Abstract
New experimental densities and surface tensions for binary mixtures of {heptane + 1-butanol, + 1-hexanol, and + 1-octanol} in a temperature range of (288.15, 293.15, 298.15, 303.15, and 308.15) K are reported for the whole composition range. Densities were measured with an Anton Paar DMA 4500 densimeter. Surface tensions were measured using a Lauda TVT2 automated tensiometer, which uses the principle of the pending drop volume. The experimental data of pure liquids and mixtures have been used to calculate excess molar volumes and surface tension deviations of the mixtures as a function of mole fractions.
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