NIST Temperature Scale Database (SRD 60), Version 3.0

Fixed Points Associated with a Selected Reference:

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Reference:

Clusius, K., and A. Frank, Z. Elektrochem. 49, 308 (1943). (No DOI) (1943)

Substance
 
Transition
 
T90 (K)
 
u(T90)
(mK)
 
T-T90
(mK)
 
u(T-T90)
(mK)
 
u(T90) (K)
 
Eval
 
Ar BP 87.31 0.02 0.02