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:

Sakurai, H, Calorimetric realization of the triple point of mercury using a pulse-tube refrigerator, in Temperature, Its Measurement and Control in Science and Industry (TMCSI) 7, 684 (2003) 209-214. (No DOI) (2003)

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