| 钨盐涂覆-GFAAS法测定肿瘤患者体内痕量锂 |
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| 引用本文： | 周健,孙昕,窦红漫.钨盐涂覆-GFAAS法测定肿瘤患者体内痕量锂[J].光谱学与光谱分析,1999,19(4):604-606. |
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| 作者姓名： | 周健 孙昕 窦红漫 |
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| 作者单位： | 1. 安徽医科学大学附属医院骨科,230022,合肥
2. 安徽中医学院附院病理科,230039,合肥 |
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| 摘 要： | 钨盐涂覆处理石墨管，大幅度提高测定锂的灵敏度。配以（ＮＨ４）２ＳＯ４基体改进剂，消除生物基体干扰。特征浓度５．５３×１０－３μｇ·ｍＬ－１／１％，回收率大于９３．７２％，相对标准偏差小于８．９３％。
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| 关 键 词： | 钨涂覆石墨管 锂 |
Method for the Determination of Trace Li in Serum of Cancer Patients by Tungstate-coated Graphite Furnace Atomic Absorption Spectrometry |
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| Jian ZHOU and Xin SUN.Method for the Determination of Trace Li in Serum of Cancer Patients by Tungstate-coated Graphite Furnace Atomic Absorption Spectrometry[J].Spectroscopy and Spectral Analysis,1999,19(4):604-606. |
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| Authors: | Jian ZHOU and Xin SUN |
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| Institution: | Department of Orthopaedics, First Affiliated Hospital, Anhui Medical University, 230022 Hefei. |
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| Abstract: | Using a tungstate coated graphite tube. The sensitivity of Li was significantly increased and trace Li in serum samples was determined by Zeeman graphite AAS with (NH4)2SO4 as a matrix modifier. The effects of different metal ions and biological matrix were eliminated. The characteristic concentration is 5.53 x 10(-3) microg x mL(-/1)%. The recovery is greater than 93.72%. The relative standard deviation is less than 8.93%. |
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| Keywords: | Tungstate coated graphite tube Lithium |
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