Summary
The advisability of using low molecular weight carrier gases for open-tubular columns, specifically helium in lieu of the more dangerous hydrogen, has been examined. Relative to nitrogen and argon, the advantages of helium are shown to be a nearly two-fold increase in number of theoretical plates and are illustrated for certain isomer separations of methyl esters of moneothylenic fatty acids.
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Mayzaud, P., Ackman, R.G. Some empirical observations on the choice of carrier gas in the gas chromatographic analysis of fatty acid methyl esters using wall-coated open tubular columns. Chromatographia 9, 321–324 (1976). https://doi.org/10.1007/BF02268834
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DOI: https://doi.org/10.1007/BF02268834