Mixture of sodium fluoride + Water

Datasets

1. Mean ionic activity coefficient (4)
2. Mass fraction (2)
3. σ_cond - Electrical conductivity, S/m (2)
4. ρ_l - Mass density, kg/m3 (2)

Mean ionic activity coefficient of sodium fluoride (1) [ref]

Operational conditions:

• Pressure, kPa = 95.7 (Liquid)
• Temperature, K = 298.15 (Liquid)

Molality, mol/kg of sodium fluoride (1) - Liquid	Mean ionic activity coefficient of sodium fluoride (1) - Liquid
0.0060	0.9230
0.0193	0.8690
0.0363	0.8310
0.0692	0.7860
0.1072	0.7520
0.1998	0.7030
0.2450	0.6870
0.3023	0.6700
0.3490	0.6580
0.4057	0.6460
0.5280	0.6260
0.6406	0.6100
0.7000	0.6030
0.7637	0.5960
0.8020	0.5920
0.8490	0.5870
0.9150	0.5810
0.9770	0.5750

Mean ionic activity coefficient of sodium fluoride (1) [ref]

Operational conditions:

• Temperature, K = 298.15 (Liquid)
• Pressure, kPa = 101 (Liquid)

Molality, mol/kg of sodium fluoride (1) - Liquid	Mean ionic activity coefficient of sodium fluoride (1) - Liquid
0.0271	0.8500
0.0538	0.8080
0.0693	0.7930
0.0868	0.7810
0.1248	0.7520
0.1677	0.7270
0.2315	0.6990
0.2806	0.6820
0.3506	0.6630
0.4188	0.6470
0.5047	0.6340
0.6012	0.6180
0.6683	0.6100
0.7315	0.6030
0.8183	0.5950
0.8780	0.5890
0.9492	0.5760
0.9830	0.5690

Mean ionic activity coefficient of sodium fluoride (1) [ref]

Operational conditions:

• Pressure, kPa = 95.7 (Liquid)
• Temperature, K = 298.15 (Liquid)

Molality, mol/kg of sodium fluoride (1) - Liquid	Mean ionic activity coefficient of sodium fluoride (1) - Liquid
0.0060	0.9230
0.0193	0.8690
0.0363	0.8310
0.0692	0.7860
0.1072	0.7520
0.1998	0.7030
0.2450	0.6870
0.3023	0.6700
0.3490	0.6580
0.4057	0.6460
0.5280	0.6260
0.6406	0.6100
0.7000	0.6030
0.7637	0.5960
0.8020	0.5920
0.8490	0.5870
0.9150	0.5810
0.9770	0.5750

Mean ionic activity coefficient of sodium fluoride (1) [ref]

Operational conditions:

• Temperature, K = 298.15 (Liquid)
• Pressure, kPa = 101 (Liquid)

Molality, mol/kg of sodium fluoride (1) - Liquid	Mean ionic activity coefficient of sodium fluoride (1) - Liquid
0.0271	0.8500
0.0538	0.8080
0.0693	0.7930
0.0868	0.7810
0.1248	0.7520
0.1677	0.7270
0.2315	0.6990
0.2806	0.6820
0.3506	0.6630
0.4188	0.6470
0.5047	0.6340
0.6012	0.6180
0.6683	0.6100
0.7315	0.6030
0.8183	0.5950
0.8780	0.5890
0.9492	0.5760
0.9830	0.5690

Mass fraction of sodium fluoride (1) [ref]

Operational condition: Pressure, kPa = 88.79 (Liquid)

Temperature, K - Liquid	Mass fraction of sodium fluoride (1) - Liquid
323.15	0.0398
308.15	0.0394

Mass fraction of sodium fluoride (1) [ref]

Operational condition: Pressure, kPa = 88.79 (Liquid)

Temperature, K - Liquid	Mass fraction of sodium fluoride (1) - Liquid
323.15	0.0398
308.15	0.0394

Electrical conductivity, S/m [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of sodium fluoride (1) - Liquid	Electrical conductivity, S/m - Liquid
278.15	0.0001	0.0006
278.15	0.0009	0.0060
278.15	0.0088	0.0521
278.15	0.0906	0.4638
278.15	0.4176	1.917
278.15	0.8404	3.432
283.15	0.0001	0.0007
283.15	0.0009	0.0069
283.15	0.0088	0.0599
283.15	0.0906	0.5338
283.15	0.4176	2.201
283.15	0.8404	3.915
298.15	0.0001	0.0010
298.15	0.0009	0.0097
298.15	0.0088	0.0855
298.15	0.0906	0.7669
298.15	0.4176	3.151
298.15	0.8404	5.579
308.15	0.0001	0.0012
308.15	0.0009	0.0115
308.15	0.0088	0.1038
308.15	0.0906	0.9341
308.15	0.4176	3.824
308.15	0.8404	6.791
318.15	0.0001	0.0014
318.15	0.0009	0.0140
318.15	0.0088	0.1234
318.15	0.0906	1.112
318.15	0.4176	4.547
318.15	0.8404	7.478
343.15	0.0001	0.0020
343.15	0.0009	0.0201
343.15	0.0088	0.1798
343.15	0.0906	1.621
343.15	0.4176	6.57
343.15	0.8404	11.37
363.15	0.0001	0.0025
363.15	0.0009	0.0247
363.15	0.0088	0.2270
363.15	0.0906	2.042
363.15	0.4176	8.137
363.15	0.8404	14.54

Electrical conductivity, S/m [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of sodium fluoride (1) - Liquid	Electrical conductivity, S/m - Liquid
278.15	0.0001	0.0006
278.15	0.0009	0.0060
278.15	0.0088	0.0521
278.15	0.0906	0.4638
278.15	0.4176	1.917
278.15	0.8404	3.432
283.15	0.0001	0.0007
283.15	0.0009	0.0069
283.15	0.0088	0.0599
283.15	0.0906	0.5338
283.15	0.4176	2.201
283.15	0.8404	3.915
298.15	0.0001	0.0010
298.15	0.0009	0.0097
298.15	0.0088	0.0855
298.15	0.0906	0.7669
298.15	0.4176	3.151
298.15	0.8404	5.579
308.15	0.0001	0.0012
308.15	0.0009	0.0115
308.15	0.0088	0.1038
308.15	0.0906	0.9341
308.15	0.4176	3.824
308.15	0.8404	6.791
318.15	0.0001	0.0014
318.15	0.0009	0.0140
318.15	0.0088	0.1234
318.15	0.0906	1.112
318.15	0.4176	4.547
318.15	0.8404	7.478
343.15	0.0001	0.0020
343.15	0.0009	0.0201
343.15	0.0088	0.1798
343.15	0.0906	1.621
343.15	0.4176	6.57
343.15	0.8404	11.37
363.15	0.0001	0.0025
363.15	0.0009	0.0247
363.15	0.0088	0.2270
363.15	0.0906	2.042
363.15	0.4176	8.137
363.15	0.8404	14.54

Mass density, kg/m3 [ref]

Operational conditions:

• Mole fraction = 0.01 (Liquid)
• Pressure, kPa = 100 (Liquid)

Temperature, K - Liquid	Mass density, kg/m3 - Liquid
293.15	1022.7
303.15	1019.7
313.15	1016.0
323.15	1011.5
333.15	1006.5

Mass density, kg/m3 [ref]

Operational conditions:

• Mole fraction = 0.01 (Liquid)
• Pressure, kPa = 100 (Liquid)

Temperature, K - Liquid	Mass density, kg/m3 - Liquid
293.15	1022.7
303.15	1019.7
313.15	1016.0
323.15	1011.5
333.15	1006.5

Sources

• Activity coefficients of NaF in aqueous mixtures with e-increasing co-solvent: N-methylformamide-water mixtures at 298.15 K
• Activity coefficients of NaF in (glucose + water) and (sucrose + water) mixtures at 298.15 K
• Solubility measurements in Na-F-CO3-HCO3-H2O system at (308.15 and 323.15) K and development of a Pitzer-based equilibrium model for the Na-F-Cl-SO4-CO3-HCO3-H2O system
• Electrical Conductivity of Electrolytes Found In Natural Waters from (5 to 90) deg C
• Temperature Dependence of the Density of Aqueous Alkali Halide Salt Solutions by Experiment and Molecular Simulation