NIST Temperature Scale Database (SRD 60), Version 3.0

Fixed Points Associated with a Selected Reference:

Temperature Scale Points
All Fixed Points

Reference:

Lemmon, E.W., Bell, I.H., Huber, M.L., McLinden, M.O. NIST Standard Reference Database 23: Reference Fluid Thermodynamic and Transport Properties-REFPROP, Version 10.0, National Institute of Standards and Technology, Standard Reference Data Program, Gaithersburg, 2018. (No DOI) (2018)

Instruction:Total Records:   25
Substance
 
Transition
 
T90 (K)
 
u(T90)
(mK)
 
T-T90
(mK)
 
u(T-T90)
(mK)
 
u(T90) (K)
 
Eval
 
Acetylene BP 188.26 na na
Acetylene TP 191.75 na na
Ar BP 87.302 0.002 0.002
Chlorotrifluoromethane BP 191.674 0.009 0.009
Chlorotrifluoromethane TP 92 na na
e-D2 BP 23.661 0.035 0.035
Ethane BP 184.5686 0.0009 0.0009
Ethane TP 90.368 na na
He BP 4.2238 0.0001 0.0001
He TP 2.1768 na na
Methane BP 111.667 na na
Methane TP 90.6941 na na
n-D2 TP 18.724 na na
n-H2 BP 20.369 na na
n-H2 TP 13.957 na na
N2 BP 77.3550 0.0008 0.0008
Ne BP 27.100 0.003 0.003
Ne BP 27.100 0.003 0.003
o-H2 b-g 20.38 na na
o-H2 TP 14.008 na na
O2 BP 90.1878 0.005 0.005
p-H2 BP 20.271 na na
p-H2 TP 13.8033 na na
Propane BP 231.036 0.002 0.002
Propane TP 85.525 na na