Studies on the Determination of Cadmium in Tibetan Pharmaceuticals by Graphite Furnace Atomic Absorption Spectrometry

›› 2009, Vol. 11 ›› Issue (S1): 10-12.

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Studies on the Determination of Cadmium in Tibetan Pharmaceuticals by Graphite Furnace Atomic Absorption Spectrometry

LI Bao-hai, YU Yao-bing, QIU Cheng, SHI Yi-yi, YANG Yong-li

(Agricultural Products Quality Supervision and Testing Center(Lhasa), Ministry of Agriculture, |Lhasa |850032, China)

Received:2009-08-15 Revised:2009-10-20 Online:2009-12-16 Published:2009-12-15

石墨炉原子吸收光谱法检测藏药材中镉的研究

李宝海,余耀斌,邱城,史一一,杨永利

(农业部农产品质量监督检验测试中心(拉萨), 拉萨 850032)

作者简介:李宝海,研究员,主要从事农产品检测研究。E-mail:lbh0891@163.com

Abstract

Abstract:

After decomposition of Tibetan pharmaceuticals by either dry ashing method or wet digestion method, cadmium in Tibetan pharmaceuticals was determined by graphite furnace atomic absorption spectrometry. The results indicated that the method is simple, rapid and accurate with pretreating and determinating by wet digestion method. The extraction recoveries were between 95.0% and 103.0% with relative standard deviations of less than 1%.

Key words: graphite furnace atomic absorption spectrometry(GFAAS), Tibetan pharmaceuticals, cadmium

摘要：

采用湿法消解和干法灰化两种方法消解,通过石墨炉原子吸收光谱法检测藏药中镉的含量。实验发现,湿法消解处理测定样品的方法简便、快速、准确,回收率达到95.0%~103.0%,RSD小于1%。

关键词: 石墨炉原子吸收光谱法;藏药;镉

CLC Number:

S816.17

LI Bao-hai, YU Yao-bing, QIU Cheng, SHI Yi-yi, YANG Yong-li. Studies on the Determination of Cadmium in Tibetan Pharmaceuticals by Graphite Furnace Atomic Absorption Spectrometry[J]. , 2009, 11(S1): 10-12.

李宝海,余耀斌,邱城,史一一,杨永利. 石墨炉原子吸收光谱法检测藏药材中镉的研究[J]. , 2009, 11(S1): 10-12.

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Studies on the Determination of Cadmium in Tibetan Pharmaceuticals by Graphite Furnace Atomic Absorption Spectrometry

石墨炉原子吸收光谱法检测藏药材中镉的研究

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