On Sat, Mar 20, 2004 at 07:49:34PM -0700, jim feldman wrote:
> I replied at length privately, but water is BAD for emulsions unless
> you're ready to go through a complete re-soak.  Unless the re-soak ends
> in a bleach bath, it's probably not going to help, and could make
> matters worse.  There are some very good sites that discuss photo
> material conservation/restoration and the appropriate materials and
> protocols.
> http://www.cr.nps.gov/museum/publications/conserveogram/cons_toc.html
> http://www.mnhs.org/preserve/conservation/photographs.html
> the USA library of congress web site also has some good references.  I
> actually quoted a higher RH to him for storage.  It seems 30-40%RH is
> now considered best.  Last I heard it was 60% max 
> PEC-12 is best to use if you need a cleaner.
well, usually the first time i try something, it really doesnt work out
very well -- and google showed me a bunch of people to hire.

thanks for the correction.


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