| FAAS法测定人尿中锂的研究 |
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| 引用本文： | 赖家平,姚廷伸.FAAS法测定人尿中锂的研究[J].四川师范大学学报(自然科学版),1992(5). |
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| 作者姓名： | 赖家平 姚廷伸 |
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| 作者单位： | 四川师范大学化学系
(赖家平)，四川师范大学化学系(姚廷伸) |
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| 摘 要： | 本文试验了40种无机离子和20种有机物对锂吸收信号的影响.在给定浓度范围内,无机离子对尿中锂的测定无干扰(α=0.05).有机物的干扰采用NNO_3-H_2O_2湿法消解样品来消除.本文获得的特征浓度(1%吸光度)为0. 04μg/ml,7次测定的R.S.D为5.9%.
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| 关 键 词： | 锂 测定 尿 火焰原子吸收光谱 |
STUDY OF DETERMINATION OF LITHIUM IN URINE BY FLAME ATOM ABSORPTION SPECTROMETRY |
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| Lai Jiaping,Yao Tingshen.STUDY OF DETERMINATION OF LITHIUM IN URINE BY FLAME ATOM ABSORPTION SPECTROMETRY[J].Journal of Sichuan Normal University(Natural Science),1992(5). |
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| Authors: | Lai Jiaping Yao Tingshen |
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| Institution: | Lai Jiaping;Yao Tingshen Department of Chemistry |
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| Abstract: | In this paper, influences of 40 inorganic ions and 20 organic substances on absorption of lithium are studied, showing ex-perimently that these inorganic ions do not influence the determination of lithium in given range of concentration. The influ-ences of organic substances in urine are eliminated by wet-digestion with HNO_3--H_2O_2. The characteristic concentration of themeans (1% absortion) is 0.04 ug/ml and R S D of 7 measurements to digestion urine samples is 5.9%. |
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| Keywords: | lithium determination urine FAAS |
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