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Re: Permanency of VDB (test)
On Wed, 19 Jul 2000, Robert W. Schramm wrote:
> ...Longevity,
> it seems has to do with the deterioration of the image due to
> chemical reactions between those comound which make up the image
> and chemical compounds in the substrate and in the air. According
> to him, relative humidity was the most important factor since
> the more water present, the more active were the chemical reactions
> that cause deterioration of the image. Actually archivists recommend
That's probably the kind of deterioration meant due to the small silver
particles... More SURFACE is exposed to those elements.
> The bottom line was that best storage was very dry, frozen and in
> the dark.
>
Along those lines, the VERY best storage would be not to make the
print: then it can't possibly deteriorate.
regards,
Judy