| 黑钨精矿、黑钨中矿标准物质样品的制备 |
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| 引用本文： | 李贤珍,范攀峰,孙晓艳,姚明星,高小飞,邓赛文,王袆亚.黑钨精矿、黑钨中矿标准物质样品的制备[J].光谱实验室,2011,28(6):3088-3093. |
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| 作者姓名： | 李贤珍 范攀峰 孙晓艳 姚明星 高小飞 邓赛文 王袆亚 |
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| 作者单位： | 1. 中国地质科学院郑州矿产综合利用研究所检测中心 郑州市陇海西路328号450006
2. 国家地质实验测试中心 北京市西城区百万庄大街26号100037 |
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| 基金项目： | 地质调查无机实验测试标准体系研究(1212010916021) |
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| 摘 要： | 钨标准物质在钨的测定、分析仪器校准、分析方法的评价等方面发挥非常重要的作用。黑钨精矿、黑钨中矿在标准物质样品制备过程中产生严重的热团聚现象,样品制备非常困难,至今国内没有相关标准物质。研究发现通过降低转速、延长磨样间隔时间可以降低磨样产生的大量热量以减小热团聚现象,再结合过筛完成制样。实验采用间歇正反转干磨,过0.074mm湿筛,筛上3kg小瓷球磨机湿磨,再球磨机混样,最后人工8次梅花堆锥混样。经均匀度检验样品粒度小于0.074mm超过98%,稳定性检验合格。制备的样品满足标准物质要求。
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| 关 键 词： | 黑钨精矿 黑钨中矿 粒度 均匀性 稳定性 标准物质样品制备 |
Preparation of Reference Material for Wolframite Concentrate and Middling Wolframite Concentrate |
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| LI Xian-Zhen,FAN Pan-Feng,SUN Xiao-Yan,YAO Ming-Xing,GAO Xiao-Fei,DENG Sai-Wen,WANG Hui-Ya.Preparation of Reference Material for Wolframite Concentrate and Middling Wolframite Concentrate[J].Chinese Journal of Spectroscopy Laboratory,2011,28(6):3088-3093. |
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| Authors: | LI Xian-Zhen FAN Pan-Feng SUN Xiao-Yan YAO Ming-Xing GAO Xiao-Fei DENG Sai-Wen WANG Hui-Ya |
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| Institution: | LI Xian-Zhen FAN Pan-Feng SUN Xiao-Yan YAO Ming-Xing GAO Xiao-Fei DENG Sai-Wena WANG Hui-Yaa(Detection Center,Zhengzhou Institute of Multipurpose Utilization of Mineral Resources,CAGS,Zhengzhou 450006,P.R.China)a(National Research Center for Geoanalysis,Beijing 100037,P.R.China) |
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| Abstract: | Reference material of tungsten plays important role in quality control of the determination of tungsten in wolframite,calibration of analytical instrument and assessment of analytical method.The preparation of wolframite concentrate,middling wolframite concentrate is very difficult,so there is no standard tungsten concentrate in China.It is mainly problem that there exists seriously hot reunion phenomenon in sample preparation and sample is hard to be powdered.The hot reunion phenomenon is caused by heat li... |
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| Keywords: | Wolframite Concentrate Middling Wolframite Concentrate Particle Size Homogeneity Stability Preparation of Reference Material |
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