Fig. 5.
XPS spectra of different chitin samples before and after adsorption of CR: (A) S 2p spectra; (B) C 1s; (C)N 1s; (D) O 1s; (E)Na 1s.
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.