Physicochemical Properties of WaterAlcohol Mixtures
of a Homological Series of Lower Aliphatic Alcohols

V. I. Kuchuk^a, I. Yu. Shirokova^a, E. V. Golikova^b

^aSt. Petersburg Chemical Pharmaceutical Academy, ul. Professora Popova 14, St. Petersburg, 197376 Russia

e-mail: kuchuk-vera@mail.ru

^bFaculty of Chemistry, St. Petersburg State University, Universitetskii pr. 26, Stary Peterhof, St. Petersburg, 198504 Russia

golikova2319@rambler.ru

Received May 18, 2011

Abstract—The results of a study of physicochemical properties (density, viscosity, refractive index, contrac-
tion, and surface tension) of water–alcohol (water–ethanol, water–propanol, and water–isopropanol) and alco-
hol–alcohol (propanol–butanol) mixtures are presented. The ratios of water and alcohol corresponding to the
maxima of the viscosity and contraction of the mixtures are determined. A nonlinear character of dependences
of the density and refractive index for water–alcohol mixtures versus their composition is demonstrated.

Keywords: water–alcohol mixtures, viscosity, contraction

DOI: 10.1134/S1087659612050057

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