We tested direct injections of headspace gas into a Gas Chromatography - Combustion - Isotope Ratio Mass Spectrometry (GC-C-IRMS) system to measure 13C/12C isotopic ratio of carbon dioxide from the headspace of several sparkling and soft drinks. This simple and straightforward technique improves the determination of delta13C values of CO2 gas as a food probe of authenticity. However for an ultimate test, combination with other isotopic data is required.
CALDERONE Giovanni;
GUILLOU Claude;
RENIERO Fabiano;
NAULET Norbert;
2007-01-24
ELSEVIER SCIENCE BV
JRC31374
0963-9969,
https://publications.jrc.ec.europa.eu/repository/handle/JRC31374,
10.1016/j.foodres.2006.10.001,
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