NIST TRC ThermoML Dataset

Activity coefficients of NaF in aqueous mixtures with ε-increasing co-solvent: N-methylformamide-water mixtures at 298.15 K Hernández-Luis, F.; Rodríguez-Raposo, R.; Galleguillos, H.R.; Morales, J.W.; Fluid Phase Equilibria 2016, 425, 451-464

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

Data

P = 95.7 kPa, T = 298.15 K
m (mol kg^-1)	γ (mol dm³ mol-1 dm^-3)
0.00595	0.923
0.4057	0.646
0.5280	0.626
0.6406	0.61
0.7000	0.603
0.7637	0.596
0.8020	0.592
0.8490	0.587
0.9150	0.581
0.9770	0.575
0.0193	0.869
0.0363	0.831
0.0692	0.786
0.1072	0.752
0.1998	0.703
0.2450	0.687
0.3023	0.67
0.3490	0.658

4178; sodium fluoride + water; 00004:00253