Re: [GBW] GBW Digest - 26 May 2004 to 27 May 2004 (#2004-84)

[jane brown <brownjm@xxxxxxxx>]

In response to the deacidifying issue with photographs, my
advice is not to deacidify.  I'm no chemist, but it messes
with the photographic emulsions.  Not having seen the problem,
it is difficult to say what should be done, but rehousing the
photographs in better housing might work.  Otherwise, I'd leave
well enough alone and recommend temperature and humidity controls
in storage area as the alternative.

Remind the client that photographs, though printed on paper, involve
a great many more issues than paper alone.  Neutral pH is not necessarily
the best environment for photographs and the lignin issues with paper
differ for photographs as well.

Jane Brown, Curator
Waring Historical Library
Charleston, SC
brownjm@xxxxxxxx

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