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.
Polarizing microscope observations of the cellulose solubility in AMIMCl solution at 80 °C with 400X magnification with or without additives at 0, 10, 20, and 30 min respectively: The undissolved cellulose appeared as a bright spot in the visual field, and the dissolved cellulose cannot be observed (black).
