Heterogeneity of the glass fiber surface from inverse gas chromatography

Article Abstract:

The chromatographic peak profiles of hexane and butanol on a column packed with E-glass fibers show that the surface of the fiber is homogeneous for hexane and heterogeneous for butanol. A new method of adsorption analysis is presented that allows one to obtain distribution functions of adsorption sites in energy and in entropy separately and without any preliminary assumptions.

All Other Basic Organic Chemical Manufacturing, Butanol, Chemistry, Analytic, Analytical chemistry, Butanols

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Role of the cosurfactant in the CTAB/water/n-pentanol/n-hexane water-in-oil microemulsion. 1. Pentanol effect on the microstructure

Article Abstract:

The microstructure of the quaternary water-in-oil microemulsion CTAB/water/n-pentanol/n-hexane was investigated by means of the pulsed gradient spin-echo NMR technique over a wide range of composition. Adding water to the CTAB/water/n-pentanol/n-hexane microemulsion always results in an increment of the reverse micellar radii.

Pentanes, Water, Chemistry, Physical and theoretical, Physical chemistry, Pentane

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Preferential solvation in ternary solutions containing methylbenzoate. A kirkwood-buff fluctuation theory study

Article Abstract:

The Kirkwood-Buff theory of solutions is applied to the hexane/cyclohexane/methylbenzoate ternary (MB) ternary system. The volumetric properties of the ternary system were correlated and predicted with the cubic equations of state by soave and Peng-Robinson combined with two simple mixing rules.

Terpenes, Methods, Quantitative chemical analysis, Mechanical properties

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