Mixture of Tetraethylene glycol + Tromethamine + Water

Datasets

1. C_p,liquid - Molar heat capacity at constant pressure, J/K/mol (2)
2. σ_cond - Electrical conductivity, S/m (2)
3. n₀ - Refractive index (Na D-line) (2)
4. ρ_l - Mass density, kg/m3 (2)

Molar heat capacity at constant pressure, J/K/mol [ref]

Operational conditions:

• Mass fraction = 0.4 (Liquid)
• Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Mass fraction of Tromethamine (2) - Liquid	Temperature, K - Liquid	Molar heat capacity at constant pressure, J/K/mol - Liquid
0.0400	303.15	333.20
0.0400	308.15	334.60
0.0400	313.15	336.60
0.0400	318.15	337.50
0.0400	323.15	339.30
0.0400	328.15	340.60
0.0400	333.15	342.80
0.0400	338.15	344.20
0.0400	343.15	345.70
0.0400	348.15	347.70
0.0400	353.15	349.60
0.0900	303.15	337.10
0.0900	308.15	339.20
0.0900	313.15	341.50
0.0900	318.15	342.90
0.0900	323.15	344.90
0.0900	328.15	347.00
0.0900	333.15	349.50
0.0900	338.15	351.10
0.0900	343.15	352.90
0.0900	348.15	354.80
0.0900	353.15	357.00
0.1600	303.15	343.90
0.1600	308.15	346.20
0.1600	313.15	348.80
0.1600	318.15	350.10
0.1600	323.15	352.80
0.1600	328.15	354.50
0.1600	333.15	357.80
0.1600	338.15	360.20
0.1600	343.15	362.10
0.1600	348.15	364.60
0.1600	353.15	367.80

Molar heat capacity at constant pressure, J/K/mol [ref]

Operational conditions:

• Mass fraction = 0.4 (Liquid)
• Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Mass fraction of Tromethamine (2) - Liquid	Temperature, K - Liquid	Molar heat capacity at constant pressure, J/K/mol - Liquid
0.0400	303.15	333.20
0.0400	308.15	334.60
0.0400	313.15	336.60
0.0400	318.15	337.50
0.0400	323.15	339.30
0.0400	328.15	340.60
0.0400	333.15	342.80
0.0400	338.15	344.20
0.0400	343.15	345.70
0.0400	348.15	347.70
0.0400	353.15	349.60
0.0900	303.15	337.10
0.0900	308.15	339.20
0.0900	313.15	341.50
0.0900	318.15	342.90
0.0900	323.15	344.90
0.0900	328.15	347.00
0.0900	333.15	349.50
0.0900	338.15	351.10
0.0900	343.15	352.90
0.0900	348.15	354.80
0.0900	353.15	357.00
0.1600	303.15	343.90
0.1600	308.15	346.20
0.1600	313.15	348.80
0.1600	318.15	350.10
0.1600	323.15	352.80
0.1600	328.15	354.50
0.1600	333.15	357.80
0.1600	338.15	360.20
0.1600	343.15	362.10
0.1600	348.15	364.60
0.1600	353.15	367.80

Electrical conductivity, S/m [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed			Measured
Temperature, K - Liquid	Mole fraction of Tetraethylene glycol (1) - Liquid	Mole fraction of Tromethamine (2) - Liquid	Electrical conductivity, S/m - Liquid
303.15	0.0615	0.0099	0.0194
308.15	0.0615	0.0099	0.0225
313.15	0.0615	0.0099	0.0261
318.15	0.0615	0.0099	0.0297
323.15	0.0615	0.0099	0.0339
328.15	0.0615	0.0099	0.0382
333.15	0.0615	0.0099	0.0429
338.15	0.0615	0.0099	0.0480
343.15	0.0615	0.0099	0.0537
303.15	0.0661	0.0239	0.0161
308.15	0.0661	0.0239	0.0187
313.15	0.0661	0.0239	0.0214
318.15	0.0661	0.0239	0.0246
323.15	0.0661	0.0239	0.0281
328.15	0.0661	0.0239	0.0319
333.15	0.0661	0.0239	0.0361
338.15	0.0661	0.0239	0.0406
343.15	0.0661	0.0239	0.0458
303.15	0.0740	0.0475	0.0113
308.15	0.0740	0.0475	0.0135
313.15	0.0740	0.0475	0.0160
318.15	0.0740	0.0475	0.0185
323.15	0.0740	0.0475	0.0211
328.15	0.0740	0.0475	0.0243
333.15	0.0740	0.0475	0.0280
338.15	0.0740	0.0475	0.0321
343.15	0.0740	0.0475	0.0367
298.15	0.0615	0.0099	0.0171
298.15	0.0661	0.0239	0.0136
298.15	0.0740	0.0475	0.0094

Electrical conductivity, S/m [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed			Measured
Temperature, K - Liquid	Mole fraction of Tetraethylene glycol (1) - Liquid	Mole fraction of Tromethamine (2) - Liquid	Electrical conductivity, S/m - Liquid
303.15	0.0615	0.0099	0.0194
308.15	0.0615	0.0099	0.0225
313.15	0.0615	0.0099	0.0261
318.15	0.0615	0.0099	0.0297
323.15	0.0615	0.0099	0.0339
328.15	0.0615	0.0099	0.0382
333.15	0.0615	0.0099	0.0429
338.15	0.0615	0.0099	0.0480
343.15	0.0615	0.0099	0.0537
303.15	0.0661	0.0239	0.0161
308.15	0.0661	0.0239	0.0187
313.15	0.0661	0.0239	0.0214
318.15	0.0661	0.0239	0.0246
323.15	0.0661	0.0239	0.0281
328.15	0.0661	0.0239	0.0319
333.15	0.0661	0.0239	0.0361
338.15	0.0661	0.0239	0.0406
343.15	0.0661	0.0239	0.0458
303.15	0.0740	0.0475	0.0113
308.15	0.0740	0.0475	0.0135
313.15	0.0740	0.0475	0.0160
318.15	0.0740	0.0475	0.0185
323.15	0.0740	0.0475	0.0211
328.15	0.0740	0.0475	0.0243
333.15	0.0740	0.0475	0.0280
338.15	0.0740	0.0475	0.0321
343.15	0.0740	0.0475	0.0367
298.15	0.0615	0.0099	0.0171
298.15	0.0661	0.0239	0.0136
298.15	0.0740	0.0475	0.0094

Refractive index (Na D-line) [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed			Measured
Temperature, K - Liquid	Mole fraction of Tromethamine (2) - Liquid	Mole fraction of Tetraethylene glycol (1) - Liquid	Refractive index (Na D-line) - Liquid
298.15	0.0099	0.0615	1.3943
303.15	0.0099	0.0615	1.3932
308.15	0.0099	0.0615	1.392
313.15	0.0099	0.0615	1.3907
318.15	0.0099	0.0615	1.3894
323.15	0.0099	0.0615	1.3882
328.15	0.0099	0.0615	1.3873
333.15	0.0099	0.0615	1.386
338.15	0.0099	0.0615	1.3844
343.15	0.0099	0.0615	1.3833
298.15	0.0239	0.0661	1.3987
303.15	0.0239	0.0661	1.3975
308.15	0.0239	0.0661	1.3963
313.15	0.0239	0.0661	1.3951
318.15	0.0239	0.0661	1.3939
323.15	0.0239	0.0661	1.3927
328.15	0.0239	0.0661	1.3914
333.15	0.0239	0.0661	1.3903
338.15	0.0239	0.0661	1.3891
343.15	0.0239	0.0661	1.388
298.15	0.0475	0.0740	1.4112
303.15	0.0475	0.0740	1.41
308.15	0.0475	0.0740	1.4087
313.15	0.0475	0.0740	1.4075
318.15	0.0475	0.0740	1.4061
323.15	0.0475	0.0740	1.4048
328.15	0.0475	0.0740	1.4036
333.15	0.0475	0.0740	1.4023
338.15	0.0475	0.0740	1.4011
343.15	0.0475	0.0740	1.3999

Refractive index (Na D-line) [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed			Measured
Temperature, K - Liquid	Mole fraction of Tromethamine (2) - Liquid	Mole fraction of Tetraethylene glycol (1) - Liquid	Refractive index (Na D-line) - Liquid
298.15	0.0099	0.0615	1.3943
303.15	0.0099	0.0615	1.3932
308.15	0.0099	0.0615	1.392
313.15	0.0099	0.0615	1.3907
318.15	0.0099	0.0615	1.3894
323.15	0.0099	0.0615	1.3882
328.15	0.0099	0.0615	1.3873
333.15	0.0099	0.0615	1.386
338.15	0.0099	0.0615	1.3844
343.15	0.0099	0.0615	1.3833
298.15	0.0239	0.0661	1.3987
303.15	0.0239	0.0661	1.3975
308.15	0.0239	0.0661	1.3963
313.15	0.0239	0.0661	1.3951
318.15	0.0239	0.0661	1.3939
323.15	0.0239	0.0661	1.3927
328.15	0.0239	0.0661	1.3914
333.15	0.0239	0.0661	1.3903
338.15	0.0239	0.0661	1.3891
343.15	0.0239	0.0661	1.388
298.15	0.0475	0.0740	1.4112
303.15	0.0475	0.0740	1.41
308.15	0.0475	0.0740	1.4087
313.15	0.0475	0.0740	1.4075
318.15	0.0475	0.0740	1.4061
323.15	0.0475	0.0740	1.4048
328.15	0.0475	0.0740	1.4036
333.15	0.0475	0.0740	1.4023
338.15	0.0475	0.0740	1.4011
343.15	0.0475	0.0740	1.3999

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed			Measured
Temperature, K - Liquid	Mole fraction of Tetraethylene glycol (1) - Liquid	Mole fraction of Tromethamine (2) - Liquid	Mass density, kg/m3 - Liquid
303.15	0.0615	0.0099	1066.6
308.15	0.0615	0.0099	1063.7
313.15	0.0615	0.0099	1060.7
318.15	0.0615	0.0099	1057.6
323.15	0.0615	0.0099	1054.4
328.15	0.0615	0.0099	1051.2
333.15	0.0615	0.0099	1047.8
338.15	0.0615	0.0099	1044.4
343.15	0.0615	0.0099	1040.8
303.15	0.0661	0.0239	1082.5
308.15	0.0661	0.0239	1079.4
313.15	0.0661	0.0239	1076.3
318.15	0.0661	0.0239	1073.1
323.15	0.0661	0.0239	1069.8
328.15	0.0661	0.0239	1066.4
333.15	0.0661	0.0239	1062.9
338.15	0.0661	0.0239	1059.4
343.15	0.0661	0.0239	1055.8
303.15	0.0740	0.0475	1101.5
308.15	0.0740	0.0475	1098.3
313.15	0.0740	0.0475	1095.0
318.15	0.0740	0.0475	1091.7
323.15	0.0740	0.0475	1088.2
328.15	0.0740	0.0475	1084.8
333.15	0.0740	0.0475	1081.3
338.15	0.0740	0.0475	1077.7
343.15	0.0740	0.0475	1074.0
298.15	0.0615	0.0099	1069.4
298.15	0.0661	0.0239	1085.5
298.15	0.0740	0.0475	1104.6

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed			Measured
Temperature, K - Liquid	Mole fraction of Tetraethylene glycol (1) - Liquid	Mole fraction of Tromethamine (2) - Liquid	Mass density, kg/m3 - Liquid
303.15	0.0615	0.0099	1066.6
308.15	0.0615	0.0099	1063.7
313.15	0.0615	0.0099	1060.7
318.15	0.0615	0.0099	1057.6
323.15	0.0615	0.0099	1054.4
328.15	0.0615	0.0099	1051.2
333.15	0.0615	0.0099	1047.8
338.15	0.0615	0.0099	1044.4
343.15	0.0615	0.0099	1040.8
303.15	0.0661	0.0239	1082.5
308.15	0.0661	0.0239	1079.4
313.15	0.0661	0.0239	1076.3
318.15	0.0661	0.0239	1073.1
323.15	0.0661	0.0239	1069.8
328.15	0.0661	0.0239	1066.4
333.15	0.0661	0.0239	1062.9
338.15	0.0661	0.0239	1059.4
343.15	0.0661	0.0239	1055.8
303.15	0.0740	0.0475	1101.5
308.15	0.0740	0.0475	1098.3
313.15	0.0740	0.0475	1095.0
318.15	0.0740	0.0475	1091.7
323.15	0.0740	0.0475	1088.2
328.15	0.0740	0.0475	1084.8
333.15	0.0740	0.0475	1081.3
338.15	0.0740	0.0475	1077.7
343.15	0.0740	0.0475	1074.0
298.15	0.0615	0.0099	1069.4
298.15	0.0661	0.0239	1085.5
298.15	0.0740	0.0475	1104.6

Sources

• Molar heat capacities of some aqueous 2-amino-2-hydroxymethyl-1,3-propanediol + glycol systems
• Thermophysical property characterization of ternary system containing {glycol (DEG/TEG/T4EG) + 2-amino-2-hydroxymethyl-1,3-propanediol + water}