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学科主题: Chemistry, Analytical
题名: Determination of rhenium content in molybdenite by ICP-MS after separation of the major matrix by solvent extraction with N-benzoyl-N-phenylhydroxalamine
作者: Li, J ; Zhong, LF ; Tu, XL ; Liang, XR ; Xu, JF
通讯作者: jieli@gig.ac.cn
关键词: Re-Os dating ; Molybdenite ; N-Benzoyl-N-phenylhydroxylamine ; Solvent extraction ; ID-ICP-MS
刊名: TALANTA
发表日期: 2010
卷: 81, 期:3, 页:954-958
收录类别: sci
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
项目归属: LMB
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.
原文出处: 查看原文
WOS记录号: WOS:000276877500031
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/3846
Appears in Collections:中科院海洋生物资源可持续利用重点实验室_期刊论文

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Recommended Citation:
Li, J; Zhong, LF; Tu, XL; Liang, XR; Xu, JF.Determination of rhenium content in molybdenite by ICP-MS after separation of the major matrix by solvent extraction with N-benzoyl-N-phenylhydroxalamine,TALANTA,2010,81(3):954-958
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文件名: Determination of rhenium content in molybdenite by ICP-MS after separation of the major matrix by solvent extraction with N-benzoyl-N-phenylhydroxalamine .pdf
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