Abstract
Refractive index (n) and related properties such as molar refraction (R) have been investigated for DMF + ME and DMF+DME binary mixtures over the entire composition range, at 15 different temperatures in the range 0 ≤ t/°C ≤ 70. Some relationships have been applied to study the dependence of the measured and derived quantities by temperature and composition. Furthermore, the excess functions n E, R E and the excess Kirkwood correlation parameters Δg have been examined, in order to identify the presence of solvent-cosolvent adducts in these binary mixtures. The results obtained have been interpreted on the basis of specific intermolecular interactions between different species.
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