Omega FMA 5400A - Gas Factor Table (K Factors)

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APPENDIX 2
GAS FACTOR TABLE (“K” FACTORS)

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%.
ACTUAL GAS
K FACTOR
Relative to N
2
Cp
[Cal/g]
Density
[g/I]
Acetylene C
2
H
2
.5829 .4036 1.162
Air 1.0000 .240 1.293
Allene (Propadiene) C
3
H
4
.4346 .352 1.787
Ammonia NH
3
.7310 .492 .760
*Argon Ar
*Argon AR-1 (>10 L/min)
1.4573
1.205
.1244
.1244
1.782
1.782
Arsine AsH
3
.6735 .1167 3.478
Boron Trichloride BCl
3
.4089 .1279 5.227
Boron Trifluoride BF
3
.5082 .1778 3.025
Bromine Br
2
.8083 .0539 7.130
Boron Tribromide Br
3
.38 .0647 11.18
Bromine PentaTrifluoride BrF
5
.26 .1369 7.803
Bromine Trifluoride BrF
3
.3855 .1161 6.108
Bromotrifluoromethane (Freon-13 B1) CBrF
3
.3697 .1113 6.644
1,3-Butadiene C
4
H
6
.3224 .3514 2.413
Butane C
4
H
10
.2631 .4007 2.593
1-Butene C
4
H
8
.2994 .3648 2.503
2-Butene C
4
H
8
CIS
.324 .336 2.503
2-Butene C
4
H
8
TRANS
.291 .374 2.503
*Carbon Dioxide CO
2
*Carbon Dioxide CO
2
-1 (>10 L/min)
.7382
.658
.2016
.2016
1.964
1.964
Carbon Disulfide CS
2
.6026 .1428 3.397
Carbon Monoxide C0
1.00 .2488 1.250
Carbon Tetrachloride CCl
4
.31 .1655 6.860
Carbon Tetrafluoride (Freon-14)CF
4
.42 .1654 3.926
Carbonyl Fluoride COF
2
.5428 .1710 2.945
Carbonyl Sulfide COS
.6606 .1651 2.680
Chlorine Cl
2
.86 .114 3.163
Chlorine Trifluoride ClF
3
.4016 .1650 4.125
Chlorodifluoromethane (Freon-22)CHClF
2
.4589 .1544 3.858
Chloroform CHCl
3
.3912 .1309 5.326
Chloropentafluoroethane(Freon-115)C
2
ClF
5
.2418 .164 6.892
Chlorotrifluromethane (Freon-13) CClF
3
.3834 .153 4.660
Cyanogen C
2
N
2
.61 .2613 2.322
CyanogenChloride CICN
.6130 .1739 2.742
Cyclopropane C
3
H
5
.4584 .3177 1.877
* Flow rates indicated ( ) is the maximum flow range of the Mass Flow meter being used.