Fig. 2.
Raman spectrum of the sample during freeze-drying it according to process 1 after 500 min. The peaks used to determine the intensities of the individual components are encircled
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.