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Volume Properties of the H2O-DMF Mixture at the Pressure 0.101 MPa in the Temperature Range 278.15-323.15 K

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Abstract

The density of the water-N,N-dimethylformamide mixture throughout the entire range of compositions in the temperature range 278.15-323.15 K at atmospheric pressure (0.101 MPa) was measured. The coefficients of thermal dilatation α were calculated. The α value strongly depends on the composition of the mixture in the range 0 < X <: 0.3 (X is the molar fraction of dimethylformamide), which is associated with breakdown of water structure. An equation relating the molar volume of the water-dimethylformamide mixture to the composition of the mixture and to the temperature was proposed.

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Authors and Affiliations

  1. Institute of Solution Chemistry, Russian Academy of Sciences, Ivanovo, Russia

    G. I. Egorov, A. A. Syrbu & A. A. Kolker

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  1. G. I. Egorov
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  2. A. A. Syrbu
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  3. A. A. Kolker
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Egorov, G.I., Syrbu, A.A. & Kolker, A.A. Volume Properties of the H2O-DMF Mixture at the Pressure 0.101 MPa in the Temperature Range 278.15-323.15 K. Russian Journal of General Chemistry 72, 693–695 (2002). https://doi.org/10.1023/A:1019539730979

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