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.
Rhoderick, G.
(2005),
Long-Term Stability of Hydrocarbons in NIST Gas Standard Reference Material (SRM) 1800, Analytical and Bioanalytical Chemistry
(Accessed April 24, 2024)