Dielectric Properties of 1-Hexanol in Mesitylene Solution on Admixture of Aromatic Dihydric Alcohols

Autor:	Gamal Turky, G. Klages, F. F. Hanna, M. Stockhausen, A. Ghoneim
Rok vydání:	1994
Předmět:	Ternary numeral system Diol General Physics and Astronomy Concentration effect Alcohol Primary alcohol chemistry.chemical_compound chemistry Physical chemistry Organic chemistry 1-Hexanol Physical and Theoretical Chemistry Mesitylene Mathematical Physics Hexanol
Zdroj:	Zeitschrift für Naturforschung A. 49:503-510
ISSN:	1865-7109 0932-0784
DOI:	10.1515/zna-1994-0309
Popis:	Broadband dielectric relaxation spectra (at 20 to 40 °C) are reported for three liquid alcohol/non­ polar solvent systems: Binary hexanol/mesitylene mixtures and two corresponding ternary mixtures, where 5 percent of hexanol are replaced by a dihydric alcohol, namely resorcinol (1,3-dihydroxyben­ zene) or 2,2´-dihydroxydiphenyl. The concentration of the polar substance(s) ranges from dilute solutions to pure alcohol(s). The lower frequency relaxation contribution, which generally is the more dominating the higher the alcohol concentration, is additionally enhanced by the diol admixture in the case of low and moderate concentrations. This can be understood as a hetero-association effect, the diol molecules playing a bridging role, which also leads to an increase in the mean lifetime of associated states.
Databáze:	OpenAIRE
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