NIST Standard Reference Database (SRD) 60

NIST Temperature Scale Database (SRD 60), Version 3.0

Fixed Points Associated with a Selected Reference:

Reference:

Vogt, G.J.; Pitzer, K.S., Entropy and heat capacity of methane; spin-species conversion, J. Chem. Thermodyn., 1976, 8, 1011. (DOI:) (1976)

Substance

Transition

T₉₀ (K)

u(T₉₀)
(mK)

T-T₉₀
(mK)

u(T-T₉₀)
(mK)

u(T₉₀) (K)

Eval

Methane

TP

90.694

0.001

0.001