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Thermodynamic evaluation of the interaction of fatty acid methyl esters with polar and non-polar stationary phases, based on their retention indices

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Summary

Kovátś retention indices are used to determine the partial molar free energies of solution of 39 methyl esters of saturated (normal and branched), mono- and poly-unsaturated higher fatty acids in the non-polar phase Se-30 and the polar phase SILAR 5CP. Contributions of double bonds as a function of their number and position in the acid chain to the partial molar free energies of solution (ΔG) are evaluated quantitatively. Linear equations are suggested for the calculation of ΔG of any compounds from their retention indices measured in columns with SE-30 and SILAR 5CP.

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Authors and Affiliations

  1. Institute of Organo-Element Compounds of the Academy of Sciences of the U.S.S.R., Vavilova 28, Moscow, U.S.S.R.

    R. V. Golovnya & T. E. Kuzmenko

Authors
  1. R. V. Golovnya
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  2. T. E. Kuzmenko
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Golovnya, R.V., Kuzmenko, T.E. Thermodynamic evaluation of the interaction of fatty acid methyl esters with polar and non-polar stationary phases, based on their retention indices. Chromatographia 10, 545–548 (1977). https://doi.org/10.1007/BF02262915

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  • DOI: https://doi.org/10.1007/BF02262915

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