Re: Kallitype archivality -Reply -Reply
Kevin Won (WONK@ohsu.edu)
Mon, 29 Apr 1996 15:43:04 -0700
My Kallitypes that show degration to the edges were made the same time as
others that don't show the same image degration. The ones that do show
bleaching from the edges are *very* bleached to 1 cm. I suspect that it
somehow got very contaminated. But these images were processed identical to
others which show no degration whatsoever, leading me to the belief that
*all* the images were processed correctly, with good chemestry (fresh
ferric oxilate), but some of them were subsequently contaminated
post-process. I don't recall any major contamination of any of these
photographs, but I do use the mounting press at my University, which
obviously has the potential to harbor lots of nasty residual chemicals.
Though I use an archival sheet of paper between the print and the press,
this is one of the places I suspect the image picked up something nasty.
Again, the expereince leads me to the belief that the delicate Kallitpe
image *can* be processed to a high standard of archivality (is that a
word?), but the inherent nature of the process makes the Kallitype a
tempermental process, easily spoiled by the smallest of contaminants.
Kevin