Aalborg XFM Digital - Manual (Page 46)

43
APPENDIX II INTERNAL "K" FACTORS
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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 C2H2 0.5829 .4036 1.162
1 Air 1.000 0.24 1.293
2 Allene (Propadiene) C3H4 0.4346 0.352 1.787
3 Ammonia NH
3
.7310 .492 .760
4 Argon Ar 1.4573 .1244 1.782
5 Arsine AsH3 0.6735 0.1167 3.478
6 Boron Trichloride BCl3 0.4089 0.1279 5.227
7 Boron Triflouride BF3 0.5082 0.1778 3.025
8 Bromine Br2 0.8083 0.0539 7.130
9 Boron Tribromide Br3 0.38 0.0647 11.18
10 Boromine Pentaflouride BrF5 0.26 0.1369 7.803
11 Boromine Triflouride BrF3 0.3855 0.1161 6.108
12 Bromotriflouromethane CBrF3 0.3697 0.1113 6.644
13 1,3-Butadiene C4H6 0.3224 0.3514 2.413
14 Butane C
4
H
10
.2631 .4007 2.593
15 1-Butane C4H8 0.2994 0.3648 2.503
16 2-Butane C4H8 CIS 0.324 0.336 2.503
17 2-Butane C4H8 TRANS 0.291 0.374 2.503
18 Carbon Dioxide CO
2
.7382 .2016 1.964
19 Carbon Disulfide CS
2
0.6026 0.1428 3.397
20 Carbon Monoxide C
O
1.00 .2488 1.250
21 Carbon Tetrachloride CCl4 0.31 0.1655 6.860
22 Carbon Tetrafluoride (Freon-14) CF4 0.42 0.1654 3.926
23 Carbonyl Fluoride COF2 0.5428 0.1710 2.945
24 Carbonyl Sulfide COS 0.6606 0.1651 2.680
25 Chlorine Cl
2
0.86 0.114 3.163
26 Chlorine Trifluoride ClF3 0.4016 0.1650 4.125
27 Chlorodifluoromethane (Freon-22) CHClF2 0.4589 0.1544 5.326
28 Chloroform CHCl
3
0.3912 0.1309 5.326
29 Chloropentafluoroethane (Freon -115) C2ClF5 0.2418 0.164 6.892
30 Chlorotrifluoromethane (Freon-13) CClF3 0.3834 0.153 4.660
31 Cyanogen C2N2 0.61 0.2613 3.322
32 Helium He 1.454 1.241 .1786
33 Hydrogen H
2
1.0106 3.419 .0899
34 Hydrogen H
2
(> 100 L/min) 1.92 3.419 0.0899
35 Oxygen O2 0.9926 0.2193 1.427