| 还原、沉淀分离ICP-AES法测定纯银中20个杂质元素 |
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| 引用本文： | 刘伟,方卫,何姣,李光俐,王应进.还原、沉淀分离ICP-AES法测定纯银中20个杂质元素[J].贵金属,2009,30(1). |
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| 作者姓名： | 刘伟 方卫 何姣 李光俐 王应进 |
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| 作者单位： | 贵研铂业股份有限公司,云南,昆明,650106 |
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| 摘 要： | 采用还原、沉淀分离ICP-AES法测定纯银中20个杂质元素:Al、As、Au、Bi、Cd、Co、Cr、Cu、Fe、 Mg、 Mn、 Ni、Pb、Pt、Pd、Sb、Se、Sn、Te和Zn.方法的相对标准偏差(RSD)和加标回收率分别为0.9%～6.9%和93%～108%;方法准确、快速、简便,已用于纯银中杂质元素的分析.
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| 关 键 词： | 分析化学 还原 沉淀 纯银 杂质元素. |
Separation with Reduction and Precipitation for Determination of 20 Impurities in Pure Silver by ICP-AES |
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| LIU Wei,FANG Wei,HE Jiao,LI Guangli,WANG Yingjin.Separation with Reduction and Precipitation for Determination of 20 Impurities in Pure Silver by ICP-AES[J].Precious Metals,2009,30(1). |
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| Authors: | LIU Wei FANG Wei HE Jiao LI Guangli WANG Yingjin |
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| Affiliation: | Sino-Platinum Metals Co.Ltd.;Kunming;Yunnan 650106;China |
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| Abstract: | A new method of separation with reduction and precipitation for determination of 20 impurities including Al,As,Au,Bi,Cd,Co,Cr,Cu,Fe,Mg,Mn,Ni,Pb,Pt,Pd,Sb,Se,Sn,Te and Zn in pure silver by ICP-AES was developed.The RSD and recoveries of the method are in the range of 0.9%~6.9% and 93%~108%,respectively.The method is accurate,rapid and convenient and has been applied to the analysis of impurities in pure silver. |
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| Keywords: | ICP-AES |
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