USGS44, a new high‐purity calcium carbonate reference material for δ13C measurements

Rationale The stable carbon isotopic (δ13C) reference material (RM) LSVEC Li2CO3 has been found to be unsuitable for δ13C standardization work because its δ13C value increases with exposure to atmospheric CO2. A new CaCO3 RM, USGS44, has been prepared to alleviate this situation. Methods USGS44 was...

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Veröffentlicht in:	Rapid communications in mass spectrometry 2021-02, Vol.35 (4), p.e9006-n/a
Hauptverfasser:	Qi, Haiping, Moossen, Heiko, Meijer, Harro A.J., Coplen, Tyler B., Aerts‐Bijma, Anita T., Reid, Lauren, Geilmann, Heike, Richter, Jürgen, Rothe, Michael, Brand, Willi A., Toman, Blaza, Benefield, Jacqueline, Hélie, Jean‐François
Format:	Artikel
Sprache:	eng
Schlagworte:	Calcium carbonate Carbon dioxide Carbon isotopes Carbonates Contamination Fractionation Grain size Isotopes Linearity Mass spectrometry Purity Reference materials Standardization
Online-Zugang:	Volltext
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