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Subject: Identifying chrome tanned leather

Identifying chrome tanned leather

From: Denise Silveira <denisilv>
Date: Thursday, August 6, 1998
Cor Knops asked about (Cons DistList Instance 12:13) a simple method
to identify the presence of a chrome retan on vegetable tanned
leathers. I have been using the ash method for a number of years:
one burns a strip of leather down to ashes; if there's chrome
present it will usually show as pale green among the ashes' black
and grey. Best view on white surfaces.That simple.

Claudius Schettini
Book and Paper Conservator
Florence, Italy

                  Conservation DistList Instance 12:16
                 Distributed: Thursday, August 6, 1998
                       Message Id: cdl-12-16-003
Received on Thursday, 6 August, 1998

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