Densities and Excess Molar Volumes of Alkane (Heptane, Octane, Nonane, or Decane) + Thiophene from T=293.15 to 313.15 K

Densities of four binary systems composed of an alkane (heptane, octane, nonane, or decane) and thiophene were measured at temperatures from 293.15 to 313.15 K at atmospheric pressure (0.7 atm). Measurements were made covering the full range of compositions for all systems studied and for the pure c...

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Bibliographic Details
Published in:Journal of solution chemistry 2012-07, Vol.41 (6), p.1054-1066
Main Authors: Cisneros-Pérez, Edgar, Reza-San Germán, Carmen M., Manríquez-Ramírez, María E., Zúñiga-Moreno, Abel
Format: Article
Language:English
Subjects:
Alkanes
Binary systems
Chemistry
Chemistry and Materials Science
Condensed Matter Physics
Density
Exact sciences and technology
General and physical chemistry
Geochemistry
Heptanes
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Molar volume
Nonanes
Oceanography
Octane
Physical Chemistry
Solutions
Thiophenes
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Summary:Densities of four binary systems composed of an alkane (heptane, octane, nonane, or decane) and thiophene were measured at temperatures from 293.15 to 313.15 K at atmospheric pressure (0.7 atm). Measurements were made covering the full range of compositions for all systems studied and for the pure compounds by using a vibrating-tube densimeter (VTD). Excess molar volumes have been obtained from these experimental results and were fitted to a Redlich–Kister type expansion. The excess molar volumes exhibit positive deviations from ideal behavior for all of the binary systems studied here.
ISSN:0095-9782
1572-8927
DOI:10.1007/s10953-012-9851-2