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Measurement of densities and excess molar volumes for (1,2-propanediol, or 1,2-butanediol +  water) at the temperatures (288.15, 298.15, and 308.15) K and at the pressures (0.1, 20, 40, and 60) MPa

✍ Scribed by H. Geyer; ; P. Ulbig; ; M. Görnert; ; A. Susanto

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
164 KB
Volume
33
Category
Article
ISSN
0021-9614

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✦ Synopsis

Excess molar volumes V E m of (1,2-propanediol + water) and (1,2-butanediol + water) were measured at temperatures of (288.15, 298.15, and 308.15) K and at pressures of (0.1, 20, 40, and 60) MPa with a densimeter, model DMA 512p from Anton Paar. Values of V E m were negative for all the mixtures studied over the whole concentration range and for all temperatures and pressures. Results were correlated by polynomial equations of Redlich and Kister and of Myers and Scott.

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