Figure 4.
The influence of pH on the retention of As (V) ions by BE, PN/BE and G.Zn@PN/BE composite.
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.