35 3 285KB
Vapor Pressure - Antoine Constants Antoine Equation : log P (bar) = A - B / [C + t (oC)] t (oC ) = [ B/( A log P(bar) ) ] - C ; A, B, C are Antoine Constants T1 and T2 are the lower and upper temperature bounds for application of the equation Name
State
A
B
C
T1, K
T2, K
ACETALDEHYDE
L
4.1814
1070.60
236.00
214.00
313.00
ACETIC ACID
L
4.54561
1555.12
224.65
298.00
415.00
ACETONE
L
4.35647
1277.03
237.23
241.00
351.00
ACETYLENE
L
4.2248
711.00
253.40
192.40
201.20
AMMONIA
L
4.4854
926.13
240.17
195.50
254.40
BENZENE
L
4.02232
1206.53
220.291
278.70
377.10
BUTADIENE-1,2
L
4.11873
1041.117
242.274
204.10
303.60
BUTADIENE-1,3
L
3.97489
930.546
238.854
193.30
287.60
BUTANE
L
3.93266
935.773
238.789
195.50
292.10
BUTYL ACETATE
L
4.1564
1371.13
204.273
326.00
405.00
CARBON DIOXIDE
C
6.93556
1347.786
273.00
153.20
203.30
CARBON MONOXIDE
L
3.81912
291.743
267.999
68.20
88.10
CARBON TETRACHLORIDE
L
4.10445
1265.632
232.148
253.00
374.00
CHLORINE
L
4.0628
861.34
246.331
171.90
255.80
CHLOROFORM
L
3.96288
1106.94
218.552
207.00
357.00
CHLOROMETHANE
L
4.16533
920.86
245.58
184.00
266.00
DICHLOROMETHANE
L
4.07622
1070.07
223.24
195.00
333.00
DIETHYL ETHER
L
4.10962
1090.64
231.20
224.00
330.00
ETHANE
L
3.95405
663.72
256.681
130.40
198.20
ETHYL ACETATE
L
4.21248
1238.15
217.205
271.00
373.00
ETHYL ALCOHOL
L
4.92365
1410.46
208.514
298.20
370.60
ETHYLBENZENE
L
4.0928
1431.71
214.099
306.30
436.70
ETHYLENE
L
3.91382
596.526
256.37
119.90
181.90
ETHYLENE GLYCOL
L
5.9194
2615.40
244.90
363.80
494.20
ETHYLENE OXIDE
L
4.23736
1046.66
236.844
224.00
311.00
FORMIC ACID
L
4.48436
1551.38
245.71
278.00
398.00
GLYCEROL
L
5.32549
1057.067
31.01
456.41
533.56
HEPTANE
L
4.02167
1264.90
216.544
271.20
396.60
HEXANE
L
4.00091
1171.17
224.408
248.10
365.30
HYDROGEN
L
2.94928
67.5078
275.70
13.50
23.00
ISOPROPYL ALCOHOL
L
5.24268
1580.92
219.61
275.70
373.50
ISOPROPYLBENZENE
L
4.06588
1464.17
208.207
319.00
453.90
M-XYLENE
L
4.13785
1465.39
215.512
308.70
439.60
METHANE
L
3.7687
395.744
266.681
90.70
120.60
METHYL ACETATE
L
4.26398
1194.58
223.656
259.00
353.00
METHYL ALCOHOL
L
5.15043
1549.48
236.642
298.20
356.10
N-BUTYL ALCOHOL
L
4.39473
1251.82
167.486
298.20
411.60
N-BUTYRIC ACID
L
4.8234
1731.708
195.955
292.00
391.00
N-PROPYL ALCOHOL
L
4.79447
1395.23
194.205
293.20
389.50
NITRIC OXIDE
L
5.8679
682.938
268.27
109.60
127.60
NITROGEN
L
3.61947
255.68
266.55
63.20
83.70
NITROGEN DIOXIDE
L
NA
NA
NA
NA
NA
NITROUS OXIDE
L
4.12884
654.26
247.16
182.40
197.00
O-XYLENE
L
4.13072
1479.82
214.315
312.70
445.30
OCTANE
L
4.04358
1351.99
209.155
292.50
425.30
OXYGEN
L
3.81634
319.01
266.697
62.60
97.20
P-XYLENE
L
4.1114
1451.39
215.148
307.80
439.00
PENTANE
L
3.97786
1064.84
232.012
223.10
330.80
PHENOL
L
4.25947
1516.072
174.569
345.80
481.60
PHOSGENE
L
3.96786
941.25
230.00
213.00
341.00
PROPANE
L
3.92828
803.997
247.04
164.70
247.80
PROPYLENE
L
3.95606
789.624
247.58
161.10
241.70
STYRENE
L
4.082
1445.58
209.43
305.00
460.00
SULFUR DIOXIDE
L
4.40718
999.90
237.19
210.00
279.50
SULFUR TRIOXIDE
L
6.17575
1735.31
236.50
282.80
332.10
TOLUENE
L
4.0854
1348.77
219.976
286.40
409.60
WATER
L
5.109459
1678.948
228.97
342.80
352.10