TERMIUM Plus®

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bichromate process [1 record]

Record 1 1999-02-23

English

Subject field(s)
  • Photography
DEF

Process employing potassium, sodium or ammonium bichromates (also called dichromates) in association with organic colloids (gum, glue, albumen and gelatin).

OBS

Such combinations become insoluble on exposure to light and form the basis for a variety of photographic print and photomechanical printing plate making processes.

French

Domaine(s)
  • Photographie
DEF

Technique utilisant les propriétés de la photo-insolubilisation de gélatine, d'albumine ou d'alcool polyvinylique imprégnée de bichromate.

Spanish

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