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:

Marcarino P., Bassani C., Approximation of the ITS-90 between 660 °C and 962 °C Using the Sodium Vapour P-T Relation, in Temperature, Its Measurement and Control in Science and Industry (TMCSI), Reinhold, New York, 1992, 6, 209-214. (No DOI) (1992)

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