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电感耦合等离子体发射光谱法直接测定铜矿石中银铜铅锌
引用本文:徐进力,邢夏,张勤,白金峰.电感耦合等离子体发射光谱法直接测定铜矿石中银铜铅锌[J].岩矿测试,2010,29(4):377-382.
作者姓名:徐进力  邢夏  张勤  白金峰
作者单位:中国地质科学院地球物理地球化学勘查研究所,河北,廊坊,065000
摘    要:采用硝酸-氢氟酸-高氯酸混合酸消化处理样品,电感耦合等离子体发射光谱法同时测定了铜矿石中的银、铜、铅和锌。较系统地研究了仪器的最佳化工作参数,采用基体匹配和校正因子相结合的办法校正样品的基体干扰和光谱干扰。方法检出限为:银3.15μg/g,铜4.00μg/g,铅12.0μg/g,锌6.00μg/g(稀释因子500),精密度(RSD,n=12)在0.38%~4.55%。方法经国家一级多金属矿石标准物质验证,测定值与标准值吻合,结果准确可靠。

关 键 词:铜矿石          电感耦合等离子体发射光谱法
收稿时间:2010/1/12 0:00:00
修稿时间:4/6/2010 12:00:00 AM

Direct Determination of Silver, Copper, Lead and Zinc in Copper Ores by Inductively Coupled Plasma-Atomic Emission Spectrometry
XU Jin-li,XING Xi,ZHANG Qin and BAI Jin-feng.Direct Determination of Silver, Copper, Lead and Zinc in Copper Ores by Inductively Coupled Plasma-Atomic Emission Spectrometry[J].Rock and Mineral Analysis,2010,29(4):377-382.
Authors:XU Jin-li  XING Xi  ZHANG Qin and BAI Jin-feng
Institution:Institute of Geophysical & Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, China;Institute of Geophysical & Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, China;Institute of Geophysical & Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, China;Institute of Geophysical & Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, China
Abstract:Copper ore samples were digested with HNO3-HCl-HClO4 mixed acid and silver,copper,lead and zinc in sample solutions were then directly determined by inductively coupled plasma-atomic emission spectrometry(ICP-AES).The determination parameters were systematically studied and optimized.Matrix matching and correction factor methods were used for the correction of matrix effect and spectral interference.The detection limits of the method(dilution factor=500) were 3.15 μg/g for Ag,4.00 μg/g for Cu,12.0 μg/g for Pb and 6.00 μg/g for Zn.The reliability of the method has been tested by determination of these elements in polymetallic ore National Standard Reference samples and the results are in agreement with the certified values with precisions of 0.38%~4.55%RSD(n=12).
Keywords:copper ore  silver  copper  lead  zinc  inductively coupled plasma-atomic emission spectrometry
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