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Operating Manual Freeze Dryer ALPHA 1-2 LDplus
Conversion table "Vapour pressure above ice"
(sublimation curve) 1 mbar = 10
°C
°C
mbar
0
6.110
-20
-1
5.620
-21
-2
5.170
-22
-3
4.760
-23
-4
4.370
-24
-5
4.020
-25
-6
3.690
-26
-7
3.380
-27
-8
3.010
-28
-9
2.840
-29
-10
2.560
-30
-11
2.380
-31
-11
2.170
-32
-13
1.980
-33
-14
1.810
-34
-15
1.650
-35
-16
1.510
-36
-17
1.370
-37
-18
1.250
-38
-19
1.140
-39
2
Pa = 1hPa
°C
mbar
mbar
1.030
-40
0.120
0.940
-41
0.110
0.850
-42
0.100
0.770
-43
0.090
0.700
-44
0.080
0.630
-45
0.070
0.570
-46
0.060
0.520
-47
0.055
0.470
-48
0.050
0.420
-49
0.045
0.370
-50
0.040
0.340
-51
0.035
0.310
-52
0.030
0.280
-53
0.025
0.250
-54
0.024
0.220
-55
0.021
0.200
-56
0.018
0.180
-57
0.016
0.160
-58
0.014
0.140
-59
0.012
General Information on Freeze Drying • 11
°C
mbar
-60
0.011
-61
0.009
-62
0.008
-63
0.007
-64
0.006
-65
0.0054
-66
0.0047
-67
0.0041
-68
0.0035
-69
0.0030
-70
0.0026
-71
0.0023
-72
0.0019
-73
0.0017
-74
0.0014
-75
0.0012
-76
0.0010
-77
-78
-79
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