Volumetric properties of H2O, D2O, and methanol in acetonitrile at 278.15-318.15 K
作者： E. V. Ivanov , V. K. Abrosimov , E. Yu. Lebedeva
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摘要: The densities of H2O, D2O, and MeOH solutions in acetonitrile with the solute concentrations up to 0.07 molar fractions at 278.15, 288.15, 298.15, 308.15, 318.15 K were measured using vibrating-tube densimetry an error ≤8·10–6 g cm–3. limiting partial volumes for H/D isotopomers water IaII (V– 2 ∞) isotope effects V– 2 ∞ excess acetonitrile—water mixtures calculated. Molecules form associates molecules via hydrogen bonds. have packing close those individual solute. methanol assumed be incorporated into structure without substantial changes latter. However, this process results some compression system a simultaneous increase its expansibility.
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