From: Judy Seigel (jseigel@panix.com)
Date: 07/21/02-10:41:53 PM Z
On Sun, 21 Jul 2002, Jonathan Bailey wrote:
>
> If it's stock solution, I've never had it go bad. And the work solutions
> have an incredible life - even if they are stored in partial bottles:
> certainly months and months - even years of life.
I, too, have kept stock solution for years & years -- would say it keeps
indefinitely -- but if possible remove from the plastic bottle it now
comes in & store in brown glass. The plastic will cave in after a while, &
look impaired even if it isn't, which has a psychological effect on
sensitive materials.
Judy
>
> The plating out that Eric mentioned is, apparently, elemental selenium (I
> had always thought it was silver precipitating out) - the question was just
> asked on (another?) list. At any rate, the sediment makes no odds either
> way.
>
> Emmet Gowin suggests soaking a few prints overnight in work solutions you
> plan to throw away - to absorb the selenium and lessen the toxicity.
>
> Hope this helps.
>
> Jon
> www.jonathan-bailey.com
> Tenants Harbor, Maine
>
>
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