collodion

/kuh-loh-dee-uhn/US // kəˈloʊ di ən //UK // (kəˈləʊdɪən) //

胶印,胶棉,胶印技术,火棉胶

Definitions

n.名词 noun

1
- : a yellowish, viscous, highly flammable solution of pyroxylin in ether and alcohol: used in the manufacture of photographic film, in engraving and lithography, and in medicine chiefly for cementing dressings and sealing wounds.

Their Iodized Collodion is highly sensitive, and retains all its qualities unimpaired for three months.
I am myself quite unable to form an idea what the collodion pictures done by first-rate photographers are like.
If the collodion is good, the film is semi-transparent, of a bluish opal-like appearance.
Many of the unpleasant markings in collodion pictures may have their origin in the gutta percha.
Occasionally, upon sensitising collodion, I have found it assume a deep sherry colour a few hours after being made.