NIST Temperature Scale Database (SRD 60), Version 3.0

Fixed Points Associated with a Selected Reference:

Temperature Scale Points
All Fixed Points

Reference:

Prydz, R.; Goodwin, R.D., Experimental Melting and Vapor Pressures of Methane, J. Chem. Thermodyn., 1972, 4, 127-33 (DOI:) (1972)

Substance
 
Transition
 
T90 (K)
 
u(T90)
(mK)
 
T-T90
(mK)
 
u(T-T90)
(mK)
 
u(T90) (K)
 
Eval
 
Methane TP 90.688 0.002 0.002