26
Gas
Number
Short Form Long Form
Viscosity*
0 deg C
14.696 PSIA
Density**
0 deg C
14.696 PSIA
Compressibility
0 deg C
14.696 PSIA
0 Air Air 172.588 1.2927 0.9994
1 Ar Argon 209.566 1.7840 0.9991
2 CH4 Methane 103.657 0.7175 0.9976
3 CO Carbon Monoxide 165.130 1.2505 0.9994
4 CO2 Carbon Dioxide 137.129 1.9768 0.9933
5 C2H6 Ethane 86.127 1.3551 0.9900
6 H2 Hydrogen 83.970 0.08988 1.0007
7 He Helium 186.945 0.17849 1.0005
8 N2 Nitrogen 166.371 1.2504 0.9995
9 N2O Nitrous Oxide 136.350 1.9778 0.9928
10 Ne Neon 293.825 0.8999 1.0005
11 O2 Oxygen 190.555 1.4290 0.9990
12 C3H8 Propane 74.687 2.0101 0.9787
13 n-C4H10 normal-Butane 67.691 2.7048 0.9587
14 C2H2 Acetylene 97.374 1.1728 0.9905
15 C2H4 Ethylene 94.690 1.2611 0.9925
16 i-C4H10 iso-Butane 68.759 2.6893 0.9627
17 Kr Krypton 232.175 3.7422 0.9991
18 Xe Xenon 212.085 5.8988 0.9931
19 SF6 Sulfur Hexauoride 140.890 6.6154 0.9850
20 C-25 75% Argon / 25% CO2 190.579 1.8309 0.9982
21 C-10 90% Argon / 10% CO2 201.897 1.8027 0.9987
22 C-8 92% Argon / 8% CO2 203.423 1.7989 0.9988
23 C-2 98% Argon / 2% CO2 208.022 1.7877 0.9990
24 C-75 75% CO2 / 25% Argon 154.328 1.9270 0.9954
25 A-75 75% Argon / 25% Helium 214.808 1.3821 0.9995
26 A-25 75% Helium / 25% Argon 218.962 0.5794 1.0002
27 A1025
90% Helium / 7.5% Argon
/ 2.5% CO2
(Praxair - Helistar® A1025)
201.284 0.3434 1.0002
28 Star29
90% Argon / 8% CO2
/ 2% Oxygen
(Praxair - Stargon® CS)
203.139 1.7918 0.9988
29 P-5 95% Argon / 5% Methane 207.633 1.7307 0.9990
*in micropoise (1 Poise = gram / (cm) (sec)) ** Grams/Liter (NIST REFPROP 7 database)
Gas Viscosities, Densities and Compressibilities at 0
o
C