| 析相萃取火焰原子吸收法测定矿样中的锌 |
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| 引用本文： | 杨祥,韩鸿印,陈文武,张新华,汤志勇,金泽祥.析相萃取火焰原子吸收法测定矿样中的锌[J].光谱学与光谱分析,2004,24(3):363-365. |
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| 作者姓名： | 杨祥 韩鸿印 陈文武 张新华 汤志勇 金泽祥 |
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| 作者单位： | 中国地质大学材料科学与化学工程学院,湖北,武汉,430074;中国地质大学材料科学与化学工程学院,湖北,武汉,430074;中国地质大学材料科学与化学工程学院,湖北,武汉,430074;中国地质大学材料科学与化学工程学院,湖北,武汉,430074;中国地质大学材料科学与化学工程学院,湖北,武汉,430074;中国地质大学材料科学与化学工程学院,湖北,武汉,430074 |
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| 基金项目： | 中国地质大学学术交流基金资助 |
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| 摘 要： | 非离子表面活性剂的水溶液在温度升高达到其浊点时会形成胶束相析出。文章研究了利用其浊点使待测离子的络合物富集在胶束内一起析出 ,进行析相萃取分离富集后 ,应用火焰原子吸收光谱法测定矿样中锌的新方法 ;着重讨论了采用TritonX 10 0做析相剂、正辛醇降低浊点和析出相的密度以及络合剂的选择、酸度及振荡次数的影响等析相萃取条件。方法检出限为 0 0 0 5 μg·mL-1。用于岩矿中锌的分析测定 ,结果令人满意
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| 关 键 词： | 析相萃取 火焰原子吸收 锌 |
| 文章编号： | 1000-0593(2004)03-0363-03 |
| 修稿时间： | 2002年4月2日 |
Determination of Zinc in Mineral by FAAS after Phase Separation and Extraction |
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| YANG Xiang,HAN Hong-yin,CHEN Wen-wu,ZHANG Xin -hua,TANG Zhi-yong,JIN Ze-xiang College of Materials Science and Chemical Engineering,China Universit y of Geosciences,Wuhan ,China.Determination of Zinc in Mineral by FAAS after Phase Separation and Extraction[J].Spectroscopy and Spectral Analysis,2004,24(3):363-365. |
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| Authors: | YANG Xiang HAN Hong-yin CHEN Wen-wu ZHANG Xin -hua TANG Zhi-yong JIN Ze-xiang College of Materials Science and Chemical Engineering China Universit y of Geosciences Wuhan China |
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| Institution: | College of Materials Science and Chemical Engineering, China University of Geosciences, Wuhan, China. |
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| Abstract: | Non-ion surface active agent can be separated from its solution of water by heating to its cloud point. A new method for the determination of zinc in mineral samples by flame atomic absorption spectrophotometer after phase separation and extraction making use of its cloud point was studied in this paper. The conditions of phase separation and extraction such as using Triton X-100 as phase separation agent, and octanol to drop the cloud point, and the influence of acidity and the number of times for oscillating were discussed. The detection limit was 0.005 microg x mL(-1). This method has been applied to the determination of zinc in ores with satisfactory results. |
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| Keywords: | Phase separation and extraction Flame atomic absorption spectrophotometer Zinc |
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