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Series 830/840/860 Instruction Manual Appendix A
IM-83/84/86-H A-7
Gas Tables and K-factors
Actual Gas
Chemical
Symbol
K-factor
Relative N2
Cp
(Cal/g)
Density
(g/l) @ 0°C
Elastomer
O-ring* Valve Seat
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
KR
Ammonia
NH
3
.73
.492
.760
NEO
NEO
Argon
Ar
1.45
.1244
1.782
Arsine
AsH
3
.67
.1167
3.478
KR
Boron Trichloride
BCl
3
.41
.1279
5.227
KR
KR
Boron Trifluoride
BF
3
.51
.1778
3.025
KR
Bromine
Br
2
.81
.0539
7.130
Boron Tribromide
Br
3
.38
.0647
11.18
KR
Bromine Pentafluoride
BrF
5
.26
.1369
7.803
KR
Bromine Trifluoride
BrF
3
.38
.1161
6.108
KR
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
KR
1-Butane
C
4
H
8
.30
.3648
2.503
NEO
KR
2-Butane
C
4
H
8
CIS
.324
.336
2.503
NEO
KR
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
KR
Carbon Tetrafluoride
(Freon-14)
CF
4
.42
.1654
3.926
KR
Carbonyl Fluoride
COF
2
.54
.1710
2.945
Carbonyl Sulfide
COS
.66
.1651
2.680
Chlorine
CL
2
.86
.114
3.163
KR
Chlorine Trifluoride
CIF
3
.40
.1650
4.125
KR
Chlorodifluoromethane
(Freon-22)
CHClF
2
.46
.1544
3.858
KR
Chloroform
CHCI
3
.39
.1309
5.326
KR
Chloropentafluoroethane
(Freon-115)
C
2
CIF
5
.24
.164
6.892
KR
Chlorotrifluromethane
(Freon-13)
CCIF
3
.38
.153
4.660
KR
Cyanogen
C
2
N
2
.61
.2613
2.322
KR
Cyanogen Chloride
CICN
.61
.1739
2.742
Cychlopropane
C
3
H
5
.46
.3177
1.877
KR
Deuterium
D
2
1.00
.1722
1.799
Diborane
B
2
H
6
.44
.508
1.235
KR
Dibromodifluoromethane
CBr
2
F
2
.19
.15
9.362
KR
Dibromethane
.47
.075
7.76
KR
Dichlorodifluoromethane
(Freon-12)
CCI
2
F
2
.35
.1432
5.395
KR
Dichlorofluoromethane
(Freon-21)
CHCl
2
F
.42
.140
4.952
KR