Mixture of hydrogen fluoride + Water

Datasets

1. (Relative) activity (2)
2. Mole fraction (2)
3. T_boil - Boiling temperature at pressure P, K (2)

(Relative) activity of Water (2) [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of hydrogen fluoride (1) - Liquid	(Relative) activity of Water (2) - Liquid
298.15	0.1000	0.9971
298.15	0.2000	0.9946
298.15	0.3000	0.9925
298.15	0.4000	0.9908
298.15	0.5000	0.9890
298.15	0.8000	0.9847
298.15	1.0000	0.9817
298.15	2.0	0.9653
298.15	2.5	0.9569
298.15	3.0	0.9485
298.15	3.5	0.9399
298.15	4.0	0.9307
298.15	5.0	0.9126
298.15	6.0	0.8935
313.15	0.1000	0.9971
313.15	0.2000	0.9947
313.15	0.3000	0.9927
313.15	0.4000	0.9910
313.15	0.5000	0.9893
313.15	0.8000	0.9852
313.15	1.0000	0.9824
313.15	2.0	0.9664
313.15	2.5	0.9583
313.15	3.0	0.9502
313.15	3.5	0.9418
313.15	4.0	0.9329
313.15	5.0	0.9152
313.15	6.0	0.8966
333.15	0.1000	0.9971
333.15	0.2000	0.9948
333.15	0.3000	0.9928
333.15	0.4000	0.9911
333.15	0.5000	0.9895
333.15	0.8000	0.9855
333.15	1.0000	0.9827
333.15	2.0	0.9670
333.15	2.5	0.9591
333.15	3.0	0.9511
333.15	3.5	0.9429
333.15	4.0	0.9341
333.15	5.0	0.9167
333.15	6.0	0.8984
353.15	0.1000	0.9972
353.15	0.2000	0.9949
353.15	0.3000	0.9929
353.15	0.4000	0.9913
353.15	0.5000	0.9896
353.15	0.8000	0.9857
353.15	1.0000	0.9830
353.15	2.0	0.9677
353.15	2.5	0.9600
353.15	3.0	0.9522
353.15	3.5	0.9441
353.15	4.0	0.9355
353.15	5.0	0.9184
353.15	6.0	0.9004

(Relative) activity of Water (2) [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of hydrogen fluoride (1) - Liquid	(Relative) activity of Water (2) - Liquid
298.15	0.1000	0.9971
298.15	0.2000	0.9946
298.15	0.3000	0.9925
298.15	0.4000	0.9908
298.15	0.5000	0.9890
298.15	0.8000	0.9847
298.15	1.0000	0.9817
298.15	2.0	0.9653
298.15	2.5	0.9569
298.15	3.0	0.9485
298.15	3.5	0.9399
298.15	4.0	0.9307
298.15	5.0	0.9126
298.15	6.0	0.8935
313.15	0.1000	0.9971
313.15	0.2000	0.9947
313.15	0.3000	0.9927
313.15	0.4000	0.9910
313.15	0.5000	0.9893
313.15	0.8000	0.9852
313.15	1.0000	0.9824
313.15	2.0	0.9664
313.15	2.5	0.9583
313.15	3.0	0.9502
313.15	3.5	0.9418
313.15	4.0	0.9329
313.15	5.0	0.9152
313.15	6.0	0.8966
333.15	0.1000	0.9971
333.15	0.2000	0.9948
333.15	0.3000	0.9928
333.15	0.4000	0.9911
333.15	0.5000	0.9895
333.15	0.8000	0.9855
333.15	1.0000	0.9827
333.15	2.0	0.9670
333.15	2.5	0.9591
333.15	3.0	0.9511
333.15	3.5	0.9429
333.15	4.0	0.9341
333.15	5.0	0.9167
333.15	6.0	0.8984
353.15	0.1000	0.9972
353.15	0.2000	0.9949
353.15	0.3000	0.9929
353.15	0.4000	0.9913
353.15	0.5000	0.9896
353.15	0.8000	0.9857
353.15	1.0000	0.9830
353.15	2.0	0.9677
353.15	2.5	0.9600
353.15	3.0	0.9522
353.15	3.5	0.9441
353.15	4.0	0.9355
353.15	5.0	0.9184
353.15	6.0	0.9004

Mole fraction of hydrogen fluoride (1) [ref]

Operational condition: Pressure, kPa = 101.3 (Gas)

Mole fraction of hydrogen fluoride (1) - Liquid	Mole fraction of hydrogen fluoride (1) - Gas
0.1130	0.0180
0.2140	0.0890
0.3020	0.2140
0.3690	0.3910
0.4020	0.5090

Mole fraction of hydrogen fluoride (1) [ref]

Operational condition: Pressure, kPa = 101.3 (Gas)

Mole fraction of hydrogen fluoride (1) - Liquid	Mole fraction of hydrogen fluoride (1) - Gas
0.1130	0.0180
0.2140	0.0890
0.3020	0.2140
0.3690	0.3910
0.4020	0.5090

Boiling temperature at pressure P, K [ref]

Operational condition: Pressure, kPa = 101.3 (Gas)

Mole fraction of hydrogen fluoride (1) - Liquid	Boiling temperature at pressure P, K - Liquid
0.1130	374.30
0.2140	375.60
0.3020	376.40
0.3690	380.40
0.4020	379.20

Boiling temperature at pressure P, K [ref]

Operational condition: Pressure, kPa = 101.3 (Gas)

Mole fraction of hydrogen fluoride (1) - Liquid	Boiling temperature at pressure P, K - Liquid
0.1130	374.30
0.2140	375.60
0.3020	376.40
0.3690	380.40
0.4020	379.20

Sources

• Distillation Separation of Hydrofluoric Acid and Nitric Acid From Acid Waste using the Salt Effect on Vapor-Liquid Equilibrium
• Chemical speciation of aqueous hydrogen fluoride at various temperatures from 298.15 K to 353.15 K