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SA0200002.pdf2.57 MB
titleNon-destructive analysis of unknown samples named 1G and 2G by using nuclear analytical methods
Author(jpn)海老原, 充; 大浦, 泰嗣
Author(eng)Ebihara, Mitsuru; Oura, Yasuji
Author Affiliation(jpn)東京都立大学 大学院理学研究科; 東京都立大学 大学院理学研究科
Author Affiliation(eng)Graduate School of Science, Tokyo Metropolitan University; Graduate School of Science, Tokyo Metropolitan University
Issue Date2003-03
Publisher宇宙科学研究所
Institute of Space and Astronautical Science
Publication titleThe Institute of Space and Astronautical Science report. S.P.
The First Open Competition for the MUSES-C Asteroidal Sample Preliminary Examination Team
Volume16
Start page9
End page17
Publication date2003-03
Languageeng
AbstractFor the initial analysis of the sample returned from space, it must be highly essential that the sample is not physically destroyed. Using three nuclear analytical methods, namely instrumental neutron activation analysis (INAA), instrumental photon activation analysis (IPAA) and neutron-induced prompt gamma-ray analysis (PGA), we could non-destructively determine a total of 37 elements including most major and minor elements. Based on elemental abundances obtained, we have tentatively assigned two unknown samples, 1G and 2G as metal-missing L chondrite and CV chondrite, respectively. Thus, this study clearly demonstrates that the analytical scheme once proposed for the first phase of the competition can best work for the initial chemical analysis of the sample returned by the MUSES-C space mission.
Document TypeDepartmental Bulletin Paper
JAXA Category宇宙科学研究所
ISSN0288-433X
NCIDAA10455137
SHI-NOSA0200002000
URIhttps://repository.exst.jaxa.jp/dspace/handle/a-is/71


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