Determination of rhenium content in molybdenite by ICP-MS after separation of the major matrix by solvent extraction with N-benzoyl-N-phenylhydroxalamine
Li, J; Zhong, LF; Tu, XL; Liang, XR; Xu, JF; jieli@gig.ac.cn
2010
发表期刊TALANTA
ISSN0039-9140
卷号81期号:3页码:954-958
摘要A simple and rapid analytical method for determining the concentration of rhenium in molybdenite for Re-Os dating was developed. The method used isotope dilution-inductively coupled plasma-mass spectrometry (ID-ICP-MS) after the removal of major matrix elements (e.g., Mo, Fe, and W) from Re by solvent extraction with N-benzoyl-N-phenylhydroxylamine (BPHA) in chloroform solution. The effect on extraction efficiency of parameters such as pH (HCl concentration), BPHA concentration, and extraction time were also assessed. Under the optimal experimental conditions, the validity of the separation method was accessed by measuring Re-187/Re-185 values for a molybdenite reference material (JDC). The obtained values were in good agreement with previously measured values of the Re standard. The proposed method was applied to replicate Re-Os dating of JDC and seven samples of molybdenite from the Yuanzhuding large Cu-Mo porphyry deposit. The results demonstrate good precision and accuracy for the proposed method. The advantages of the method (i.e., simplicity, efficiency, short analysis time, and low cost) make it suitable for routine analysis. (C) 2010 Elsevier B.V. All rights reserved.
部门归属[Li, Jie; Tu, Xiang-lin; Liang, Xi-rong; Xu, Ji-feng] Chinese Acad Sci, Key Lab Isotope Geochronol & Geochem, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China; [Zhong, Li-feng] Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Peoples R China
关键词Re-os Dating Molybdenite N-benzoyl-n-phenylhydroxylamine Solvent Extraction Id-icp-ms
学科领域Chemistry, Analytical
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收录类别sci
资助项目LMB
WOS记录号WOS:000276877500031
引用统计
被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/3846
专题中科院海洋生物资源可持续利用重点实验室
通讯作者jieli@gig.ac.cn
推荐引用方式
GB/T 7714
Li, J,Zhong, LF,Tu, XL,et al. Determination of rhenium content in molybdenite by ICP-MS after separation of the major matrix by solvent extraction with N-benzoyl-N-phenylhydroxalamine[J]. TALANTA,2010,81(3):954-958.
APA Li, J,Zhong, LF,Tu, XL,Liang, XR,Xu, JF,&jieli@gig.ac.cn.(2010).Determination of rhenium content in molybdenite by ICP-MS after separation of the major matrix by solvent extraction with N-benzoyl-N-phenylhydroxalamine.TALANTA,81(3),954-958.
MLA Li, J,et al."Determination of rhenium content in molybdenite by ICP-MS after separation of the major matrix by solvent extraction with N-benzoyl-N-phenylhydroxalamine".TALANTA 81.3(2010):954-958.
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