Abstract
The influence of a water vapor admixture in helium, nitrogen, and carbon dioxide on capacity coefficients of C3−C5 alcohols and pyridine during chromatography process in capillary columns with polar (PEG-20M) and nonpolar (SE-30) stationary phases was studied. The introduction of a water admixture into the carrier gas, increases the capacity coefficient of polar organic compounds on the capillary column with PEG-20M and has almost no effect on this value in the case of SE-30. The change in retention of polar organic compounds on the capillary column with the PEG-20M polar phase occurs due to a change in the properties of the stationary phase when it adsorbs water from the mobile phase.
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Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2258–2261, November, 1998.
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Berezkin, V.G., Korolev, A.A. Influence of a water vapor admixture in the carrier gas on capacity coefficients of polar organic compounds. Russ Chem Bull 47, 2189–2192 (1998). https://doi.org/10.1007/BF02494278
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DOI: https://doi.org/10.1007/BF02494278