Assertion: cellulose | /r/HasProperty | treated with nitric acid
Facets:
Source sentences:
text: Parkesine was made from cellulose treated with nitric acid and a solvent.
text: In 1855, the first man-made plastic, nitrocellulose (branded Parkesine, patented in 1862), was created by Alexander Parkes from cellulose treated with nitric acid and a solvent.