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Subject: Contaminated shellac

Contaminated shellac

From: Jens Glastrup <bev-jg>
Date: Thursday, March 19, 1998
Jim Moss <clkmkr [at] tiac__net> writes

>A colleague of mine who does not have network access has asked for
>information and guidance regarding contamination that he has found
>in shellac.

If you have the contaminating material on a fritted glass disc, it
must be possible to have the material identified, or at least
characterised, with an IR spectrometer or by XRD.

Jens Glastrup
Chemist
The National Museum of Denmark

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                  Conservation DistList Instance 11:78
                 Distributed: Thursday, March 19, 1998
                       Message Id: cdl-11-78-004
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Received on Thursday, 19 March, 1998

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