Mixture of Triethylene 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	264.10
0.0400	308.15	265.30
0.0400	313.15	266.70
0.0400	318.15	267.70
0.0400	323.15	269.40
0.0400	328.15	270.70
0.0400	333.15	272.60
0.0400	338.15	274.30
0.0400	343.15	276.10
0.0400	348.15	278.10
0.0400	353.15	280.20
0.0900	303.15	274.10
0.0900	308.15	276.20
0.0900	313.15	278.10
0.0900	318.15	279.50
0.0900	323.15	281.70
0.0900	328.15	283.20
0.0900	333.15	285.50
0.0900	338.15	287.50
0.0900	343.15	289.40
0.0900	348.15	291.20
0.0900	353.15	293.20
0.1600	303.15	291.30
0.1600	308.15	293.20
0.1600	313.15	295.60
0.1600	318.15	297.10
0.1600	323.15	299.40
0.1600	328.15	301.30
0.1600	333.15	303.30
0.1600	338.15	305.70
0.1600	343.15	307.60
0.1600	348.15	309.90
0.1600	353.15	312.50

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	264.10
0.0400	308.15	265.30
0.0400	313.15	266.70
0.0400	318.15	267.70
0.0400	323.15	269.40
0.0400	328.15	270.70
0.0400	333.15	272.60
0.0400	338.15	274.30
0.0400	343.15	276.10
0.0400	348.15	278.10
0.0400	353.15	280.20
0.0900	303.15	274.10
0.0900	308.15	276.20
0.0900	313.15	278.10
0.0900	318.15	279.50
0.0900	323.15	281.70
0.0900	328.15	283.20
0.0900	333.15	285.50
0.0900	338.15	287.50
0.0900	343.15	289.40
0.0900	348.15	291.20
0.0900	353.15	293.20
0.1600	303.15	291.30
0.1600	308.15	293.20
0.1600	313.15	295.60
0.1600	318.15	297.10
0.1600	323.15	299.40
0.1600	328.15	301.30
0.1600	333.15	303.30
0.1600	338.15	305.70
0.1600	343.15	307.60
0.1600	348.15	309.90
0.1600	353.15	312.50

Electrical conductivity, S/m [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed			Measured
Temperature, K - Liquid	Mole fraction of Triethylene glycol (1) - Liquid	Mole fraction of Tromethamine (2) - Liquid	Electrical conductivity, S/m - Liquid
298.15	0.0781	0.0097	0.0393
303.15	0.0781	0.0097	0.0456
308.15	0.0781	0.0097	0.0525
313.15	0.0781	0.0097	0.0601
318.15	0.0781	0.0097	0.0680
323.15	0.0781	0.0097	0.0768
328.15	0.0781	0.0097	0.0859
333.15	0.0781	0.0097	0.0954
338.15	0.0781	0.0097	0.1056
343.15	0.0781	0.0097	0.1168
298.15	0.0839	0.0234	0.0260
303.15	0.0839	0.0234	0.0305
308.15	0.0839	0.0234	0.0358
313.15	0.0839	0.0234	0.0415
318.15	0.0839	0.0234	0.0474
323.15	0.0839	0.0234	0.0539
328.15	0.0839	0.0234	0.0609
333.15	0.0839	0.0234	0.0685
338.15	0.0839	0.0234	0.0770
343.15	0.0839	0.0234	0.0863
298.15	0.0937	0.0465	0.0198
303.15	0.0937	0.0465	0.0237
308.15	0.0937	0.0465	0.0280
313.15	0.0937	0.0465	0.0329
318.15	0.0937	0.0465	0.0380
323.15	0.0937	0.0465	0.0441
328.15	0.0937	0.0465	0.0503
333.15	0.0937	0.0465	0.0571
338.15	0.0937	0.0465	0.0649
343.15	0.0937	0.0465	0.0737

Electrical conductivity, S/m [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed			Measured
Temperature, K - Liquid	Mole fraction of Triethylene glycol (1) - Liquid	Mole fraction of Tromethamine (2) - Liquid	Electrical conductivity, S/m - Liquid
298.15	0.0781	0.0097	0.0393
303.15	0.0781	0.0097	0.0456
308.15	0.0781	0.0097	0.0525
313.15	0.0781	0.0097	0.0601
318.15	0.0781	0.0097	0.0680
323.15	0.0781	0.0097	0.0768
328.15	0.0781	0.0097	0.0859
333.15	0.0781	0.0097	0.0954
338.15	0.0781	0.0097	0.1056
343.15	0.0781	0.0097	0.1168
298.15	0.0839	0.0234	0.0260
303.15	0.0839	0.0234	0.0305
308.15	0.0839	0.0234	0.0358
313.15	0.0839	0.0234	0.0415
318.15	0.0839	0.0234	0.0474
323.15	0.0839	0.0234	0.0539
328.15	0.0839	0.0234	0.0609
333.15	0.0839	0.0234	0.0685
338.15	0.0839	0.0234	0.0770
343.15	0.0839	0.0234	0.0863
298.15	0.0937	0.0465	0.0198
303.15	0.0937	0.0465	0.0237
308.15	0.0937	0.0465	0.0280
313.15	0.0937	0.0465	0.0329
318.15	0.0937	0.0465	0.0380
323.15	0.0937	0.0465	0.0441
328.15	0.0937	0.0465	0.0503
333.15	0.0937	0.0465	0.0571
338.15	0.0937	0.0465	0.0649
343.15	0.0937	0.0465	0.0737

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 Triethylene glycol (1) - Liquid	Refractive index (Na D-line) - Liquid
298.15	0.0097	0.0781	1.3889
303.15	0.0097	0.0781	1.3877
308.15	0.0097	0.0781	1.3866
313.15	0.0097	0.0781	1.3855
318.15	0.0097	0.0781	1.3843
323.15	0.0097	0.0781	1.3831
328.15	0.0097	0.0781	1.3819
333.15	0.0097	0.0781	1.3806
338.15	0.0097	0.0781	1.3793
343.15	0.0097	0.0781	1.3779
298.15	0.0234	0.0839	1.3961
303.15	0.0234	0.0839	1.3949
308.15	0.0234	0.0839	1.3937
313.15	0.0234	0.0839	1.3925
318.15	0.0234	0.0839	1.3913
323.15	0.0234	0.0839	1.3901
328.15	0.0234	0.0839	1.3889
333.15	0.0234	0.0839	1.3877
338.15	0.0234	0.0839	1.3866
343.15	0.0234	0.0839	1.3855
298.15	0.0465	0.0937	1.4078
303.15	0.0465	0.0937	1.4068
308.15	0.0465	0.0937	1.4054
313.15	0.0465	0.0937	1.4042
318.15	0.0465	0.0937	1.4029
323.15	0.0465	0.0937	1.4017
328.15	0.0465	0.0937	1.4005
333.15	0.0465	0.0937	1.3993
338.15	0.0465	0.0937	1.398
343.15	0.0465	0.0937	1.3969

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 Triethylene glycol (1) - Liquid	Refractive index (Na D-line) - Liquid
298.15	0.0097	0.0781	1.3889
303.15	0.0097	0.0781	1.3877
308.15	0.0097	0.0781	1.3866
313.15	0.0097	0.0781	1.3855
318.15	0.0097	0.0781	1.3843
323.15	0.0097	0.0781	1.3831
328.15	0.0097	0.0781	1.3819
333.15	0.0097	0.0781	1.3806
338.15	0.0097	0.0781	1.3793
343.15	0.0097	0.0781	1.3779
298.15	0.0234	0.0839	1.3961
303.15	0.0234	0.0839	1.3949
308.15	0.0234	0.0839	1.3937
313.15	0.0234	0.0839	1.3925
318.15	0.0234	0.0839	1.3913
323.15	0.0234	0.0839	1.3901
328.15	0.0234	0.0839	1.3889
333.15	0.0234	0.0839	1.3877
338.15	0.0234	0.0839	1.3866
343.15	0.0234	0.0839	1.3855
298.15	0.0465	0.0937	1.4078
303.15	0.0465	0.0937	1.4068
308.15	0.0465	0.0937	1.4054
313.15	0.0465	0.0937	1.4042
318.15	0.0465	0.0937	1.4029
323.15	0.0465	0.0937	1.4017
328.15	0.0465	0.0937	1.4005
333.15	0.0465	0.0937	1.3993
338.15	0.0465	0.0937	1.398
343.15	0.0465	0.0937	1.3969

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed			Measured
Temperature, K - Liquid	Mole fraction of Triethylene glycol (1) - Liquid	Mole fraction of Tromethamine (2) - Liquid	Mass density, kg/m3 - Liquid
298.15	0.0781	0.0097	1071.7
303.15	0.0781	0.0097	1068.9
308.15	0.0781	0.0097	1066.0
313.15	0.0781	0.0097	1063.0
318.15	0.0781	0.0097	1059.9
323.15	0.0781	0.0097	1056.7
328.15	0.0781	0.0097	1053.4
333.15	0.0781	0.0097	1050.1
338.15	0.0781	0.0097	1046.6
343.15	0.0781	0.0097	1043.1
298.15	0.0839	0.0234	1084.0
303.15	0.0839	0.0234	1081.1
308.15	0.0839	0.0234	1078.1
313.15	0.0839	0.0234	1075.0
318.15	0.0839	0.0234	1071.8
323.15	0.0839	0.0234	1068.6
328.15	0.0839	0.0234	1065.2
333.15	0.0839	0.0234	1061.8
338.15	0.0839	0.0234	1058.4
343.15	0.0839	0.0234	1054.8
298.15	0.0937	0.0465	1104.4
303.15	0.0937	0.0465	1101.2
308.15	0.0937	0.0465	1098.1
313.15	0.0937	0.0465	1094.8
318.15	0.0937	0.0465	1091.6
323.15	0.0937	0.0465	1088.2
328.15	0.0937	0.0465	1084.8
333.15	0.0937	0.0465	1081.3
338.15	0.0937	0.0465	1077.7
343.15	0.0937	0.0465	1074.1

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed			Measured
Temperature, K - Liquid	Mole fraction of Triethylene glycol (1) - Liquid	Mole fraction of Tromethamine (2) - Liquid	Mass density, kg/m3 - Liquid
298.15	0.0781	0.0097	1071.7
303.15	0.0781	0.0097	1068.9
308.15	0.0781	0.0097	1066.0
313.15	0.0781	0.0097	1063.0
318.15	0.0781	0.0097	1059.9
323.15	0.0781	0.0097	1056.7
328.15	0.0781	0.0097	1053.4
333.15	0.0781	0.0097	1050.1
338.15	0.0781	0.0097	1046.6
343.15	0.0781	0.0097	1043.1
298.15	0.0839	0.0234	1084.0
303.15	0.0839	0.0234	1081.1
308.15	0.0839	0.0234	1078.1
313.15	0.0839	0.0234	1075.0
318.15	0.0839	0.0234	1071.8
323.15	0.0839	0.0234	1068.6
328.15	0.0839	0.0234	1065.2
333.15	0.0839	0.0234	1061.8
338.15	0.0839	0.0234	1058.4
343.15	0.0839	0.0234	1054.8
298.15	0.0937	0.0465	1104.4
303.15	0.0937	0.0465	1101.2
308.15	0.0937	0.0465	1098.1
313.15	0.0937	0.0465	1094.8
318.15	0.0937	0.0465	1091.6
323.15	0.0937	0.0465	1088.2
328.15	0.0937	0.0465	1084.8
333.15	0.0937	0.0465	1081.3
338.15	0.0937	0.0465	1077.7
343.15	0.0937	0.0465	1074.1

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}