光光谱法, 茶叶,

Abstract: An atmoic fluorescence spectrometry for the assay of micro arsenic content in tea was developed with high sensitivity and fine accuracy.The curve range was 0~180ng/ml with correlation coefficient 0.9993.The limit of detection was as low as 4μg/kg and the recovery rate was 90.0%~97.3%.

Key words: Hydride-generation Atomic fluorescence spectrometry Tea Arsenic