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.
3D plots of the effect of variable on the turbidity removal efficiency by the simultaneous application of polyaluminium chloride: (a) PACl and oak extract, (b) PACl and pH, (c) pH and initial turbidity concentration, and (d) PACl and initial turbidity concentration