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Appendix A Series 820 Instruction Manual
A-6 IM-82-C
Gas Tables and K-factors
Actual Gas
Chemical
Symbol
K-factor
Relative N2
Cp
(Cal/g)
Density
(g/l) @ 0°C
Elastomer
O-ring*
Acetylene C
2
H
2
.58 .4036 1.162
Air 1.00 .240 1.293
Allene (Propadiene) C
3
H
4
.43 .352 1.787
Ammonia NH
3
.73 .492 .760 NEO
Argon Ar 1.45 .1244 1.782
Arsine AsH
3
.67 .1167 3.478
Boron Trichloride BCl
3
.41 .1279 5.227 KR
Boron Trifluoride BF
3
.51 .1778 3.025
Bromine Br
2
.81 .0539 7.130
Boron Tribromide Br
3
.38 .0647 11.18
Bromine Pentafluoride BrF
5
.26 .1369 7.803
Bromine Trifluoride BrF
3
.38 .1161 6.108
Bromotrifloromethane
(Freon-13 B1)
CBrF
3
.37 .1113 6.644
1,3-Butadiene C
4
H
6
.32 .3514 2.413
Butane C
4
H
10
.26 .4007 2.593 NEO
1-Butane C
4
H
8
.30 .3648 2.503 NEO
2-Butane C
4
H
8
CIS .324 .336 2.503 NEO
2-Butane
C
4
H
8
TRANS .291 .374 2.503
Carbon Dioxide CO
2
.74 .2016 1.964
Carbon Disulfide CS
2
.60 .1428 3.397
Carbon Monoxide CO 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
.54 .1710 2.945
Carbonyl Sulfide COS .66 .1651 2.680
Chlorine CL
2
.86 .114 3.163
Chlorine Trifluoride CIF
3
.40 .1650 4.125
Chlorodifluoromethane
(Freon-22)
CHClF
2
.46 .1544 3.858
Chloroform CHCI
3
.39 .1309 5.326
Chloropentafluoroethane
(Freon-115)
C
2
CIF
5
.24 .164 6.892
Chlorotrifluromethane
(Freon-13)
CCIF
3
.38 .153 4.660
Cyanogen C
2
N
2
.61 .2613 2.322
Cyanogen Chloride CICN .61 .1739 2.742
Cychlopropane C
3
H
5
.46 .3177 1.877
Deuterium D
2
1.00 .1722 1.799
Diborane B
2
H
6
.44 .508 1.235
Dibromodifluoromethane CBr
2
F
2
.19 .15 9.362
Dibromethane .47 .075 7.76
Dichlorodifluoromethane
(Freon-12)
CCI
2
F
2
.35 .1432 5.395
Dichlorofluoromethane
(Freon-21)
CHCl
2
F .42 .140 4.952
* If no O-ring material is specified then O-ring to be used is Viton