Summary
A fast and sensitive method has been developed for isothermal routine analysis of helium, carbon monoxide, carbon dioxide, methane and water. A single thermal conductivity detector, two Porapak Q columns and hydrogen as carrier gas were used. He, CO, CO2 and CH4 were separated on the two columns in series while water is eluted from the first column by a suitable commutation of the two columns through a diaphragm valve. All the gases were analyzed at 80°C. A complete analysis took 9 minutes. The precision of the method was found to be ±1 to 2% for quantitative analysis of any of the components. The method is suitable for both manual and automatic measurements.
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Hossain, M.A., Forissier, M. & Trambouze, Y. Rapid and isothermal analysis of mixtures of He, CO, CO2, CH4 and H2O by gas chromatography using a single detector. Chromatographia 9, 471–472 (1976). https://doi.org/10.1007/BF02270738
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DOI: https://doi.org/10.1007/BF02270738