collodion replication

collodion replication

[kə′lōd·ē·ən rep·lə′kā·shən]
(analytical chemistry)
Production of a faithful collodion-film mold of a specimen surface (for example, powders, bones, microorganisms, crystals) which is sufficiently thin to be studied by electron microscopy.
(graphic arts)
A process of image formation utilizing a negative that is a glass plate coated with a collodion containing iodides.