A color separation company or an offset printing company doing their own
film or flat will also have the same kind of used fixer solution.
film or flat will also have the same kind of used fixer solution.
----- Original Message -----
From: "bob_ledoux" <bobledoux@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Saturday, December 03, 2005 10:22 PM
Subject: [Homebrew_PCBs] Making Your Own Silver
> Run a roll of black and white film through some fixer solution (hypo).
> It will disolve the silver-based film emulsion. If you know a
> photographer who uses black and white film ask for a bottle of
> exhausted fixer solution. You might even get some from a commerical,
> custom film processor.
>>
>> I've mailed my chemicals shop 'bout the prices for silver chloride and
>> silver nitrate and they put quite the dampener on the idea anyway.
> While
>> it is probably very sparingly used it is still not cheap. Also, the
> layer
>> is probably very, very thin. I guess it would be more economical if
> one
>> would use "junk" silver and convert it into silver chloride with
>> electrodes or to silver nitrate with acid. I guess plumbing solder is
>> really the most economical way.
>>
>> ST
>>
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