Thats what I figured but I don't have my chemistry books down here....though
it gives me a smashing idea for out jewelry people @ Peters Valley Craft
Education center....
andy
-----Original Message-----
From: pinhole-discussion-admin@pinhole.com
[mailto:pinhole-discussion-admin@pinhole.com]On Behalf Of Richard M.
Koolish
Sent: Friday, July 10, 2893 6:44 PM
To: pinhole-discussion@pinhole.com
Subject: Re: [pinhole-discussion] Ag stuff
> andy, that's rediculous, all you have to do is test it to find out for
> yourself:
> scrape a small piece of copper down to bright metal with sandpaper and
> immerse the copper in used fixer... silver will begin to plate in less
than
> a minute... now try it with developer!
> can you locate these articles for us?
> jim
That's not a test for silver content, just a test to see if silver will
plate out under those chemical conditions. Developers with high
sodium sulfite concentrations are supposed to dissolve some of the
silver
grains.
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Received on Tue Feb 12 11:06:26 2002
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