2
0
2010
zha
wan
1
journal
Original
Zhang, X.-j.[Xiang-jing]
Wang, J.-y.[Jian-ying]
Hu, Y.-Q.[Yong-Qi]
J. Chem. Eng. Data
2010
2020-09-29
Interfacial Tension of n-Alkane and Ionic Liquid Systems
Liquid-liquid interfacial tension of four 1-alkyl-3-methylimidazolium ([Cn-mim], n = 5, 6, 7, 8) based ionic liquids (ILs) and two n-alkanes (n = 6, 7) are reported in the temperature range from (283.15 to 343.15) K at atmospheric pressure using the platinum ring method. The interfacial tensions show a linear decrease with increasing temperature. The obtained data were correlated by an empirical equation, and fitting interfacial tension parameters are presented.
10.1021/je100407f
11
55
4687-4690
1
InChI=1S/C8H15N2.F6P/c1-3-4-5-10-7-6-9(2)8-10;1-7(2,3,4,5)6/h6-8H,3-5H2,1-2H3;/q+1;-1
IXQYBUDWDLYNMA-UHFFFAOYSA-N
1-butyl-3-methylimidazolium hexafluorophosphate
1-butyl-3-methyl-1H-imidazol-3-ium hexafluorophosphate
1-butyl-3-methylimidazolium hexafluorophosphate [BMIM][PF6]
1-n-butyl-3-methylimidazolium hexafluorophosphate
1-n-butyl-3-methylimidazolium hexafluorophosphate [BMIM][PF6]
C8H15F6N2P
1
Commercial source
1
99
2
Stated by supplier
2
Dried by vacuum heating
3
0.03
1
Karl Fischer titration
2
InChI=1S/C9H17N2.F6P/c1-3-4-5-6-11-8-7-10(2)9-11;1-7(2,3,4,5)6/h7-9H,3-6H2,1-2H3;/q+1;-1
FONXQLHVCRQLQO-UHFFFAOYSA-N
1-methyl-3-pentylimidazolium hexafluorophosphate
1-pentyl-3-methylimidazolium hexafluorophosphate
C9H17F6N2P
1
Commercial source
1
99
2
Stated by supplier
2
Dried by vacuum heating
3
0.03
1
Karl Fischer titration
3
InChI=1S/C10H19N2.F6P/c1-3-4-5-6-7-12-9-8-11(2)10-12;1-7(2,3,4,5)6/h8-10H,3-7H2,1-2H3;/q+1;-1
YPWSSSRXUOQNMQ-UHFFFAOYSA-N
1-hexyl-3-methylimidazolium hexafluorophosphate
C10H19F6N2P
1
Commercial source
1
99
2
Stated by supplier
2
Dried by vacuum heating
3
0.03
1
Karl Fischer titration
4
InChI=1S/C12H23N2.F6P/c1-3-4-5-6-7-8-9-14-11-10-13(2)12-14;1-7(2,3,4,5)6/h10-12H,3-9H2,1-2H3;/q+1;-1
GRCIJNHHTXBJAK-UHFFFAOYSA-N
1-octyl-3-methylimidazolium hexafluorophosphate
1-methyl-3-octylimidazolium hexafluorophosphate
C12H23F6N2P
1
Commercial source
1
99
2
Stated by supplier
2
Dried by vacuum heating
3
0.03
1
Karl Fischer titration
5
InChI=1S/C7H16/c1-3-5-7-6-4-2/h3-7H2,1-2H3
IMNFDUFMRHMDMM-UHFFFAOYSA-N
heptane
n-heptane
C7H16
1
Commercial source
1
99
2
Stated by supplier
6
InChI=1S/C6H14/c1-3-5-6-4-2/h3-6H2,1-2H3
VLKZOEOYAKHREP-UHFFFAOYSA-N
hexane
n-hexane
C6H14
1
Commercial source
1
99
2
Stated by supplier
1
6
1
2
1
Principal objective of the work
KNA
TRC
11/24/2010
1
Interfacial tension, N/m
Ring tensiometer
Liquid mixture 1
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid mixture 1
Liquid mixture 2
1
Pressure, kPa
Liquid mixture 1
101
3
1
Temperature, K
Liquid mixture 1
1
283.15
5
1
0.01237
4
1
0.0003
1
293.15
5
1
0.01192
4
1
0.00029
1
313.15
5
1
0.012
4
1
0.00029
1
313.15
5
1
0.01193
4
1
0.00029
1
323.15
5
1
0.01178
4
1
0.00029
1
333.15
5
1
0.01167
4
1
0.00029
2
6
1
3
1
Principal objective of the work
KNA
TRC
11/24/2010
1
Interfacial tension, N/m
Ring tensiometer
Liquid mixture 1
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid mixture 1
Liquid mixture 2
1
Pressure, kPa
Liquid mixture 1
101
3
1
Temperature, K
Liquid mixture 1
1
283.15
5
1
0.00901
3
1
0.00026
1
293.15
5
1
0.0089
3
1
0.00026
1
303.15
5
1
0.00883
3
1
0.00026
1
313.15
5
1
0.00884
3
1
0.00026
1
323.15
5
1
0.00873
3
1
0.00026
1
333.15
5
1
0.00868
3
1
0.00026
3
6
1
4
1
Principal objective of the work
KNA
TRC
11/24/2010
1
Interfacial tension, N/m
Ring tensiometer
Liquid mixture 1
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid mixture 1
Liquid mixture 2
1
Pressure, kPa
Liquid mixture 1
101
3
1
Temperature, K
Liquid mixture 1
1
283.15
5
1
0.00489
3
1
0.00023
1
293.15
5
1
0.00477
3
1
0.00023
1
303.15
5
1
0.00466
3
1
0.00023
1
313.15
5
1
0.00452
3
1
0.00022
1
323.15
5
1
0.00445
3
1
0.00022
1
333.15
5
1
0.00446
3
1
0.00022
4
5
1
1
1
Principal objective of the work
KNA
TRC
11/24/2010
1
Interfacial tension, N/m
Ring tensiometer
Liquid mixture 1
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid mixture 1
Liquid mixture 2
1
Pressure, kPa
Liquid mixture 1
101
3
1
Temperature, K
Liquid mixture 1
1
283.15
5
1
0.01481
4
1
0.00032
1
293.15
5
1
0.01469
4
1
0.00032
1
303.15
5
1
0.01467
4
1
0.00032
1
313.15
5
1
0.01459
4
1
0.00032
1
323.15
5
1
0.0145
4
1
0.00032
1
333.15
5
1
0.01441
4
1
0.00032
5
5
1
2
1
Principal objective of the work
KNA
TRC
11/24/2010
1
Interfacial tension, N/m
Ring tensiometer
Liquid mixture 1
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid mixture 1
Liquid mixture 2
1
Pressure, kPa
Liquid mixture 1
101
3
1
Temperature, K
Liquid mixture 1
1
283.15
5
1
0.01223
4
1
0.0003
1
293.15
5
1
0.01212
4
1
0.00029
1
303.15
5
1
0.01202
4
1
0.00029
1
313.15
5
1
0.0119
4
1
0.00029
1
323.15
5
1
0.01163
4
1
0.00029
1
333.15
5
1
0.01153
4
1
0.00029
6
5
1
3
1
Principal objective of the work
KNA
TRC
11/24/2010
1
Interfacial tension, N/m
Ring tensiometer
Liquid mixture 1
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid mixture 1
Liquid mixture 2
1
Pressure, kPa
Liquid mixture 1
101
3
1
Temperature, K
Liquid mixture 1
1
283.15
5
1
0.00886
3
1
0.00026
1
293.15
5
1
0.00874
3
1
0.00026
1
303.15
5
1
0.00873
3
1
0.00026
1
313.15
5
1
0.00869
3
1
0.00026
1
323.15
5
1
0.00854
3
1
0.00026
1
333.15
5
1
0.00847
3
1
0.00026