Calculating excess volumes of binary solutions with allowance for structural differences between mixed components


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Аннотация

Analytical dependences of a volume’s properties on the differences between the geometric structures of initial monosystems are obtained for binary systems simulated by a grain medium. The effect of microstructural parameter k (the ratio of volumes of molecules of mixed components) on the concentration behavior of the relative excess molar volume of different types of real binary solutions is analyzed. It is established that the contribution due to differences between the volumes of molecules and coefficients of the packing density of mixed components is ~80–100% for mutual solutions of n-alkanes and ~55–80% of the experimental value of the relative excess molar volume for water solutions of n-alcohols.

Авторлар туралы

E. Balankina

Moscow State University of Information Technologies

Хат алмасуға жауапты Автор.
Email: balankina@mail.ru
Ресей, Moscow, 119454

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