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Series 820 Instruction Manual Appendix A
IM-82-C A-7
Actual Gas
Chemical
Symbol
K-factor
Relative N2
Cp
(Cal/g)
Density
(g/l) @ 0°C
Elastomer
O-ring*
Dichloromethylsilane (CH
3
)
2
SiCl
2
.25 .1882 5.758
Dichlorosilane SiH
2
Cl
2
.40 .150 4.506
Dichlorotetrafluoroethane
(Freon-114)
C
2
Cl
2
F
4
.22 .1604 7.626
1,1-Difluoroethylene
(Freon-1132A)
C
2
H
2
F
2
.43 .224 2.857
Dimethylamine (CH
3
)
2
NH .37 .366 2.011
Dimethyl Ether (CH
3
)
2
O .39 .3414 2.055
2,2-Dimethylpropane C
3
H
12
.22 .3914 3.219
Ethane C
2
H
6
.50 .4097 1.342
Ethanol C
2
H
6
O .39 .3395 2.055
EthylAcetylene C
4
H
6
.32 .3513 2.413
Ethyl Chloride C
2
H
5
CI .39 .244 2.879
Ethylene C
2
H
4
.60 .1365 1.251
Ethylene Oxide C
2
H
4
O .52 .268 1.965
Fluorine F
2
.980 .1873 1.695
Fluoroform (Freon-23) CHF
3
.50 .176 3.127
Freon-11 CCI
3
F .33 .1357 6.129
Freon-12 CCI
2
F
2
.35 .1432 5.395
Freon-13 CCIF
3
.38 .153 4.660
Freon-13 B1 CFrF
3
.37 .1113 6.644
Freon-14 CF
4
.42 .1654 3.926
Freon-21 CHCI
2
F .42 .140 4.952
Freon-22 CHCIF
2
.46 .1544 3.858
Freon-113
CCI
2
FCCIF
2
.20 .161 8.360
Freon-114 C
2
Cl
2
F
4
.22 .160 7.626
Freon-115 C
2
ClF
5
.24 .164 6.892
Freon-C318 C
4
F
6
.17 .185 8.397
Germane GeH
4
.57 .1404 3.418
Germanium Tetrachloride GeCL
4
.27 .1071 9.565
Helium He 1.454 1.241 .1786
Hexafluoroethane
(Freon-116)
C
2
F
6
.24 .1834 6.157
Hexane C
6
H
14
.18 .3968 3.845
Hydrogen H
2
1.01 3.419 .0899
Hydrogen Bromide HBr 1.000 .0861 3.610
Hydrogen Chloride HCl 1.000 .1912 1.627 KR
Hydrogen Cyanide HCN 1.070 .3171 1.206
Hydrogen Fluoride HF 1.000 .3479 .893 KR
Hydrogen Iodide HI 1.000 .0545 5.707
Hydrogen Selenide H
2
Se .79 .1025 3.613
Hydrogen Sulfide H
2
S .80 .2397 1.520
Iodine Pentafluoride IF
5
.25 .1108 9.90
Isobutane CH(CH
3
)
3
.27 .3872 3.593
Isobutylene C
4
H
8
.29 .3701 2.503
Krypton Kr 1.453 .0593 3.739
Methane CH
4
.72 .5328 .715
Methanol CH
3
OH .58 .3274 1.429
Methyl Acetylene C
3
H
4
.43 .3547 1.787
Methyl Bromide CH
2
Br .58 .1106 4.236
Methyl Chloride CH
3
Cl .1926 2.253
Methyl Fluoride CH
3
F .68 .3221 1.518
* If no O-ring material is specified then O-ring to be used is Viton