Re: preservation of negatives/slides/prints
I don't know what you are trying to say in the context of this thread, but mold typically grows above 50% RH. Such a high level of humidity is unsuitable for archival storage of anything. Freezer is recommended for some materials but generally not considered necessary for b&w silver materials. On Wed, 21 Mar 2007 09:28:40 -0700, "SteveS" <sgshiya@redshift.com> said: > Some years ago one of the inventors of the inkjet process discussed how > to > prevent mold in the preservation of slides and negatives. It was > successful > when they were stored in the freezer. Think about it. Everything dies > or > held in suspension in the sub zero cold. > > > ----- Original Message ----- > From: "Gawain Weaver" <gawain.weaver@gmail.com> > To: <alt-photo-process-l@usask.ca> > Sent: Tuesday, March 20, 2007 10:39 AM > Subject: RE: preservation of negatives/slides/prints > > > >I agree completely agree Ryuji, and was about to add something to that > > effect. It is difficult and even misleading to try to explain as I did the > > best care of a wide variety of photographic materials. Color, film base, > > and > > black and white prints all have slightly different weaknesses, and they > > really need to be addressed individually to do them justice. Silver > > gelatin > > materials do have a particular weakness to peroxides and other oxidizing > > chemicals that is not seen so much with color. But back to alt photo! > > > > Gawain > > > > > > > > Ryuji wrote: > > > > Another thing is that it is very misleading to describe one variable as > > "the most important factor" etc. here. > > > > > > > > -- > > No virus found in this outgoing message. > > Checked by AVG Free Edition. > > Version: 7.5.446 / Virus Database: 268.18.15/728 - Release Date: 3/20/2007 > > 8:07 AM > > > > > > > > > >
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