Determination of the plutonium concentration by isotope dilution mass spectrometry using239Pu as a spike (original) (raw)

Journal of Radioanalytical and Nuclear Chemistry Letters, 1985

Abstract

A method is described for the determination of plutonium concentration in the presence of a bulk of other impurities by isotope dilution mass spectrometry /IDMS/ using239Pu as a spike. The method involves the addition of239Pu spike / 90 atom%/ to samples with239Pu / 70 atom%/ and vice versa. After ensuring chemical exchange between the sample and the spike isotopes, plutonium

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