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.
Possible trends of isosteric heat of adsorption. Trend a is typical of a solid with a finite number of strong adsorption sites and otherwise weak adsorption sites. Trend b belongs to a solid with an energetically heterogeneous surface. Trend c is typical of systems with weak adsorbent–adsorbate interactions.
