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Title: Thermodynamic studies of solutions of n-heptane in methanol and ureamethanol at 25°C -
Authors: Patil, K J
Mehta, G R
Issue Date: Oct-1989
Publisher: NISCAIR-CSIR, India
Abstract: The density (d) and sound velocity (u) data have been obtained for binary system of n-heptane-methanol in the concentration range of 0.1 to 0.7 m of n-heptane at 25°C.Similar data have also been obtained for ternary system 3 m urea-methanol-n-heptane. Adiabatic compressibility (βad) apparent molal volume (ϕV) and apparent molal compressibility (ϕĸ) of n-heptane at different concentrations have been calculated. The results of ϕ and ϕ and their concentration dependence and the corresponding transfer functions (ϕ and ϕ) for n-heptane are explained on the basis of formation of urea-channel adducts with heptane in solution. The structural interaction in solutions seems to be accompanied by large decrease in partial volume and compressibility of n-heptane in methanolic urea solutions.
Page(s): 836-839
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.28A(10) [October 1989]

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