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News from March 2013

Here's an archive of news from March 2013.

Vinegar Syndrome and Emulsion Stripping of Acetate Negatives

March 22, 2013

When photographic film with a cellulose acetate support begins to deteriorate we say it has vinegar syndrome because it forms acetic acid (among other deterioration byproducts) and smells like vinegar. The acetate support also shrinks and becomes brittle eventually pulling away from the gelatin image layer in patterns often called channeling. The plasticizer in the acetate support comes to the surface and forms small bubbles between the acetate support and the gelatin image layer. Find out how it can be fixed after the jump.

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