NIST Temperature Scale Database (SRD 60), Version 3.0
Fixed Points Associated with a Selected Reference:
Reference:
Tegeler, C; Span, R; Wagner, W, A new equation of state for argon covering the fluid region for temperatures from the melting line to 700 K at pressures up to 1000 MPa, J. Phys. Chem. Ref. Data, 28 (1999) 779-850. (DOI:) (1999)Instruction:
|
Substance
|
Transition
|
T90 (K)
|
u(T90)
(mK) |
T-T90
(mK) |
u(T-T90)
(mK) |
u(T90) (K)
|
Eval
|
|---|---|---|---|---|---|---|---|
| Ar | BP | 87.303 | 0.002 | 0.002 | |||
| Ar | BP | ||||||
| Ar | MP | 83.814 | na | na | |||
| Ar | TP |