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Autor:
Heiko Geilmann, Jean-François Hélie, Anita T. Aerts-Bijma, Haiping Qi, Harro A. J. Meijer, Heiko Moossen, Michael Rothe, Jacqueline Benefield, Lauren T Reid, Tyler B. Coplen, Jürgen M. Richter, Willi A. Brand, Blaza Toman
Publikováno v:
Rapid Communications in Mass Spectrometry
Rapid Communications in Mass Spectrometry, 35(4):e9006. Wiley
Rapid Communications in Mass Spectrometry, 35(4):e9006. Wiley
RATIONALE: The stable carbon isotopic (δ13 C) reference material (RM) LSVEC Li2 CO3 has been found to be unsuitable for δ13 C standardization work because its δ13 C value increases with exposure to atmospheric CO2 . A new CaCO3 RM, USGS44, has bee