From: Carl Weese (cweese@earthlink.net)
Date: 04/09/02-05:31:23 AM Z
Shannon,
A respirator/filter for breathing is probably a good precaution when mixing
dry powders, but I don't know any reason for it while working with the
liquid solutions.---Carl
-- web site with picture galleries and workshop information at:http://home.earthlink.net/~cweese/
---------- >From: shannon stoney <sstoney@pdq.net> >To: alt-photo-process-l@sask.usask.ca >Subject: respirator cartridge for pt pd printing >Date: Mon, Apr 8, 2002, 9:41 PM >
> What kind of respirator cartridge should you use when coating with > the ferric oxalate solutions and the like for pt pd printing? > > --shannon > --
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