NIST Temperature Scale Database (SRD 60), Version 3.0
Fixed Points Associated with a Selected Reference:
Reference:
Lemmon, E.W. and Jacobsen, R.T, "A New Functional Form and New Fitting Techniques for Equations of State with Application to Pentafluoroethane (HFC-125)," J. Phys. Chem. Ref. Data, 34(1):69-108, 2005. (DOI:) (2005)Instruction:
Substance | Transition | T90 (K)
| u(T90) (mK) | T-T90 (mK) | u(T-T90) (mK) | u(T90) (K)
| Eval |
|---|---|---|---|---|---|---|---|
| Pentafluoroethane | BP | 225.06 | 0.01 | 0.01 | |||
| Pentafluoroethane | TP | 172.52 | na | na |