| 氢化物发生-原子荧光光谱法测定三氧化二锑中锡 |
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| 引用本文： | 于力,汤淑芳.氢化物发生-原子荧光光谱法测定三氧化二锑中锡[J].岩矿测试,2009,28(2):185-187. |
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| 作者姓名： | 于力 汤淑芳 |
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| 作者单位： | 北京矿冶研究总院,北京,100044 |
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| 摘 要： | 500℃时在锌粉、氯化铵存在下,锑以三氯化锑形式被挥发除去,锡与锌形成锌-锡合金留在残渣中,从而消除锑对锡的干扰。在10%(体积分数)的盐酸介质中,硼氢化钾将锡(Ⅱ)还原成四氢化锡,用氢化物发生-原子荧光光谱法测定锡的荧光强度。方法检出限为0.20 mg/kg,精密度(RSD,n=7)为3.73%,回收率为91.0%~104.5%。
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| 关 键 词： | 锡 氢化物发生 原子荧光光谱法 三氧化二锑 |
| 收稿时间： | 9/8/2008 12:00:00 AM |
| 修稿时间： | 2008/12/20 0:00:00 |
Determination of Tin in Antimony Trioxide by Hydride Generation-Atomic Fluorescence Spectrometry |
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| YU Li and TANG Shu-fang.Determination of Tin in Antimony Trioxide by Hydride Generation-Atomic Fluorescence Spectrometry[J].Rock and Mineral Analysis,2009,28(2):185-187. |
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| Authors: | YU Li and TANG Shu-fang |
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| Institution: | Beijing General Research Institute of Mining & Metallurgy;Beijing General Research Institute of Mining & Metallurgy |
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| Abstract: | A method for the determination of tin in antimory trioxide by hydride generation-atomic fluorescence spectrometry was proposed,which base on the Sn(Ⅱ) reduced to SnH4 by potassium borohydride in the media of 10% hydrochloric acid.At 500 ℃ and in the existence of ammonium chloride and zinc,antimony was transformed to volatile antimony trichloride and them removed.Tin and zinc was formed to zinc-tin alloy and remained in the residue,so as to eliminate the interference of antimony on the determination of tin.The detection limit of the method for tin is 0.20 mg/kg and recovery is 91.0%～104.5% with precision of 3.73%RSD(n=7). |
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| Keywords: | tin hydride generation atomic fluorescence spectrometry antimony trioxide |
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