激光剥蚀-等离子体质谱技术及其在地球化学宇宙化学和环境研究中的应用

百花草 · 发表于 2009-12-29 11:40

[align=justify]摘　要：激光剥蚀-等离子体质谱(LA-ICPMS)已成为地球化学、宇宙化学和环境研究领域元素和同位素原位分析最重要的技术之一.文章介绍了多种类型的质谱仪及其使用的激光器.用途最广的LA-ICPMS仪器之一是单接收器扇形磁场质谱仪,配有Nd:YAG激光剥蚀系统(激光波长分为193 nm和213 nm两种),MPI Mainz实验室使用的就是这套系统，文章对此作一详细介绍.文中阐述了数据优化技术及其多种校正过程;介绍LA-ICPMS在痕量元素和同位素分析领域的一些应用,包括参考物质的研制,Hawaiian玄武岩、Martian陨石、生物骨针和珊瑚虫中痕量元素分析及熔融包裹体和富钙-铝碳质球粒陨石中的铅和锶同位素测量.
关键词：激光剥蚀-等离子体质谱;地质样品;参考物质;陨石;生物样品;痕量元素;同位素比值
分类号：O657.63　文献标识码：A
文章编号：0254-5357(2009)01-0053-16

Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry and Its Application in Geochemistry, Cosmochemistry and Environmental Research

JOCHUM Klaus Peter（Max Planck-institut für Chemie, Mainz,55020,Germany）　 STOLL Brigitte（Max Planck-Institut für Chemie, Mainz 55020, Germany）　 FRIEDRICH Jon M（Department of Earth and Planetary Sciences, American Museum of Natural History, New York 10024, USA;Department of Chemistry, Fordham University, Bronx,New York 10458, USA）　 AMINI Marghaleray（Max Planck-Institut für Chemie, Mainz 55020, Germany;Saskatchewan Isotope Laboratory, Department of Geological Sciences, University of Saskatchewan,Saskatoon S7N 5E2,Canada）　 BECKER Stefan（Bundeskriminalamt, Wiesbaden 65173, Germany）　 DüCKING Marc（Bundeskriminalamt, Wiesbaden 65173, Germany）　 EBEL Denton S（Department of Earth and Planetary Sciences, American Museum of Natural History, New York 10024, USA）　 ENZWEILER Jacinta（Instituto de Geociências, University of Campinas, CP 6152 Campinas, CEP 13083-970, Brazil）　 HU Ming-yue（National Research Center for Geoanalysis, Beijing 100037, China）　 KUZMIN Dmitry（Max Planck-Institut für Chemie, Mainz 55020, Germany;Institute of Geology and Mineralogy, Siberian Branch of Russian Academy of Sciences, Novosibirsk 630090, Russia）　 MERTZ-KRAUS Regina（Max Planck-Institut für Chemie, Mainz 55020, Germany;Institut für Geowissenschaften, Universitat Mainz,Mainz 55099,Germany）　 MüLLER Werner E G（Institut für Physiologische Chemie, Universitat Mainz, Mainz 55099, Germany）　 REGNERY Julia（Max Planck-Institut für Chemie, Mainz 55020, Germany）　 SOBOLEV Alexander（V.I. Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Moscow 119991, Russia;Max Planck-Institut für Chemie, Mainz 55020, Germany）　 WANG Xiao-hong（Max Planck-Institut für Chemie, Mainz 55020, Germany;National Research Center for Geoanalysis, Beijing 100037, China）　 ZHAN Xiu-chun（National Research Center for Geoanalysis, Beijing 100037, China）　

[align=justify]Abstract：Laser ablation (LA)-inductively coupled plasma-mass spectrometry (ICP-MS) has become one of the most important methods for in situ trace elemental and isotopic analysis in geochemistry, cosmochemistry and environmental research. For these purposes, different kinds of mass spectrometers and lasers are used, which are presented in this paper. One of the most useful LA-ICPMS instruments is the combination of a single-collector sector field mass spectrometer with Nd:YAG laser ablation systems (193 nm and 213 nm wavelengths, respectively). This design used in the MPI Mainz laboratory is described in detail in this paper. Data optimization techniques including diverse correction procedures are also discussed. To demonstrate the power of LA-ICPMS, several applications of trace elemental and isotopic analysis are presented, such as investigations of reference materials, trace element analysis in Hawaiian basalts, Martian meteorites, biological spicules and corals, as well as Pb and Sr isotope measurements of melt inclusions and Ca-Al rich inclusions of carbonaceous chondrites.
Keywords：laser ablation-inductively coupled plasma-mass spectrometry(LA-ICPMS); geological sample; reference material; meteorite;biological sample; trace element; isotope ratio
作者简介：JOCHUM Klaus Peter, major in trace element and isotope geochemistry (mainly oceanic basalts, meteorites, environmental and biological samples),LA-ICPMS, investigations of reference materials, GeoReM database. E-mail:kpj@mpch-mainz.mpg.de.
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