| 微型氢化物发生-原子吸收光谱法测定纺织品中的痕量砷和锑 |
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| 引用本文： | 卫碧文,缪俊文,张宁,龚治湘,张洪亮.微型氢化物发生-原子吸收光谱法测定纺织品中的痕量砷和锑[J].分析试验室,2009,28(3). |
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| 作者姓名： | 卫碧文 缪俊文 张宁 龚治湘 张洪亮 |
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| 作者单位： | 1. 上海出入境检验检疫局,上海,200135
2. 东华理工学院应用化学系,临川,344000 |
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| 摘 要： | 采用三毛细管微型在线氢化发生技术和装置, 建立了氢化物发生-电热石英管原子吸收法测定纺织品中痕量As、 Sb的分析方法. 研究了共存离子对As、 Sb检测的干扰及消除方法. 结果表明: 该方法除Co、 Sn对As和Ni对Sb有干扰外, 其它干扰元素允许量都较大. 采用酒石酸和KI混合掩蔽剂可抑制Co、 Sn对As和Ni对 Sb的干扰. As和Sb的检出限分别为0.7和0.4 ng/L, 已用于测定纺织品中痕量As和Sb的分析.
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| 关 键 词： | 微型氢化物发生 电热原子吸收法 As、Sb 纺织品 |
Determination of trace arsenic and antimony in textiles by miniature hydride generation atomic absorption spectrometry |
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| WEI Bi-wen,MIAO Jun-wen,ZHANG Ning,GONG Zhi-xiang,ZHANG Hong-liang.Determination of trace arsenic and antimony in textiles by miniature hydride generation atomic absorption spectrometry[J].Chinese Journal of Analysis Laboratory,2009,28(3). |
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| Authors: | WEI Bi-wen MIAO Jun-wen ZHANG Ning GONG Zhi-xiang ZHANG Hong-liang |
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| Institution: | 1. Shanghai Entry-Exit Inspection and Quarantine Bureau;Shanghai 200135;2. Department of Applied Chemistry;East China Institute of Technology;Linchuan 344000 |
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| Abstract: | Using miniature hydrogenate generation equipment, a method for the determination of trace arsenic and antimony in textiles by hydride generation-electrothermal quartz tube atomic absorption spectrometry was developed. The experimental conditions and the effect of interference ions as well as the elimination method of interference were studied. The results showed that the method has high sensitivity, little interference (The detection limit of arsenic is 0.7 ng/L and antimony is 0.4 ng/L). It is a good metho... |
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| Keywords: | Miniature hydride generation Electrothermal atomic absorption spectrometry Arsenic and antimony Textiles |
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