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Subject: Printing ink stains on paper

Printing ink stains on paper

From: Cinzia Martorana <cinmart<-a>
Date: Friday, May 16, 2014
My degree thesis deals with study of an archive group of posters
dated 1850-1910 belonging to the library of Geneve.  The most
important problem is the presence of stains throughout around the
letters: their occurrence probably depends on the migration of some
substances presented in the ink.  The printing ink and the stains
made the underlying paper very brittle.  The test for the
individuation of iron ions (2+) was positive only on the stains. Has
anyone faced this type of problem yet?

Cinzia Martorana
University of Geneva

                  Conservation DistList Instance 27:45
                  Distributed: Saturday, May 17, 2014
                       Message Id: cdl-27-45-015
Received on Friday, 16 May, 2014

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