Figure 3
Plot of deviation of experimental ρexp. and literature ρcal.
densities of [BMIM][NTf2] at p=0.101 MPa
versus temperature: ▲, Huddleston et al. (2001)Huddleston, J. G., Visser, A. E., Reichert, W. M., Willauer, H. D.,
Broker, G. A., Rogers, R. D., Characterization and comparison of hydrophilic and
hydrophobic room temperature ionic liquids incorporating the imidazolium cation.
Green Chemistry, 3, 156-164 (2001).; x, Krummen et al. (2002)Krummen, M., Wasserscheid, P., Gmehling, J., Measurement of activity
coefficients at infinite dilution in ionic liquids using the dilutor technique.
Journal of Chemical & Engineering Data, 47, 1411-1417
(2002).;
■, Fredlake et al.
(2004)Fredlake, C. P., Crosthwaite, J. M., Hert, D. G., Aki, S. N. V. K.,
Brennecke, J. F., Thermophysical properties of imidazolium-based ionic liquids.
Journal of Chemical & Engineering Data, 49, 954-964 (2004).; ◊, Tokuda
et al. (2005)Tokuda, H., Hayamizu, K., Ishii, K., Susan, Md. A. B. H., Watanabe,
M., Physicochemical properties and structures of room temperature ionic liquids.
2. Variation of alkyl chain length in imidazolium cation. Journal of Physical
Chemistry B, 109, 6103-6110 (2005).; ☆, de Azevedo et al.
(2005)de Azevedo, R. G., Esperança, J. M. S. S., Szydlowski, J., Visak, Z.
P., Pires, P. F., Guedes, H. J. R., Rebelo, L. P. N., Thermophysical and
thermodynamic properties of ionic liquids over an extended pressure range:
[BMIM][NTF2] and [hmim][NTf2]. The Journal of Chemical
Thermodynamics, 37, 888-899 (2005).; ★, Jacquemin
et al. (2006)Jacquemin, J., Husson, P., Padua, A. A. H., Majer, V., Density and
viscosity of several pure and watersaturated ionic liquids. Green Chemistry, 8,
172-180 (2006).; ○, Tokuda et al. (2006)Tokuda, H., Tsuzuki, S., Susan, Md. A. B. H., Hayamizu, K.,
Watanabe, M., How ionic are roomtemperature ionic liquids? An indicator of the
physicochemical properties. Journal of Physical Chemistry B, 110, 19593-19600
(2006).;
♦, Troncoso et al.
(QUILL sample) (2006)Troncoso, J., Cerdeirińa, C. A., Sanmamed, Y. A., Romaní, L.,
Rebelo, L. P. N., Thermodynamic properties of imidazolium-based ionic liquids:
Densities, heat capacities, and enthalpies of fusion of [bmim][PF6] and
[BMIM][NTF2]. Journal of Chemical & Engineering Data, 51,
1856-1859 (2006).; ∆, Troncoso et al. (Covalent Associates sample)
(2006)Troncoso, J., Cerdeirińa, C. A., Sanmamed, Y. A., Romaní, L.,
Rebelo, L. P. N., Thermodynamic properties of imidazolium-based ionic liquids:
Densities, heat capacities, and enthalpies of fusion of [bmim][PF6] and
[BMIM][NTF2]. Journal of Chemical & Engineering Data, 51,
1856-1859 (2006).; +, Jacquemin et
al. (2007)Jacquemin, J., Husson, P., Mayer, V., Cibulka, I., High-pressure
volumetric properties of imidazolium-based ionic liquids: Effect of the anion.
Journal of Chemical & Engineering Data, 52, 2204-2211
(2007).; ●, Harris et al. (2007)Harris, K. R., Kanakubo, M., Woolf, L. A., Temperature and pressure
dependence of the viscosity of the ionic liquids 1-hexyl-3-methylimidazolium
hexafluorophosphate and 1-butyl-3-methylimidazolium
bis(trifluoromethylsulfonyl)imide. Journal of Chemical & Engineering Data,
52, 1080-1085 (2007).; ○, Katsuta et al. (2010)Katsuta, S., Shiozawa, Y., Imai, K., Kudo, Y., Takeda, Y., Stability
of ion pairs of bis(trifluoromethanesulfonyl)amide-based ionic liquids in
dichloromethane. c, 55, 1588-1593 (2010).; □, Geppert-Rybczyńska et al.
(2010)Ge, R., Hardacre, Ch., Jacquemin, J., Nancarrow, P., Rooney, D. W.,
Heat capacities of ionic liquids as a function of temperature at 0.1 MPa.
Measurement and Prediction, Journal of Chemical & Engineering Data, 53,
2148-2153 (2008).; ∇,Vranes
et al. (2012)Vranes, M., Dozic, S., Djeric, V., Gadzuric, S., Physicochemical
characterization of 1-butyl-3-methylimidazolium and
1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide. Journal of
Chemical & Engineering Data, 57, 1072-1077 (2012)..
Figure 4
Plot of deviation of experimental ρexp. and literature ρcal.
densities of [BMIM][NTf2] at various
temperatures versus pressure p/MPa:
◊, de Azevedo et
al., (2005)de Azevedo, R. G., Esperança, J. M. S. S., Szydlowski, J., Visak, Z.
P., Pires, P. F., Guedes, H. J. R., Rebelo, L. P. N., Thermophysical and
thermodynamic properties of ionic liquids over an extended pressure range:
[BMIM][NTF2] and [hmim][NTf2]. The Journal of Chemical
Thermodynamics, 37, 888-899 (2005).; ▲, Jacquemin et al., (2007)Jacquemin, J., Husson, P., Mayer, V., Cibulka, I., High-pressure
volumetric properties of imidazolium-based ionic liquids: Effect of the anion.
Journal of Chemical & Engineering Data, 52, 2204-2211
(2007)..
Figure 5
Plot of deviation of literature heat capacities
cp(p0,
T)/J·kg-1·K-1 values of [BMIM][NTF2] at
constant ambient pressure from our measured values versus temperature:
▲, Ge et al.
(2008)Ge, R., Hardacre, Ch., Jacquemin, J., Nancarrow, P., Rooney, D. W.,
Heat capacities of ionic liquids as a function of temperature at 0.1 MPa.
Measurement and Prediction, Journal of Chemical & Engineering Data, 53,
2148-2153 (2008).; ■, Blokhin et al.
(2008)Blokhin, A., Paulechka, Y., Strechan, A., Kabo, G., Physicochemical
properties, structure, and conformations of 1-butyl-3-methylimidazolium
bis(trifluoromethanesulfonyl)imide [C4mim]NTf2 ionic liquid. Journal of Physical
Chemistry B, 112, 4357-4364 (2008).; ♦, Fredlake
et al. (2004)Fredlake, C. P., Crosthwaite, J. M., Hert, D. G., Aki, S. N. V. K.,
Brennecke, J. F., Thermophysical properties of imidazolium-based ionic liquids.
Journal of Chemical & Engineering Data, 49, 954-964 (2004).; ∆, Holbrey et al. (2003)Holbrey, J. D., Reichert, W. M., Reddy, R. G., Rogers, R. D., In:
Ionic liquids as green solvents: Progress and prospects. ACS Symposium Series,
Vol. 856, Edited by R. D. Rogers and K. R. Seddon, American Chemical Society,
New York, 121 (2003).;
◊, Shimizu et al.
(2007)Shimizu, Y., Ohte, Y., Yamamura, Y., Saito, K., Effects of thermal
history on thermal anomaly in solid of ionic liquid compound, [C4mim][Tf2N].
Chemistry Letters, 36, 1484-1485 (2007).; ○, Troncoso
(QUILL) (2006)Troncoso, J., Cerdeirińa, C. A., Sanmamed, Y. A., Romaní, L.,
Rebelo, L. P. N., Thermodynamic properties of imidazolium-based ionic liquids:
Densities, heat capacities, and enthalpies of fusion of [bmim][PF6] and
[BMIM][NTF2]. Journal of Chemical & Engineering Data, 51,
1856-1859 (2006).; *, Troncoso
(Covalent Associates) (2006)Troncoso, J., Cerdeirińa, C. A., Sanmamed, Y. A., Romaní, L.,
Rebelo, L. P. N., Thermodynamic properties of imidazolium-based ionic liquids:
Densities, heat capacities, and enthalpies of fusion of [bmim][PF6] and
[BMIM][NTF2]. Journal of Chemical & Engineering Data, 51,
1856-1859 (2006)..