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.
a) Framework structure of FAU. b) Adsorption isotherms and c) heat of adsorption of C4 hydrocarbons on zeolite X at 303 K for cis‐2‐butene (○),1‐butene (•), trans‐2‐butene (Δ), and butane (▴).38 1 torr=133.322 Pa. Parts (a) and (c) reproduced with permission from Elsevier.
