Relative Measurements of Lithium Isotope Ratio by Surface Ionization Source I. Laboratory Standard Lithium Sulfate(Merck)
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概要
- 論文の詳細を見る
Relative measurements of lithium isotope ratio for lithium sulfate(Merck)have been made by using a surface ionization ion source of the triple filament type. The isotope ratio obtained by the measured point method is(<SUP>7</SUP>Li/<SUP>6</SUP>Li)M.P=12.38±0.03 and fairly coincides with the isotope ratio(<SUP>7</SUP>Li/<SUP>6</SUP>Li)I.I=12.39±0.01 by the ion current integration method.The distribution of the isotope ratios obtained by the measured point method with time is normal. The measurable isotope fractionation over the lifetime of sample evaporation is not found. The background ions emitted from the tungsten filament are also examined and their behaviours are discussed.
- 日本質量分析学会の論文
著者
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Toyama Osamu
Department Of Animal Physiology Meiji University
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HAYAKAWA TERUO
Department of Applied Chemistry and Dapartment of Chemistry, University of Osaka Prefecture
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TANIGUCHI SETSUO
Department of Applied Chemistry and Dapartment of Chemistry, University of Osaka Prefecture
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TOYAMA OSAMU
Department of Chemistry and Department of Applied Chemistry, University of Osaka Prefecture, Mozu-umemachi, Sakai
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