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Cyanotype Process |
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Cyanotype Process
(blueprint process), an obsolete method for the production of line images (blueprints) using light-sensitive materials based on ferric salts of certain organic acids, such as citric and tartaric acids. The process depends on the capacity of ferric iron to reduce to ferrous iron, with light as a catalyst. The cyanotype process has been replaced completely by diazotype and electrophotographic systems. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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