Abstract
The retention behavior of eight halomethanes and four saturated hydrocarbons was measured in gas chromatographic stationary phases consisting in tri-n-octylamine (TOA), squalane (SQ) and six TOA+SQ mixtures, at 55.0, 58.5, 62.5 and 65.0°C. Equlibrium constants for complex formation were extracted from experimental data by using a lattice model developed by Martire. The results may be interpreted in terms of the formation of weak hydrogen-bonded complexes, with sociation constants of about 0.13 L-mol−1 for haloforms and 0.07 L-mol−1 for dihalomethanes at 60°C.
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Castells, R.C., Arancibia, E.L. & Nardillo, A.M. Halomethanes in tri-n-octylamine and squalane mixtures at infinite dilution. J Solution Chem 22, 85–94 (1993). https://doi.org/10.1007/BF00647057
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DOI: https://doi.org/10.1007/BF00647057