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Measurement of the Isotopic Composition of Molybdenum in Geological Samples by MC-ICP-MS using a Novel Chromatographic Extraction Technique
Li, J; Liang, XR; Zhong, LF; Wang, XC; Ren, ZY; Sun, SL; Zhang, ZF; Xu, JF; jieli@gig.ac.cn
2014
发表期刊GEOSTANDARDS AND GEOANALYTICAL RESEARCH
ISSN1639-4488
卷号38期号:3页码:345-354
摘要A novel preconcentration method is presented for the determination of Mo isotope ratios by multi-collector inductively coupled plasma-mass spectrometry (MC-ICP-MS) in geological samples. The method is based on the separation of Mo by extraction chromatography using N-benzoyl-N-phenylhydroxylamine (BPHA) supported on a microporous acrylic ester polymeric resin (Amberlite CG-71). By optimising the procedure, Mo could be simply and effectively separated from virtually all matrix elements with a single pass through a small volume of BPHA resin (0.5ml). This technique for separation and enrichment of Mo is characterised by high selectivity, column efficiency and recovery (similar to 100%), and low total procedural blank (similar to 0.18ng). A Mo-100-Mo-97 double spike was mixed with samples before digestion and column separation, which enabled natural mass-dependent isotopic fractionation to be determined with a measurement reproducibility of <0.09 (Mo-98/95, 2s) by MC-ICP-MS. The mean Mo-98/95(SRM) (3134) (NIST SRM 3134 Mo reference material; Lot No. 891307) composition of the IAPSO seawater reference material measured in this study was 2.00 +/- 0.03 parts per thousand (2s, n=3), which is consistent with previously published values. The described procedure facilitated efficient and rapid Mo isotopic determination in various types of geological samples.
部门归属[Li, Jie ; Liang, Xi-Rong ; Ren, Zhong-Yuan ; Sun, Sheng-Ling ; Zhang, Zhao-Feng ; Xu, Ji-Feng] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Isotope Geochem, Guangzhou 510640, Guangdong, Peoples R China ; [Zhong, Li-Feng] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China ; [Wang, Xuan-Ce] Curtin Univ, ARC Ctr Excellence Core Crust Fluid Syst CCFS, Perth, WA 6845, Australia ; [Wang, Xuan-Ce] Curtin Univ, Inst Geosci Res TIGeR, Perth, WA 6845, Australia
关键词Molybdenum Isotopes N-benzoyl-n-phenylhydroxylamine Extraction Chromatography Preconcentration Double Spike Mc-icp-ms
学科领域Geochemistry & Geophysics
资助者State Key Laboratory of Isotope Geochemistry [SKLIG-JY-12-03]; National Science Foundation of China [41173038, 41203010]; ARC ESTART Fellowship through ARC Centre of Excellence for Core to Crust Fluid Systems (CCFS) ; State Key Laboratory of Isotope Geochemistry [SKLIG-JY-12-03]; National Science Foundation of China [41173038, 41203010]; ARC ESTART Fellowship through ARC Centre of Excellence for Core to Crust Fluid Systems (CCFS) ; State Key Laboratory of Isotope Geochemistry [SKLIG-JY-12-03]; National Science Foundation of China [41173038, 41203010]; ARC ESTART Fellowship through ARC Centre of Excellence for Core to Crust Fluid Systems (CCFS) ; State Key Laboratory of Isotope Geochemistry [SKLIG-JY-12-03]; National Science Foundation of China [41173038, 41203010]; ARC ESTART Fellowship through ARC Centre of Excellence for Core to Crust Fluid Systems (CCFS)
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收录类别sci
资助项目海洋地质
资助者State Key Laboratory of Isotope Geochemistry [SKLIG-JY-12-03]; National Science Foundation of China [41173038, 41203010]; ARC ESTART Fellowship through ARC Centre of Excellence for Core to Crust Fluid Systems (CCFS) ; State Key Laboratory of Isotope Geochemistry [SKLIG-JY-12-03]; National Science Foundation of China [41173038, 41203010]; ARC ESTART Fellowship through ARC Centre of Excellence for Core to Crust Fluid Systems (CCFS) ; State Key Laboratory of Isotope Geochemistry [SKLIG-JY-12-03]; National Science Foundation of China [41173038, 41203010]; ARC ESTART Fellowship through ARC Centre of Excellence for Core to Crust Fluid Systems (CCFS) ; State Key Laboratory of Isotope Geochemistry [SKLIG-JY-12-03]; National Science Foundation of China [41173038, 41203010]; ARC ESTART Fellowship through ARC Centre of Excellence for Core to Crust Fluid Systems (CCFS)
WOS记录号WOS:000342754900008
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被引频次:19[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/344004/10605
专题中科院边缘海地质重点实验室
通讯作者jieli@gig.ac.cn
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GB/T 7714
Li, J,Liang, XR,Zhong, LF,et al. Measurement of the Isotopic Composition of Molybdenum in Geological Samples by MC-ICP-MS using a Novel Chromatographic Extraction Technique[J]. GEOSTANDARDS AND GEOANALYTICAL RESEARCH,2014,38(3):345-354.
APA Li, J.,Liang, XR.,Zhong, LF.,Wang, XC.,Ren, ZY.,...&jieli@gig.ac.cn.(2014).Measurement of the Isotopic Composition of Molybdenum in Geological Samples by MC-ICP-MS using a Novel Chromatographic Extraction Technique.GEOSTANDARDS AND GEOANALYTICAL RESEARCH,38(3),345-354.
MLA Li, J,et al."Measurement of the Isotopic Composition of Molybdenum in Geological Samples by MC-ICP-MS using a Novel Chromatographic Extraction Technique".GEOSTANDARDS AND GEOANALYTICAL RESEARCH 38.3(2014):345-354.
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