NIST Temperature Scale Database (SRD 60), Version 3.0

Fixed Points Associated with a Selected Reference:

Temperature Scale Points
All Fixed Points

Reference:

H. Preston-Thomas, The International Temperature Scale of 1990 (ITS-90), Metrologia 27 (1990) 3 (DOI:) (1990)

Instruction:Total Records:   18
Substance
 
Transition
 
T90 (K)
 
u(T90)
(mK)
 
T-T90
(mK)
 
u(T-T90)
(mK)
 
u(T90) (K)
 
Eval
 
Ag FP 1234.93 4 46.2 14 4
Al FP 933.473 2 28.7 6.6 2
Ar TP 83.8058 0.06 -4.21 0.15 0.06
Au FP 1337.33 25 39.9 20 25
Cu FP 1357.77 25 52.1 20 25
e-H2 VP1 17.035 0.15 0.29 0.01 0.15
e-H2 VP2 20.27 0.15 0.16 0.01 0.15
Ga MP 302.9146 0.2 3.84 0.34 0.2
H2 TP 13.8033 0.15 0.36 0.01 0.15
He VP 0.65 to 5.0 <1 |T-T90|<2 <1 <1
Hg TP 234.3156 0.2 -2.89 0.13 0.2
In FP 429.7485 0.8 10.1 0.8 0.8
Ne TP 24.5561 0.09 -0.06 0.2 0.09
O2 TP 54.3584 0.06 -2.21 0.14 0.06
Review RE
Sn FP 505.078 0.6 11.5 1.3 0.6
H2O TP 273.16 0 0.1 0.1 0
Zn FP 692.677 0.8 13.8 6.9 0.8