NIST Temperature Scale Database (SRD 60), Version 3.0

Fixed Points Associated with a Selected Reference:

Temperature Scale Points
All Fixed Points

Reference:

R. KIeinrahm and W. Wagner, J. Chem. Thermodyn. 18, 739 (1986) (DOI:) (1986)

Substance
 
Transition
 
T90 (K)
 
u(T90)
(mK)
 
T-T90
(mK)
 
u(T-T90)
(mK)
 
u(T90) (K)
 
Eval
 
Methane TP 90.6941 0.003 0.003