NIST, National Institute of Standards and Technology, U.S. Department of Commerce
NIST Temperature Scale Database (SRD 60), Version 3.0

Fixed Points Associated with a Selected Reference:

Temperature Scale Points
All Fixed Points

Reference:

Bonhoure J., Pello R., Temperature of the Triple Point of Methane, Metrologia, 1978, 14, 175-177. (DOI:) (1978)

Substance
 
Transition
 
T90 (K)
 
u(T90)
(mK)
 
T-T90
(mK)
 
u(T-T90)
(mK)
 
u(T90) (K)
 
Eval
 
MethaneTP