| 火焰原子吸收法测定茜素中的K、Na、Ca |
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| 引用本文： | 褚连青,王奕,王金钢.火焰原子吸收法测定茜素中的K、Na、Ca[J].光谱学与光谱分析,1999,19(4):625-626. |
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| 作者姓名： | 褚连青 王奕 王金钢 |
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| 作者单位： | 电子部第46研究所,300192,天津 |
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| 摘 要： | 本文对茜素中微量元素钾、钠、钙的火焰原子吸收法的测定进行了研究，结果表明：方法简单，具有很好的精密度和准确度。钾、钠、钙的相对标准偏差分别为：４．４％、２．５％和３．７％。回收率分别为９７．５％，９８．３％和９８．１％。
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| 关 键 词： | 茜素 钾 钠 钙 火焰原子吸收法 |
Determination of K、Na and Ca in Alizarin by Flame Atomic Absorption Spectrophotometry |
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| Lianqing CHU,Yi WANG,Jingang WANG.Determination of K、Na and Ca in Alizarin by Flame Atomic Absorption Spectrophotometry[J].Spectroscopy and Spectral Analysis,1999,19(4):625-626. |
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| Authors: | Lianqing CHU Yi WANG Jingang WANG |
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| Institution: | The 46th Institute of Industrial Department, 300192 Tianjin. |
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| Abstract: | This paper reports the development of the determination of trace metals K,Na and Ca in alizarin.The method is convenient to determine elements in alizarin by flame atom absorption spectrophotometry.The results show that the method has good precision and accuracy.The relative standard deviations of K,Na and Ca are 4 4%,2 5% and 3 7%,respectively,and the rates of recovery are 97 5%,98 3% and 98 1% respectively. |
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| Keywords: | Alizarin K Na Na Ca Flame atomic absorption spectrophotometry |
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