NIST Temperature Scale Database (SRD 60), Version 3.0
Fixed Points Associated with a Selected Reference:
Reference:
Leachman, J.W., Jacobsen, R.T, Penoncello, S.G., and Lemmon, E.W., "Fundamental Equations of State for Parahydrogen, Normal Hydrogen, and Orthohydrogen," J. Phys. Chem. Ref. Data, 38(3):721-748, 2009. (DOI:) (2009)Instruction:
Substance | Transition | T90 (K)
| u(T90) (mK) | T-T90 (mK) | u(T-T90) (mK) | u(T90) (K)
| Eval |
|---|---|---|---|---|---|---|---|
| n-H2 | BP | 20.3689 | 0.0034 | 0.0034 | |||
| n-H2 | TP | 13.957 | na | na | |||
| p-H2 | TP | 13.8033 | na | na |