Thermal ionization mass spectrometry of molybdenum isotopes

被引：34
|
作者：
Wieser, ME [1 ]
De Laeter, JR [1 ]
机构：
[1] Curtin Univ Technol, Dept Appl Phys, Perth, WA 6845, Australia
来源：
INTERNATIONAL JOURNAL OF MASS SPECTROMETRY | 2000年 / 197卷
基金：
澳大利亚研究理事会;
关键词：
molybdenum; mass spectrometry; isotopic composition; fractionation; molybdenites;
D O I：
10.1016/S1387-3806(99)00262-6
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
A simple and reliable analytical technique for molybdenum isotope abundance determinations by thermal ionization mass spectrometry, capable of realizing precise data from submicrogram amounts of material, is described. This method was specifically designed for molybdenum fission product and double-beta decay studies, for which only nanogram amounts of sample are available. The molybdenum isotope composition of a high purity molybdenum metal rod, four off-the-shelf reagents, and five molybdenites from different regions were analyzed. No significant isotope abundance variations were observed. The molybdenum isotope abundances determined were compared to current International Union of Pure and Applied Chemistry (IUPAC) isotope composition and atomic weight data. (C) 2000 Elsevier Science B.V.
引用
收藏
页码：253 / 261
页数：9
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