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.
X-band EPR spectra of 0.5 mM aqueous solutions of the imidazolidine-type nitroxides In1 (a), In2 (b), In3 (c), and In4 (d) recorded in the presence of 0.01 M HCl at room temperature