| 微波消解石墨炉原子吸收法测定葛粉中的铅 |
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| 引用本文： | 刘光华. 微波消解石墨炉原子吸收法测定葛粉中的铅[J]. 中国当代医药, 2011, 18(25): 44-45 |
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| 作者姓名： | 刘光华 |
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| 作者单位： | 湖南省益阳市资阳区疾病预防控制中心,湖南,益阳,413001 |
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| 摘 要： | 目的：建立葛粉中铅含量的测定方法。方法：采用微波消解法处理葛粉样品,加入20.0g/L磷酸二氢铵作为基体改进剂,用石墨炉原子吸收分光光度法测定铅含量。结果：加标回收率为95.23%～101.10%,RSD=4.68（n=6）,检出限为10μg/kg。结论：该法简单、快速、准确,可用于葛粉中铅的测定。
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| 关 键 词： | 微波消解 石墨炉原子吸光谱法 葛粉 铅 |
Microwave digestion graphite furnace atomic absorption spectrometry of lead in arrowroot powder |
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| LIU Guanghua. Microwave digestion graphite furnace atomic absorption spectrometry of lead in arrowroot powder[J]. http://www.botanicus.org/, 2011, 18(25): 44-45 |
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| Authors: | LIU Guanghua |
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| Affiliation: | LIU Guanghua CDC of Ziyang District,Hunan Province,Yiyang 413001,China |
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| Abstract: | Objective：To establish method for determination of lead in arrowroot powder.Methods：The arrowroot sample was processed with microwave digestion.20.0 g/L ammonium dihydrogen phosphate was added to the sample as matrix modifier and graphite furnace atomic absorption spectrometry was used to determine lead content.Results：The recovery was 95.23%-101.10%,RSD=4.68（n=6）,and the detection limit was 10 μg/kg.Conclusion：The method is simple,fast and accurate,and can be used for determination of lead in arrowroot. |
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| Keywords: | Microwave digestion Graphite furnace atomic absorption spectrometry Arrowroot powder Lead |
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