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Abstract

The isotope abundance ratio of lithium in the Li isotopic reference material IRMM-016 was redetermined by thermal ionization mass spectrometry by means of synthetic isotope mixtures. This resulted in an absolute ratio n((6)Li)/n((7) Li) of 0.08212 +/-0.00028, and corresponding isotope abundances of 7.589 +/- 0.024 amount % (6) Li, 92.411 +/- 0.024 amount % (7) Li and an atomic weight of lithium of 6.94005 +/- 0.00024. Uncertainties are expanded uncertainties using a coverage factor of two.

Additional information

Authors: QI H P, JRC Geel (BE);TAYLOR P D P, JRC Geel (BE);BERGLUND M, JRC Geel (BE);DE BIÈVRE P, JRC Geel (BE)
Bibliographic Reference: Article: International Journal of Mass Spectrometry and Ion Processes
Record Number: 199710793 / Last updated on: 1997-07-02
Category: PUBLICATION
Original language: en
Available languages: en