Vinegar Syndrome

Recognize vinegar syndrome

Source: The Film Preservation Guide. NFPF. Page 14

When improperly stored, acetate film will discolor, giving the film a pinkish hue.

Example of Vinegar Syndrome Film

As acetate film decays, it shrinks, loses flexibility, curls, and warps.

Source: https://psap.library.illinois.edu/advanced-help/slide-film-bw

A-D Strips are used to determine the state of the film on a scale from no deterioration to critical deterioration.

Blue= no deterioration
Light Green= actively deterioration
Yellow= Critical condition

AD Strips: https://www.google.com/imgres?imgurl=https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2F4%2F4d%2FAD_strips.jpg&imgrefurl=https%3A%2F%2Fcommons.wikimedia.org%2Fwiki%2FFile%3AAD_strips.jpg&docid=HPni1pTSaD0DwM&tbnid=zGjY6vIhkZp2OM%3A&vet=10ahUKEwja9fTsvKTnAhUTr54KHVByD68QMwhAKAAwAA..i&w=4032&h=3024&client=safari&bih=1273&biw=1484&q=ad%20strips%20vinegar%20syndrome&ved=0ahUKEwja9fTsvKTnAhUTr54KHVByD68QMwhAKAAwAA&iact=mrc&uact=8
A-D strips in use, testing for vinegar syndrome Source: https://commons.wikimedia.org/wiki/File:AD_strips.jpg
Source: https://www.filmpreservation.org/preservation-basics/vinegar-syndrome

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