Articles | Volume 18, issue 21
https://doi.org/10.5194/amt-18-6053-2025
https://doi.org/10.5194/amt-18-6053-2025
Research article
 | 
04 Nov 2025
Research article |  | 04 Nov 2025

CO2 deviation in a cylinder due to consumption of a standard gas mixture

Nobuyuki Aoki and Shigeyuki Ishidoya

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Short summary
In this study, offsets of CO2 values due to thermal diffusion effect were observed in the outflowing gas from cylinders finding that the CO2 mole fraction in a cylinder deviate by this effect as the pressure dropped. This result suggests that the deviation in the CO2 value in the cylinder is caused not only by the adsorption and desorption effects but also by the thermal diffusion fractionation effect.
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