platinotype


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plat·i·no·type

 (plăt′n-ō-tīp′)
n.
1. A process formerly used for making photographic prints, using a finely precipitated platinum salt and an iron salt in the sensitizing solution to produce prints in platinum black.
2. A print produced by platinotype.

platinotype

(ˈplætɪnəʊˌtaɪp)
n
(Photography) an obsolete process for producing photographic prints using paper coated with an emulsion containing platinum salts, the resulting image in platinum black being more permanent and of a richer tone than the usual silver image

platinotype

1. a photographic process in which a platinum salt is used in place of the more usual silver salts to produce a more permanent print.
2. a photographic print so made.
See also: Photography
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References in periodicals archive ?
Even though he is best known for illustrations involving collotypes and half-tone prints, he also used a number of other techniques, including ambrotypes, albumen prints and platinotype prints.
Profiles of such giants of the past as Matthew Brady, Sebastian Salgado, Margaret Bourke-White, and Alfred Stieglitz particularize developments in diagonal thrust, chiaroscuro, and the use of platinotype. Juxtaposition poses human forms in motion and in repose opposite architectural geometries, celebrity vamping, candid street bustle, and light and shade in nature.
Debussy also offered Lebeau a photograph of himself, with a dedication on the back that he set down after the printed indication "procede inalterable" (platinotype processing).