Related Resources: thermodynamics
Saturated Ammonia Properties
Thermodynamic Properties of Saturated Ammonia for Temperatures -50 to 132.3 °C Enthalpy, kJ/kg, Entropy, kJ/kg-K
Temp.
(°C) |
Press.
(kPa) |
Enthalpy, kJ/kg
|
Entropy, kJ/kg-K
|
||||
Sat. Liquid
hf |
Evap.
hfg |
Sat. Vapor
hg |
Sat. Liquid
sf |
Evap.
sfg |
Sat. Vapor
sg |
||
− 50
|
40.9
|
− 43.76
|
1416.3
|
1372.6
|
− 0.1916
|
6.3470
|
6.1554
|
− 45
|
54.5
|
− 21.94
|
1402.8
|
1380.8
|
− 0.0950
|
6.1484
|
6.0534
|
− 40
|
71.7
|
0
|
1388.8
|
1388.8
|
0
|
5.9567
|
5.9567
|
− 35
|
93.2
|
22.06
|
1374.5
|
1396.5
|
0.0935
|
5.7715
|
5.8650
|
− 30
|
119.5
|
44.26
|
1359.8
|
1404.0
|
0.1856
|
5.5922
|
5.7778
|
− 25
|
151.6
|
66.58
|
1344.6
|
1411.2
|
0.2763
|
5.4185
|
5.6947
|
− 20
|
190.2
|
89.05
|
1329.0
|
1418.0
|
0.3657
|
5.2498
|
5.6155
|
− 15
|
236.3
|
111.66
|
1312.9
|
1424.6
|
0.4538
|
5.0859
|
5.5397
|
− 10
|
290.9
|
134.41
|
1296.4
|
1430.8
|
0.5408
|
4.9265
|
5.4673
|
− 5
|
354.9
|
157.31
|
1279.4
|
1436.7
|
0.6266
|
4.7711
|
5.3977
|
0
|
429.6
|
180.36
|
1261.8
|
1442.2
|
0.7114
|
4.6195
|
5.3309
|
5
|
515.9
|
203.58
|
1243.7
|
1447.3
|
0.7951
|
4.4715
|
5.2666
|
10
|
615.2
|
226.97
|
1225.1
|
1452.0
|
0.8779
|
4.3266
|
5.2045
|
15
|
728.6
|
250.54
|
1205.8
|
1456.3
|
0.9598
|
4.1846
|
5.1444
|
20
|
857.5
|
274.30
|
1185.9
|
1460.2
|
1.0408
|
4.0452
|
5.0860
|
25
|
1003.2
|
298.25
|
1165.2
|
1463.5
|
1.1210
|
3.9083
|
5.0293
|
30
|
1167.0
|
322.42
|
1143.9
|
1466.3
|
1.2005
|
3.7734
|
4.9738
|
35
|
1350.4
|
346.80
|
1121.8
|
1468.6
|
1.2792
|
3.6403
|
4.9196
|
40
|
1554.9
|
371.43
|
1098.8
|
1470.2
|
1.3574
|
3.5088
|
4.8662
|
45
|
1782.0
|
396.31
|
1074.9
|
1471.2
|
1.4350
|
3.3786
|
4.8136
|
50
|
2033.1
|
421.48
|
1050.0
|
1471.5
|
1.5121
|
3.2493
|
4.7614
|
55
|
2310.1
|
446.96
|
1024.1
|
1471.0
|
1.5888
|
3.1208
|
4.7095
|
60
|
2614.4
|
472.79
|
997.0
|
1469.7
|
1.6652
|
2.9925
|
4.6577
|
65
|
2947.8
|
499.01
|
968.5
|
1467.5
|
1.7415
|
2.8642
|
4.6057
|
70
|
3312.0
|
525.69
|
938.7
|
1464.4
|
1.8178
|
2.7354
|
4.3533
|
75
|
3709.0
|
552.88
|
907.2
|
1460.1
|
1.8943
|
2.6058
|
4.5001
|
80
|
4140.5
|
580.69
|
873.9
|
1454.6
|
1.9712
|
2.4746
|
4.4458
|
85
|
4608.6
|
609.21
|
838.6
|
1447.8
|
2.0488
|
2.3413
|
4.3901
|
90
|
5115.3
|
638.59
|
800.8
|
1439.4
|
2.1273
|
2.2051
|
4.3325
|
95
|
5662.9
|
668.99
|
760.2
|
1429.2
|
2.2073
|
2.0650
|
4.2723
|
100
|
6253.7
|
700.64
|
716.2
|
1416.9
|
2.2893
|
1.9195
|
4.2088
|
105
|
6890.4
|
733.87
|
668.1
|
1402.0
|
2.3740
|
1.7667
|
4.1407
|
110
|
7575.7
|
769.15
|
614.6
|
1383.7
|
2.4625
|
1.6040
|
4.0665
|
115
|
8313.3
|
807.21
|
553.8
|
1361.0
|
2.5566
|
1.4267
|
3.9833
|
120
|
9107.2
|
849.36
|
482.3
|
1331.7
|
2.6593
|
1.2268
|
3.8861
|
125
|
9963.5
|
898.42
|
393.0
|
1291.4
|
2.7775
|
0.9870
|
3.7645
|
130
|
10892
|
963.29
|
263.7
|
1227.0
|
2.9326
|
0.6540
|
3.5866
|
132.3
|
11333
|
1085.85
|
0
|
1085.9
|
3.2316
|
0
|
3.2316
|