Figure 2.
IR spectra of sodium salt and Co(II), Ni(II), Cu(II) and Zn(II) complexes of cichoric acid (400–1800 cm−1).
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.