What's the difference between pyroxylin and xyloidin?
Pyroxylin
Definition:
(n.) A substance resembling gun cotton in composition and properties, but distinct in that it is more highly nitrified and is soluble in alcohol, ether, etc.; -- called also pyroxyle.
Example Sentences:
(1) Collodion is a solution of pyroxylin in a solution of 75% ether and 25% alcohol.
Xyloidin
Definition:
(n.) A substance resembling pyroxylin, obtained by the action of nitric acid on starch; -- called also nitramidin.