An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Fellmuth, B.
and Tew, W.
(2021),
Precise Dependence of the Triple-Point Temperature of Hydrogen on the Deuterium Content at Low Concentrations, Metrologia
(Accessed June 8, 2023)