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This topic comprises 2 pages: 1 2
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Author
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Topic: Animal Products in Film?
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John Pytlak
Film God
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Posts: 9987
From: Rochester, NY 14650-1922
Registered: Jan 2000
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posted 07-20-2002 03:05 PM
EASTMAN GELATINE CORPORATION produces high grade gelatin for coating light sensitive emulsions onto flexible film base. Gelatin provides an ideal consistency as the 'bedding' compound for the color couplers and silver halide crystals. Photographic grade gelatin is also purchased from other sources. In over a century of photography, many other colloidal substances (e.g., albumen, synthetic polymers) have been tried for making photographic emulsions, NONE has been able to replace gelatin. http://rmp.opusis.com/documents/gelatininphotography.pdf http://www.cheresources.com/photochem.shtml http://aic.stanford.edu/jaic/articles/jaic36-03-002_1.html http://albumen.stanford.edu/library/c20/hendriks1.html http://artnavigator.tripod.com/emulsions3.htm ------------------ John P. Pytlak, Senior Technical Specialist Worldwide Technical Services, Entertainment Imaging Research Labs, Building 69, Room 7525A Rochester, New York, 14650-1922 USA Tel: +1 585 477 5325 Cell: +1 585 781 4036 Fax: +1 585 722 7243 e-mail: john.pytlak@kodak.com Web site: http://www.kodak.com/go/motion
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