軽元素同位体比測定用質量分析計の自動試料導入装置の作製と測定の自動化

概要

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The automatic measurement system for the light element isotope analysis was developed by installing the specially designed inlet system which was controlled by a computer. The microcomputer system contains specific interface boards for the inlet system and the mass spectrometer, Micromass 602 E. All the components of the inlet and the computer system installed are easily available in Japan. Ten samples can be automatically measured as a maximum of. About 160 minutes are required for 10 measurements of δ18O values of CO2. Thus four samples can be measured per an hour using this system, while usually three samples for an hour using the manual operation. The automatized analysis system clearly has an advantage over the conventional method. This paper describes the detatils of this automated system, such as apparatuses used, the control procedure and the correction for reliable measurement.
日本質量分析学会の論文