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claudia-bouman
Team TFS
Team TFS
1) Institute für Geologie, Universität Bern, Baltzerstrasse 1+3, 3012 Bern, Switzerland, 2) Thermo Fisher Scientific, Hanna-Kunath-Strasse 11, 28199 Bremen, Germany, 3) Università di Milano Bicocca, Piazza della Scienza 4, 20126 Milano, Italy
International Journal of Mass Spectrometry (2015), V387, pp60-68, doi: 10.1016/j.ijms.2015.07.012
TIMS measurements of full range of natural Ca isotopes withinternally consistent fractionation correction
Maria O. Naumenko-Dèzes (1), Claudia Bouman (2), Thomas F. Nägler (1) Klaus Mezger (1) and Igor M. Villa (1,3)
This study presents static measurements of the Ca isotopic composition of standard reference materials SRM 915 a/b on a Triton Plus thermal ionization mass spectrometer with a specially developed Faradaycup array allowing simultaneous measurement of 40Ca and 48Ca. The total amount of Ca in all analyses was kept <1 g. With this setup the measurement uncertainties were 0.06‰ for 40Ca/44Ca and 0.12‰ for 48Ca/40Ca. Measuring all isotopes simultaneously better allows to test the internal consistency of different Ca isotope abundances reported in the literature.
  • TIMS
  • Triton Plus
  • Ca isotopes
  • Static Collection
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