NIST Temperature Scale Database (SRD 60), Version 3.0

Fixed Points Associated with a Selected Reference:

Temperature Scale Points
All Fixed Points

Reference:

Tillner-Roth, R. and Baehr, H.D., "An International Standard Formulation of the Thermodynamic Properties of 1,1,1,2-Tetrafluoroethane (HFC-134a) for Temperatures from 170 K to 455 K at Pressures up to 70 MPa," J. Phys. Chem. Ref. Data, 23:657-729, 1994. (DOI:) (1994)

Instruction:Total Records:   2
Substance
 
Transition
 
T90 (K)
 
u(T90)
(mK)
 
T-T90
(mK)
 
u(T-T90)
(mK)
 
u(T90) (K)
 
Eval
 
1,1,1,2-Tetrafluoroethane BP 247.076 0.002 0.002
1,1,1,2-Tetrafluoroethane TP 169.85 na na