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Subject: Copper


From: Patrick Storme <patrick.storme>
Date: Sunday, September 20, 1998
Answer to the question from Zu-Chun Liao <zchun [at] nmns__edu__tw>

The specifications concerning the "rusted copper objects" are far
too general to be able to answer to your question. It is important
to know whether it is a pure metal or an alloy, and what kind of
other metals are involved.  There are also many different forms of
corrosion on copper or alloys, which should be determined first.
Furtherly you have to consider if the corrosion form is active or
not, and what to do with a possible patination on the piece that can
be valuable as well.

I recommend strongly to contact a conservator-restorer of metals in
your area.  When that would be impossible, you can feel free to give
me more specifications and photographs so I can help you with your

Patrick Storme
Royal Academy of Fine Arts
Conservation of Metals
328, Floralienlaan
B-2600 Berchem-Antwerp, Belgium

                  Conservation DistList Instance 12:29
                Distributed: Tuesday, September 22, 1998
                       Message Id: cdl-12-29-010
Received on Sunday, 20 September, 1998

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