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Excess molar volumes of {x(C4H9)2O + (1−x)H(CH2)v(OCH2CH2)3OH} (v= 1, 2, and 4) at the temperature 298.15 K

✍ Scribed by Amalendu Pal; Wazir Singh

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
390 KB
Volume
28
Category
Article
ISSN
0021-9614

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✦ Synopsis

The excess molar volumes V E m of binary mixtures of {x(C4H9)2O + (1-x)H(CH2)n (OCH2CH2)3OH} for n=1, 2, and 4 have been measured as a function of mole fraction x using a continuous-dilution dilatometer at T=298.15 K. The V E m decreases in magnitude as the alkyl chain length of the alkoxyethanol increases. Excess volumes are positive over the whole mole fraction range for the systems di-n-butylether with n=1 and 2 and change sign from positive to negative for the remaining system di-n-butylether with n=4. The behaviour of V E m with composition and the number of carbon atoms in the aliphatic chain of the alkoxyethanol is discussed along with those for other two homologous series reported in the literature.

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