锰的准液膜富集及原子吸收法测定 |
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引用本文: | 于惠芬,时军.锰的准液膜富集及原子吸收法测定[J].分析试验室,1998,17(1):66-68. |
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作者姓名: | 于惠芬 时军 |
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作者单位: | 长春师范学院化学系 |
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摘 要: | 本文利用准液膜法与火焰原子吸收法相结合测定锰,方法的精密度为1.9%,回收率为98.9%,可富集测定ng/g级的锰。本方法已用于人发,湖水和茶中锰的分析。
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关 键 词: | 准液膜富集 富集 锰 原子吸收法 |
Quasi Liquid Membrane Enrichment of Manganous ion in Environmental Sample and its Determination by Atomic Absorption Spectrometry |
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Abstract: | The method of determinat ion of trace manganous ion by using quasi liquid membrane and atomic absorption spectro photometry is described.The precision(RSD) and recovery are 1.9% and 98.9% respectively.Mn 2+ at ng/g level can be enriched. |
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Keywords: | Quasi liquid membrane enrichment manganous ion AAS |
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