platinotype

/plat-n-oh-tahyp/US // ˈplæt n oʊˌtaɪp //UK // (ˈplætɪnəʊˌtaɪp) //

铂金型,铂金版,铂金型的,铂金

Definitions

n.名词 noun

1
Photography.
- : a process of printing positives in which a platinum salt is used, rather than the usual silver salts, in order to make a more permanent print.
- : Also called platinum print . a print made by this process.

A thin negative is better printed by the cold bath process, but negatives should be good and brilliant for platinotype printing.
Amongst the various printing processes in common use amongst photographers, platinotype is unique in several respects.
To begin with, platinotype printing is divided into cold-bath process and hot-bath process.
The negative, therefore, should be dried before being brought into contact with the platinotype paper.
Make a note of the highest letter visible and proceed to develop the platinotype print.