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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemistry
Thermophysical properties of 1-butyl-4-methylpyridinium tetrafluoroborate
Journal of Chemical Thermodynamics, Volume 51, Year 2012
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Description
Thermophysical properties, {(p, ρ, T) at T = (283.15 to 393.15) K, pressures up to p = 100 MPa, and viscosity at T = (283.15 to 373.15) K and p = 0.101 MPa}, of 1-butyl-4-methylpyridinium tetrafluoroborate [b4mpy][BF 4] are reported. The measurements were carried out with a recently constructed Anton-Paar DMA HPM vibration-tube densimeter and a fully automated SVM 3000 Anton-Paar rotational Stabinger viscometer. The vibration-tube densimeter was calibrated using double-distilled water, methanol, toluene, and aqueous NaCl solutions. An empirical equation of state for fitting of the (p, ρ, T) data of [b4mpy][BF 4] has been developed as a function of pressure and temperature to calculate the thermal properties of the ionic liquid (IL), such as isothermal compressibility, isobaric thermal expansibility, differences in isobaric and isochoric heat capacities, thermal pressure coefficient, and internal pressure. Internal pressure and the temperature coefficient of internal pressure data were used to make conclusions on the molecular characteristics of the IL. © 2012 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Safarov, Javid T.
Germany, Rostock
Universität Rostock
Azerbaijan, Baku
Azerbaijan Technical University
Kul, Ismail
United States, Chester
Widener University
El-Awady, Waleed A.
Azerbaijan, Baku
Azerbaijan Technical University
Egypt, Mansoura
Faculty of Engineering
Nocke, Jürgen
Germany, Rostock
Universität Rostock
Shahverdiyev, A. N.
Azerbaijan, Baku
Azerbaijan Technical University
Hassel, Egon P.
Germany, Rostock
Universität Rostock
Statistics
Citations: 21
Authors: 6
Affiliations: 4
Identifiers
Doi:
10.1016/j.jct.2012.02.018
ISSN:
00219614
e-ISSN:
10963626
Research Areas
Environmental