Table 3.
Reference Values for the Viscosity of 11 Gases at 25°C and 0.1 MPa23 and their expanded uncertainty at the 95 % confidence level, U(η).
| Gas | η /μ Pa s | U(η) / μPa s |
|---|---|---|
| He | 19.8249 | 0.0009 |
| N2 | 17.7620 | 0.0099 |
| Ar | 22.5844 | 0.0125 |
| CH4 | 11.0769 | 0.0075 |
| Xe | 23.0514 | 0.0152 |
| Ne | 31.7124 | 0.0200 |
| Kr | 25.3371 | 0.0182 |
| C2H6 | 9.2398 | 0.0075 |
| H2 | 8.9011 | 0.0060 |
| C3H8 | 8.1327 | 0.0081 |
| SF6 | 15.2288 | 0.0216 |