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.
Variation of solution pH during OII removal by chitosan and BCP (OII concentration 200 mg/L, reaction time 10 min, and BCP and chitosan dose 1 mg/L).
| Initial solution pH | Final pH | |
|---|---|---|
| Chitosan | BCP | |
| 3 | 3.03 | 5.26 |
| 4 | 4.09 | 6.61 |
| 5 | 5.08 | 7.42 |
| 6 | 6.03 | 8.42 |
| 7 | 7.08 | 9.53 |
| 8 | 8.08 | 9.85 |
| 9 | 9.1 | 10.8 |
| 10 | 10.02 | 11 |
