Reduction of oxide ions of uranium in single-filament surface-ionization mass spectrometry with application to rock samples

Ion-emission characteristics of a single-filament surface-ionization source for uranium are described. It is shown that a graphite coating over uranium samples enhances reduction of oxides to U + and improves quantitative performance. Results obtained for uranium in several rock samples are in reaso...

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Bibliographic Details
Published in:Analytica chimica acta 1981-01, Vol.132, p.209-213
Main Authors: Kakazu, M.H., Moraes, N.M.P., Iyer, S.S., Rodrigues, C.
Format: Article
Language:English
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Summary:Ion-emission characteristics of a single-filament surface-ionization source for uranium are described. It is shown that a graphite coating over uranium samples enhances reduction of oxides to U + and improves quantitative performance. Results obtained for uranium in several rock samples are in reasonable agreement with results reported by others.
ISSN:0003-2670
1873-4324
DOI:10.1016/S0003-2670(01)93893-0