NIST Temperature Scale Database (SRD 60), Version 3.0
Fixed Points Associated with a Selected Reference:
Reference:
Setzmann, U. and Wagner, W., "A New Equation of State and Tables of Thermodynamic Properties for Methane Covering the Range from the Melting Line to 625 K at Pressures up to 1000 MPa," J. Phys. Chem. Ref. Data, 20(6):1061-1151, 1991. (DOI:) (1991)Instruction:
Substance | Transition | T90 (K)
| u(T90) (mK) | T-T90 (mK) | u(T-T90) (mK) | u(T90) (K)
| Eval |
|---|---|---|---|---|---|---|---|
| Methane | BP | 111.668 | 0.0025 | 0.0025 | |||
| Methane | TP | 90.6941 | 0.0025 | 0.0025 |