On Thursday 17 April 2008, Erik Christiansen wrote:
>On Wed, Apr 16, 2008 at 10:38:40PM -0400, Gene Heskett wrote:
>> So I need the silver cyanide, a small loop of silver wire I can place
>> around it for the sacrificial silver, and a few volts and amps to do
>> the plating.  Both are made out of pure un-obtainium out here in the
>> hills of WV.
>
>A quick google confirmed my rusty recollection that last century we
>tended to use silver nitrate. It's much less toxic, but turns the skin
>black wherever it touches. I found that wears off when the skin does.
>
>e.g:
>http://www.google.com.au/search?q=silver+plating+nitrate&ie=utf-8&oe=utf-8&r
>ls=org.mozilla:en-GB:official&client=firefox-a&safe=images
>
>IIRC, Ag goes well onto copper. It may go fine onto clean brass, I expect,
>but iron needed Cu on it first, I seem to recall. (If you want it to
>stay on. ;-)
>
>I think the cyanide solution was for gold plating, and we used a
>titanium anode, to avoid polluting the solution. (Which was consumed.)
>
The solution or the electrode?  For either, I always assumed that the anode 
should be whatever metal was being plated in order to replenish the solution.

I've ordered the 4oz kit from Coswell & will see how that method works.

Thanks Erik.

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
The moving cursor writes, and having written, blinks on.

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