Appendix iii gas factor table (“k factors”) – Aalborg DFM Digital User Manual
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APPENDIX III GAS FACTOR TABLE (“K FACTORS”)
ƽ
CAUTION:
K-Factors at best are only an approximation. K factors should not
be used in applications that require accuracy better than +/- 5 to 10%.
INDEX
ACTUAL GAS
K Factor
Relative
to N
2
Cp
[Cal/g]
DENSITY
[g/I]
0
Acetylene C
2
H
2
.5829
.4036
1.162
1
Air
1.0000
.240
1.293
2
Allene (Propadiene) C
3
H
4
.4346
.352
1.787
3
Ammonia NH
3
.7310
.492
.760
4
Argon Ar (<=10 L/min)
Argon AR-1 (>=10 L/min)
1.4573
1.205
.1244
.1244
1.782
1.782
5
Arsine AsH
3
.6735
.1167
3.478
6
Boron Trichloride BCl
3
.4089
.1279
5.227
7
Boron Trifluoride BF
3
.5082
.1778
3.025
8
Bromine Br
2
.8083
.0539
7.130
9
Boron Tribromide Br
3
.38
.0647
11.18
10
Bromine PentaTrifluoride BrF
5
.26
.1369
7.803
11
Bromine Trifluoride BrF
3
.3855
.1161
6.108
12
Bromotrifluoromethane (Freon-13 B1) CBrF
3
.3697
.1113
6.644
13
1,3-Butadiene C
4
H
6
.3224
.3514
2.413
14
Butane C
4
H
10
.2631
.4007
2.593
15
1-Butene C
4
H
8
.2994
.3648
2.503
16
2-Butene C
4
H
8
CIS
.324
.336
2.503
17
2-Butene C
4
H
8
TRANS
.291
.374
2.503
18
Carbon Dioxide CO
2
(<10 L/min)
Carbon Dioxide CO
2
-1 (>10 L/min)
.7382
.658
.2016
.2016
1.964
1.964
19
Carbon Disulfide CS
2
.6026
.1428
3.397
20
Carbon Monoxide C0
1.00
.2488
1.250
21
Carbon Tetrachloride CCl
4
.31
.1655
6.860
22
Carbon Tetrafluoride (Freon-14)CF
4
.42
.1654
3.926
23
Carbonyl Fluoride COF
2
.5428
.1710
2.945
24
Carbonyl Sulfide COS
.6606
.1651
2.680
25
Chlorine Cl
2
.86
.114
3.163
26
Chlorine Trifluoride ClF
3
.4016
.1650
4.125
27
Chlorodifluoromethane (Freon-22)CHClF
2
.4589
.1544
3.858
28
Chloroform CHCl
3
.3912
.1309
5.326
29
Chloropentafluoroethane(Freon-115)C
2
ClF
5
.2418
.164
6.892
30
Chlorotrifluromethane (Freon-13) CClF
3
.3834
.153
4.660
31
CyanogenC
2
N
2
.61
.2613
2.322
32
CyanogenChloride CICN
.6130
.1739
2.742