Declare the script language used and the source where the script functions are located. glass ball   Table III: Defining fixed points of the ITS-90

VP indicates vapor pressure point; TP indicates triple point (solid, liquid, and gas phases); MP indicates melting point and FP indicates freezing point (solid and liquid phases at 101325 Pa).

Material T90 /K t90 /°C
He (VP) 3 to 5 -270.15 to -268.15
eH2 (TP) 13.8033 -259.3467
eH2 (VP) approximate17 approximate-256.15
eH2 (VP) approximate20.3 approximate-252.85
Ne (TP) 24.5561 -248.5939
O2 (TP) 54.3584 -218.7916
Ar (TP) 83.8058 -189.3442
Hg (TP) 234.3156 -38.8344
 
Material T90 /K t90 /°C
H2O (TP) 273.16 0.01
Ga (MP) 302.9146 29.7646
In (FP) 429.7485 156.5985
Sn (FP) 505.078 231.928
Zn (FP) 692.677 419.527
Al (FP) 933.473 660.323
Ag (FP) 1234.93 961.78
Au (FP) 1337.33 1064.18
Cu (FP) 1357.77 1084.62