Abstract
GC behavior of C6-C17 n-alkanes has been investigated at different temperatures of isothermal analysis and under temperature programming conditions using two capillary columns coated with OV-101 and OV-351 stationary phases. Temperature increments have been calculated for the homologs and their inequality has been demonstrated for each member of then-alkane series. It was shown that the nonlinear individual temperature variation of the energy of dispersive interaction ofn-alkane homologs with the stationary phase, which was observed under isothermal conditions, may be one of the main reasons for the nonlinear change in sorption parameters ofn-alkanes in temperature-programmed gas chromatography.
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Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 4, pp. 642–645, April, 1994.
The present work was carried out with the financial support of the Russian Foundation for Basic Research (Grant 93-03-4969).
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Grigoryeva, D.N., Golovnya, R.V. & Samusenko, A.L. Inequality of temperature increments ofn-alkane homologs as one of the reasons for the nonlinear variation of sorption parameters of substances in temperature-programmed gas chromatography. Russ Chem Bull 43, 591–594 (1994). https://doi.org/10.1007/BF00699830
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DOI: https://doi.org/10.1007/BF00699830