Fig. 7.
a Effect of contact time. b Pseudo-first-order and pseudo-second-order-models. c Intraparticle diffusion model
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.