| 用原子荧光法测定医药制剂中的硒含量 |
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| 引用本文： | 张娟妮,张志峰,王长英,张联合,张敬华.用原子荧光法测定医药制剂中的硒含量[J].西安交通大学学报(医学版),2007,28(2):225-226. |
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| 作者姓名： | 张娟妮 张志峰 王长英 张联合 张敬华 |
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| 作者单位： | 1. 西安医学院公共卫生系,陕西西安,710068
2. 西安交通大学医学院公共卫生系中心实验室,陕西西安,710061 |
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| 摘 要： | 目的建立稳定可靠、简便易行的硒含量检测方法——原子荧光法。方法用HNO3-HC104混合酸消解样品,断续流动进样,在NaBH4-酸体系中以100 g/L K3Fe(CN)6为干扰抑制剂,采用氢化物发生-原子荧光法测定样品中硒含量。结果方法相对标准差小于5%,检出限质量浓度为0.81μg/L,加标回收率为93.1%-102.2%。结论原子荧光法测定医药制剂中的硒含量,操作简便易行,结果准确可靠,而且实验过程中采用的试管消化法优于常规电热板消化法。
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| 关 键 词： | 原子荧光 硒 氢化物 |
| 文章编号： | 1671-8259(2007)02-0225-02 |
| 修稿时间： | 2006-04-14 |
Determination of selenium in medicine preparation by atomic fluorescence spectrometry |
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| Zhang Juanni,Zhang Zhifeng,Wang Changying,Zhang Lianhe,Zhang Jinghua.Determination of selenium in medicine preparation by atomic fluorescence spectrometry[J].Journal of Xi‘an Jiaotong University:Medical Sciences,2007,28(2):225-226. |
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| Authors: | Zhang Juanni Zhang Zhifeng Wang Changying Zhang Lianhe Zhang Jinghua |
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| Abstract: | Objective To establish stable and convenient atomic fluorescence spectrometry to determine selenium concentration.Methods The samples were digested by nitric acid-perchloric acid and the selenium was determined by hydride generation-atomic fluorescence spectrometry with step-flow injection technology in NaBH4 acid and 100 g/L K3Fe(CN)6 system.Results The relative standard deviation of the method was less than 5%,the concentration of detection limits was 0.81 μg/L and the recovery rate ranged from 93.1% to 102.2%.Conclusion Atomic fluorescence spectrometry was convenient and reliable in determining solenium,the digest method of test tube was better than that of normal electrothermal board. |
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| Keywords: | atomic fluorescence selenium hydrid |
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