RE: Disposing of chemicals

one way of removing a decent amount of the silver is to drop a steel wool
pad into it & let it sit for a while. A white precipitate, Silver Oxide (I
think) is formed when the iron replaces the silver in the fixer.
Unfortunately AgO is a very stable compound and is real difficult to refine
into elemental silver...but at least you are keeping it out of the aquifer.
There have also been small Silver Recovery units that precipitate the silver
using electricity on eBay for a reasonable price. If you all want I can
check the name of the maker & post it.
andy

-----Original Message-----
From: pinhole-discussion-admin@pinhole.com
[mailto:pinhole-discussion-admin@pinhole.com]On Behalf Of Colin Talcroft
Sent: Sunday, February 03, 2002 1:23 PM
To: pinhole-discussion@pinhole.com
Subject: Re: [pinhole-discussion] Disposing of chemicals

Someone was wondering about disposal of chemicals, a
subject that has often bothered me. I did a little
r...snip

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Received on Sun Feb 3 16:41:36 2002