Measurements and Correlation of High-Pressure Densities of Phosphonium Based Ionic Liquids
authors Tome, LIN; Gardas, RL; Carvalho, PJ; Pastoriza-Gallego, MJ; Pineiro, MM; Coutinho, JAP
nationality International
journal JOURNAL OF CHEMICAL AND ENGINEERING DATA
keywords MODIFIED CELL MODEL; RHO-T MEASUREMENTS; EQUATION-OF-STATE; THERMODYNAMIC PROPERTIES; PHYSICAL-PROPERTIES; ORGANIC-COMPOUNDS; POLYMER LIQUIDS; CARBON-DIOXIDE; TEMPERATURE; IMIDAZOLIUM
abstract Experimental density measurements are reported along with the derived thermodynamic properties (isothermal compressibility, isobaric expansivity, and thermal pressure coefficient) for trihexyltetradecylphosphonium-based ionic liquids chloride, bromide, bis(trifluoromethylsulfonyl)imide, dicyanamide and methyl sulfonate-in the pressure range (0.10 to 45.00 MPa) and temperature range (283.15 to 333.15) K The effect of the anion of the ionic liquid on the properties under study was evaluated. Experimental densities were correlated using the Tait equation, the modified cell model equation of state, and the Sanchez-Lacombe equation of state, and compared against the predictive method proposed by Gardas and Coutinho. It is shown that the three correlations describe well all the ILs studied, with the Tait equation providing the lowest average relative deviation (less than 0.004 %) and the Sanchez-Lacombe equation of state the highest (inferior to 0.5 %), and that the predicted densities estimated by Gardas and Coutinho method are in good agreement with the experimental densities determined.
publisher AMER CHEMICAL SOC
issn 0021-9568
year published 2011
volume 56
issue 5
beginning page 2205
ending page 2217
digital object identifier (doi) 10.1021/je101232g
web of science category Thermodynamics; Chemistry, Multidisciplinary; Engineering, Chemical
subject category Thermodynamics; Chemistry; Engineering
unique article identifier WOS:000290427200065
  ciceco authors
  impact metrics
journal analysis (jcr 2019):
journal impact factor 2.369
5 year journal impact factor 2.503
category normalized journal impact factor percentile 53.135
dimensions (citation analysis):
altmetrics (social interaction):



 


Sponsors

1suponsers_list_ciceco.jpg