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.
A) Cumulative quantities of dyes released after each wash. MO is desorbed from NP-PEIP05 with sodium hydroxide aqueous solution, MB from NP-PEIP90 with diluted nitric acid. B) The efficiency of the dyes extraction remains high after several adsorption/desorption cycles.
