NIST TRC ThermoML Dataset

Assessing the activity coefficients of water in cholinium-based ionic liquids: Experimental measurements and COSMO-RS modeling Khan, I.; Kurnia, K.A.; Sintra, T.E.; Saraiva, J.A.; Pinho, S.P.; Coutinho, J.A.; Fluid Phase Equilibria 2014, 361, 16-22

Journal: Fluid Phase Equilibria
Sample Quantity(ies): Activity coefficient
Methodology: Calculated from EMF cell potential
Phase(s): Liquid
Substances:
1. choline chloride C5H14ClNO (SGMZJAMFUVOLNK-UHFFFAOYSA-M) - Commercial source
2. water H2O (XLYOFNOQVPJJNP-UHFFFAOYSA-N) - Commercial source

Data

P = 101 kPa, T = 298.2 K
x (mol mol^-1)	γ (mol dm³ mol-1 dm^-3)
0.985	0.987
0.969	0.975
0.948	0.955
0.920	0.917
0.887	0.859
0.840	0.772
0.772	0.632
0.668	0.448

6569; choline chloride + water; 00004:00310