Triethylene Glycol - The Dow Chemical Company

Properties
Figure 4: Vapor Pressures of Triethylene Glycol
at Various Temperatures
Figure 4
Vapor Pressures of Triethylene Glycol at Various Temperatures
Vapor Pressure, mm Hg
1000
800
600
400
300
200
100
80
60
40
30
20
10
8
6
4
3
2
Temperature, °F
220 240 280 320 360 400 440 480 560 640
1
100 120 140 160 180 200 240 280 320 360
Temperature, °C
Triethylene Glycol Antoine Constants for Calculating Vapor Pressure
Triethylene Glycol Antoine Constants for Calculating Vapor Pressure
3-Constant Equation (Temperature Range = 150–300°C)
3-Constant Equation A = 7 (Temperature 6302007 Range = 150 - 300°C) Range = 150–300°C
A=
7.
63B
0=
22156
00
74581
P = mm RHg
ange
= 150
- 30
0°
C
B=
215
6C
. = 4165
58192442
T = °C P = mm
H g
Log (P) = A – B/(T + C)
C = 165
. 9210
44
2
T = ° C
Log 5-Constant 10 (P) = A – B/(T Equation + C) (Temperature Range = 360 15–712 51°K)
A = 95 5205 Range = 360 15–712 51°K
5-Constant Equation (Temperature Range = 360.15 - 712.51°K)
A=
95
. 52
05
R ange
= 36
0.
15
- 712
. 51K
B=
12
83
4.
7
P = Pa
C = 0.
0
T = K elvin
D = -9.6 6752
E=3.0015 x 10 -29
N=10
ln(P) = A – B/(T + C) + D(ln(T)) + ET N
B = 12834 7 P = Pa
C = 0 0 T = Kelvin
D = -9 66752
E = 3 0015 x 10-29 N = 10
ln(P) = A – B/(T + C) + D(ln(T)) + ETN 12
Triethylene Glycol
Antoine Constants
A = 7.6302007
B = 2156.4581
C = 165.92442
Log(P) = A–B/(t+C)
mm Hg, Log 10 , ˚C
Properties