Dwyer GFM2 - Manual (Page 16)

APPENDIX III - Gas Factor Table (“K Factors”)
Actual Gas
Acetylene C
2
H
2
Air
Allene (Propadiene) C
3
H
4
Ammonia NH
3
Argon Ar (<= 10 L/min)
Argon AR-1 (>= 10 L/min)
Arsine AsH
3
Boron Trichloride BCl
3
Boron Trifluoride BF
3
Bromine Br
2
Boron Trobromide Br
3
Bromine PentaTrifluoride BrF
5
Bromine Trifluoride BrF
3
Bromotrifluoromethane (Freon-13 B1) CBrF
3
1,3 - Butadiene C
4
H
6
Butane C
4
H
10
1 - Butene C
4
H
8
2 - Butene C
4
H
8
CIS
2 - Butene C
4
H
8
TRANS
Carbon Dioxide CO
2
(<10 L/min)
Carbon Dioxide CO
2
-1 (<10 L/min)
Carbon Disulfide CS
2
Carbon Monoxide C0
Carbon Tetrachloride CCl
4
Carbon Tetrafluoride (Freon-14) CF
4
Carbonyl Fluoride COF
2
Carbonyl Sulfide COS
Chlorine Cl
2
Chlorine Trifluoride CIF
3
Chlorodifluoromethane (Freon-22) CHCIF
2
Chloroform CHCl
3
Chloropentafluoroethane (Freon-115) C
2
CIF
5
Chlorotrifluromethane (Freon-13) CCIF
3
Cyanogen C
2
N
2
Cyanogen Cloride CICN
Cyclopropane C
3
H
5
Deuterium D
2
Diborane B
2
H
6
Dibromodifluoromethane CBr
2
F
6
Dichlorodifluoromethane (Freon-12) CCl
2
F
2
Dichlofluoromethane (Freon-21) CHCl
2
F
Dichloromethylsilane (CH
3
)
2
SiCl
2
Dichlorosilane SiH
2
Cl
2
Dichlorotetrafluoroethane (Freon-114) C
2
Cl
2
F
4
1,1-Difluoroethylene (Freon-1132A) C
2
H
2
F
2
Dimethylamine (CH
3
)
2
NH
Dimethyl Ether (CH
3
)
2
O
2,2-Dimethylpropane C
3
H
12
Ethane C
2
H
6
Ethanol C
2
H
6
O
Ethyl Acetylene C
4
H
6
Ethyl Chloride C
2
H
5
Cl
Ethylene C
2
H
4
Ethylene Oxide C
2
H
4
O
Fluorine F
2
Fluoroform (Freon-23) CHF
3
Freon-11 CCl
3
F
Freon-12 CCl
2
F
2
Freon-13 CClF
3
Freon-13B1 CBrF
3
Freon-14 CF
4
Freon-21 CHCl
2
F
Freon-22 CHClF
2
Freon-113 CCl
2
FCClF
2
Freon-114 C
2
Cl
2
F
4
Freon-115 C
2
ClF
5
Freon-C318 C
4
F
8
Germane GeH
4
Germanium Tetrachloride GeCl
4
Helium He (<50 L/min)
Helium He-1 (>50 L/min)
Helium He-2 (>10-50 L/min)
Index
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
K-Factor
Relative to N
2
.5829
1.0000
.4346
.7310
1.4573
1.205
.6735
.4089
.5082
.8083
.38
.26
.3855
.3697
.3224
.2631
.2994
.324
.291
.7382
.658
.6026
1.00
.31
.42
.5428
.6606
.86
.4016
.4589
.3912
.2418
.3834
.61
.6130
.4584
1.00
.4357
.1947
.3538
.4252
.2522
.4044
.2235
.4271
.3714
.3896
.2170
.50
.3918
.3225
.3891
.60
.5191
.9784
.4967
.3287
.3538
.3834
.3697
.4210
.4252
.4589
.2031
.2240
.2418
.1760
.5696
.2668
1.454
2.43
2.05
Cp
(Cal/g)
.4036
.240
.352
.492
.1244
.1244
.1167
.1279
.1778
.0539
.0647
.1369
.1161
.1113
.3514
.4007
.3648
.336
.374
.2016
.2016
.1428
.2488
.1655
.1654
.1710
.1651
.114
.1650
.1544
.1309
.164
.153
.2613
.1739
.3177
1.722
.508
.15
.1432
.140
.1882
.150
.1604
.224
.366
.3414
.3914
.420
.3395
.3513
.244
.365
.268
.1873
.176
.1357
.1432
.153
.1113
.1654
.140
.1544
.161
.160
.164
.185
.1404
.1071
1.241
1.241
1.241 Density
(g/l)
1.162
1.293
1.787
.760
1.782
1.782
3.478
5.227
3.025
7.130
11.18
7.803
6.108
6.644
2.413
2.593
2.503
2.503
2.503
1.964
1.964
3.397
1.250
6.860
3.926
2.945
2.680
3.163
4.125
3.858
5.326
6.892
4.660
2.322
2.742
1.877
1.799
1.235
9.362
5.395
4.592
5.758
4.506
7.626
2.857
2.011
2.055
3.219
1.342
2.055
2.413
2.879
1.251
1.965
1.695
3.127
6.129
5.395
4.660
6.644
3.926
4.592
3.858
8.360
7.626
6.892
8.397
3.418
9.565
.1786
.1786
.1786
Page 16
K-factors at best are only an approximation. K factors should not be used in applications that require accuracy better than ±5 to 10%. NOTICE