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Excess molar volumes for binary and ternary mixtures of (N,N-dimethylformamide+ethanol+water) at the temperature 298.15 K

✍ Scribed by Tong-Chun Bai; Jia Yao; Shi-Jun Han

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
206 KB
Volume
30
Category
Article
ISSN
0021-9614

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✦ Synopsis

The results of excess molar volumes for the ternary mixture N, N-dimethylformamide Ε½ . 4 Ε½ . Ε½ DMF q ethanol q water , and for the binary constituents DMF q water , DMF q . Ε½ . ethanol , and ethanol q water at T s 298.15 K were reported. Several empirical expressions were used to predict and correlate the ternary excess molar volumes. A pseudo-binary mixture approach was used to analyse the system studied. The partial molar volumes of Ε½ . ethanol at infinite dilution, and the apparent molar volumes of DMF q water mixed solvent at several fixed compositions were evaluated and correlated with the composition of the Ε½ . DMF q water mixed solvent.

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