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Subject: LightCheck


From: Julie Rees-Jones <julierayfield<-a>
Date: Thursday, October 9, 2008
Fiona Cahill <fiona.cahill [at] armouries__org__uk> writes

>I have been asked to review the dosimeters we use in our galleries,
>and from the literature see that LightCheck
><URL:> has been a promoted as a
>replacement for blue wool dosimeters. ...

We carried out a MA conservation project at the Institute of
Archaeology, UCL, looking at the LightCheck sticks and found them to
be good in low light levels as they change colour more quickly than
Blue Wool Standards.  They were very sensitive to UV light and will
change colour very quickly if exposed to direct sunlight.  They
could therefore be useful to monitor the integrity of UV filters.

Some of the colour changes were hard to tell apart.

These test were carried out only over a few weeks.  If you want any
further info get in touch.

Julie Rees-Jones
+971 43941341

                  Conservation DistList Instance 22:21
                 Distributed: Sunday, October 12, 2008
                       Message Id: cdl-22-21-002
Received on Thursday, 9 October, 2008

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