| 石墨管涂覆-塞曼效应原子吸收法测定生物样品中微量钡 |
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| 引用本文： | 卜海富,孙昕,窦红漫.石墨管涂覆-塞曼效应原子吸收法测定生物样品中微量钡[J].光谱学与光谱分析,1999,19(5):726-727. |
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| 作者姓名： | 卜海富 孙昕 窦红漫 |
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| 作者单位： | 1. 安徽医科大学附院肿瘤实验室,230022,合肥
2. 安徽中医学院,230022,合肥 |
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| 摘 要： | 以钨盐涂覆石墨管提高测定生物样品中钡的灵敏度，以基体改进剂提高分析精度，显著延长石墨管使用寿命，方法简便快速，得到了较好的回怍率和精密度。
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| 关 键 词： | 钨涂覆管 原子吸收 钡 |
Determination of Trace Barium in Biological Samples by Zeeman Graphite AAS with Coated Graphite Tube |
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| Haifu PU,Xin SUN,Hongman DOU.Determination of Trace Barium in Biological Samples by Zeeman Graphite AAS with Coated Graphite Tube[J].Spectroscopy and Spectral Analysis,1999,19(5):726-727. |
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| Authors: | Haifu PU Xin SUN Hongman DOU |
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| Institution: | Oncology Laboratory, First Affiliated Hospital, Anhui Medical University, 230022 Hefei. |
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| Abstract: | Using a tungstate coated graphite tube,trace barium in biological samples was determined by Zeeman graphite AAS.The sensitivity of Ba can be significantly improved.The precision and the lifetime of graphite tube have been improved by adding matrix modifier.The method is simple.The recovery and precision are satisfactory. |
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| Keywords: | Tungstate coated graphite AAS Barium |
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