Triethylene Glycol - The Dow Chemical Company

Properties
Figure 8
Specific Heats of Aqueous Triethylene Glycol Solutions
Figure 8: Specific Heats of
Aqueous Triethylene Glycol Solutions
Specific Heat = A + BT+CT 2
T = Temperature, °C
T riE
G , W t%
0
10
20
30
40
50
60
70
80
90
100
Specific Heat, Btu/lb/˚F
1.1
1.0
0.9
0.8
0.7
0.6
0.5
Temperature, ˚F
-40 0 40 80 120 160 200 240 280 320 360
Freezing Point
Curves
0.4
-50 0 50 100 150 200
Temperature, ˚C
Specific Heat = A + BT+CT2 T = Temperature, °C
TriEG, Wt% A B C
0 1 00540 -2 7286E-4 2 9143E-6
10 A 0 96705 -2 7144E-5 B 2 4952E-6
20 0 92490 2 0429E-4 2 4524E-6
30 0 88012 4 3000E-4 1 6952E-6
40 0 83229 6 2286E-4 1 3714E-6
50 0 78229 7 9286E-4 1 0857E-6
60 0 72200 9 4000E-4 8 0000E-7
70 0 66688 1 0871E-3 4 7620E-7
80 0 60393 1 2043E-3 2 8571E-7
90 0 53888 1 2800E-3 1 9048E-7
100 0 48614 1 3929E-3 -5 7140E-8
1.
00
54
0
0.
967
05
0.
924
90
0.
88
012
0.
83
22
9
0.
78
22
9
0.
72
20
0
0.
66
68
8
0.
60
39
3
0.
53
88
8
0.
48
614
16
-2
. 72
86
E -4
-2
. 7144
E -5
2.
04
29
E -4
4.
30
00
E -4
6.
22
86
E -4
7.
92
86
E -4
9.
40
00
E -4
1.
08
71E
-3
1.
20
43
E -3
1.
28
00
E -3
1.
39
29
E -3
C
0
20
10
30
40
50
60
70
80
90
100
2.
9143
E -6
2.
49
52
E -6
2.
45
24
E -6
1.
69
52
E -6
1.
3714
E -6
1.
08
57E
-6
8.
00
00
E -7
4.
762
0E
-7
2.
8571
E -7
1.
90
48
E -7
-5
. 7140
E -8
Triethylene Glycol, Percent by Weight in Water
Properties