Analysis of Chromatographic Parameters in the Systems with Ternary Mobile Phases

Ościk‐Mendyk, B.; Różyło, J. K.

doi:10.1080/01483918708066776

Cited by 8 publications

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“…8,9 All measurements were made for x 1 = 0.1, 0.3, 0.5, 0.7, 0.9, and 1.0 (molar fraction of ethylene chloride or acetone).…”

Section: Methodsmentioning

confidence: 99%

“…Five mobile phases with different physicochemical properties were obtained: binary mobile phases 1 + 2, 1 + 3, and ternary mobile phases 1 + r (r = 1/3, r = 1 and r = 3). In the earlier papers, 8,9 experimental data were presented on the Gibbs triangle as isolines of R M values of analysed substances. The analysis of these isolines was useful for investigation of process mechanism.…”

Section: Introductionmentioning

confidence: 99%

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Studies of Liquid Adsorption Chromatography Process With Mixed Mobile Phases

Ościk‐Mendyk

Różyło

2000

Journal of Liquid Chromatography & Related Technologies

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Description of chromatographic retention mechanism in the systems with ternary mobile phase is very complex. Designation of the effect of individual mobile phase components on this process is difficult. The number of moles (or molecules) of less polar solvents of mobile phase referring to one mole (or molecule) of polar solvent must be taken into account. In this connection, a new method of experimental data presentation was proposed. The association effects and changes of surface phase composition were analysed. Experimental data are presented as relationships R M vs. (x 1 /x 2 ) 3 and R M vs. (x 1 /x 3 ) 3 . The influence of a chromatographed substance on the retention process was also analysed. The relationships mentioned above enable the effect of individual solvent on the chromatographic process.

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“…8,9 All measurements were made for x 1 = 0.1, 0.3, 0.5, 0.7, 0.9, and 1.0 (molar fraction of ethylene chloride or acetone).…”

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%