| 光谱学与光谱分析 |
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| Qualitative and Quantitative Analysis of Various Elements in Chromite Ore by ICP-AES |
| ZHANG Yang1,2, ZHENG Shi-li1*, WANG Xiao-hui1,2, XU Hong-bin1, ZHANG Yi1 |
1.Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
2.Graduate University of Chinese Academy of Sciences, Beijing 100049, China |
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Abstract Kind of the elements in chromite ore was firstly determined by ICP-AES.Twenty nine elements, such as Cr，Fe，Al，Mg，Zn，Co and Ni, were contained in the chromite sample based on the qualitative analysis.Then the contents of main elements Cr，Fe，Al，Mg，Ca，T，Si，Mn and V were measured.The chromite samples processing procedures have two steps, the first is decomposition by nitrate carbonate and sodium tetraborate at 950 ℃ for 30 min, then leaching by dilute hydrochloric acid at 80 ℃ for 10 min.The method showed satisfactory precision and accuracy with the RSDs between 0.48% and 2.05% and the recovery rates between 90.5% and 111.3%.
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Received: 2009-01-06
Accepted: 2009-04-08
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Corresponding Authors:
ZHENG Shi-li
E-mail: slzheng@home.ipe.ac.cn
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