| ICP-AES法测定高纯铅中痕量的铁、镉、镍 |
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| 引用本文： | 刘莹晶. ICP-AES法测定高纯铅中痕量的铁、镉、镍[J]. 福建分析测试, 2010, 19(1): 60-63 |
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| 作者姓名： | 刘莹晶 |
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| 作者单位： | 广东韶关冶炼厂,广东韶关,512024 |
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| 摘 要： | 本文建立了在电感耦合等离子体光谱仪上测定高纯铅中痕量铁、镉、镍的方法。采用硝酸溶解试样,用硫酸沉淀大量基体铅,在5%硝酸介质中用ICP-AES法测定上层清液,并对该方法的检出限、沉淀吸附、准确度、精密度等做了实验,测定范围为0.00002%-0.0005%,回收率为97%-107%,变异系数2%。该方法操作简便快捷,适合日常生产分析。
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| 关 键 词： | 高纯铅 电感耦合等离子体原子发射光谱法 回收率 精密度 变异系数 |
Determination of Trace Iron, Cadmium,Nickel in High Purity Lead Ingot by ICP-AES |
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| Liu Ying-Jing. Determination of Trace Iron, Cadmium,Nickel in High Purity Lead Ingot by ICP-AES[J]. Fujian Anal Ysis & Testing, 2010, 19(1): 60-63 |
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| Authors: | Liu Ying-Jing |
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| Affiliation: | Shaoguan Smelter;Shaoguan;Guangdong512024;China |
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| Abstract: | In this paper a determination method of trace iron,cadmium,nickel in high purity lead ingot is built by ICP-AES.In this method the sample is dissolved by nitric acid,matrix lead is precipitated by sulfuric acid and the sample is measured in 5% nitric acid medium by ICP-AES.The detection limit,sediment adsorption,accuracy and precision experiments are done.The measurement range of this method was 0.00002%-0.0005%.The recoveries was 97%-107%,and the coefficient of variation was smaller than 2%.The operation o... |
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| Keywords: | high purity lead ingot ICP-AES recovery precision coefficient of variation |
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