Silica gel

From: Conor McHale <*csmchale<-a*> Date: Friday, June 6, 2008 · csmchale<-a

Does anyone know if silica gel with a blue indicator is on the
market again? The cobalt chloride indicator type was withdrawn a
number of years ago, being replaced by orange/green indicator.
However I was recently supplied with a batch of blue silica gel and
haven't had any response from the supplier when querying it. Any
information would be appreciated.

Susannah Kelly
Archaeological Conservator

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                  Conservation DistList Instance 21:64
                   Distributed: Sunday, June 8, 2008
                       Message Id: cdl-21-64-019
                                  ***