Re: EXperience of Salt Print permanence

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rurmonas@senet.com.au
Date: 03/28/03-10:04:05 AM Z


Quoting Amy Cutting <amos1979@attbi.com>:

> At the Amon Carter Museum in Fort Worth they have a salt print on display
> (sort of) that is covered by a flap of black velvet. To view the print you
> have to go over, notice it's actually a piece of art, read the sign, and
> finally lift the velvet. The sign said that this was because salt prints are
> light sensitive and prone to fading. I don't know if this was just a museum
> precaution for a valuable print or just paranoia though.

THank you for the reply.

In my limited understanding, a properly fixed and washed salt print, on
a decent paper, should not be faded by light. I expect any fading etc. to be
caused by chemical reaction of the silver with airborne pollutants. However,
I do not have a good feel for just how rapidly this occurs in places where
a print may be displayed in a home or office. Some locations such as over a
photocopier or laser printer are going to shorten the life significantly.
However I don't expect the print to be in such a place.

Richard

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Richard Urmonas
rurmonas@senet.com.au
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