| 火焰原子吸收和发射光谱法测定盐湖卤水中的钙 |
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| 引用本文： | 张桂芹,孙建之,马培华,王连亮,孙志中. 火焰原子吸收和发射光谱法测定盐湖卤水中的钙[J]. 光谱实验室, 2007, 24(3): 416-418 |
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| 作者姓名： | 张桂芹 孙建之 马培华 王连亮 孙志中 |
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| 作者单位： | 中国科学院青海盐湖研究所,西宁市新宁路18号,810008;中国科学院研究生院,北京市,100039;中国科学院青海盐湖研究所,西宁市新宁路18号,810008 |
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| 摘 要： | 在波长422.7nm下,用火焰原子吸收和发射光谱法测定了盐湖卤水中钙的含量,考察了酸度及共存离子对测定结果的影响,并对两种方法的优缺点进行了比较.结果表明,原子吸收光谱法受酸度及共存离子的影响较小,火焰发射光谱法测定钙的灵敏度比原子吸收光谱法高,两种方法的RSD均小于2%,加标回收率介于103.7%-107.2%.
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| 关 键 词： | 原子吸收光谱法 火焰发射光谱法 盐湖卤水 钙 |
| 文章编号： | 1004-8138(2007)03-0416-03 |
| 修稿时间： | 2006-01-22 |
Determination of Calcium Content of Salt Lakes Brine by Flame Atomic Absorption and Flame Emission Spectrometry |
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| ZHANG Gui-Qin,SUN Jian-Zhi,MA Pei-Hua,WANG Lian-Liang,SUN Zhi-Zhong. Determination of Calcium Content of Salt Lakes Brine by Flame Atomic Absorption and Flame Emission Spectrometry[J]. Chinese Journal of Spectroscopy Laboratory, 2007, 24(3): 416-418 |
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| Authors: | ZHANG Gui-Qin SUN Jian-Zhi MA Pei-Hua WANG Lian-Liang SUN Zhi-Zhong |
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| Affiliation: | 1 Qinghai Institute of Salt Lakes, The Chinese Academy of Science. , Xining,Qinghai 810008, P. R. China;2Graduate School of The Chinese Academy of Sciences, Beijing 100039 , P. R. China |
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| Abstract: | Calcium in brine of salt lakes was determined by both atomic absorption spectrometry and flame emission spectrometry at the wavelength of 422.7nm.The influences of acid and other ions on the results were discussed.The influence of acid in the method of absorption was slighter than that of emission and the sensitivity with flame emission is higher than with atomic absorption.The RSD's of two methods are both less than 2%,and the recoveries are in the range of 103.7% to 107.2%. |
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| Keywords: | Atomic Absorption Spectrometry Flame Emission Spectrometry Brine of Salt Lakes Calcium |
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