From: Eric Nelson (emanmb@yahoo.com)
Date: 10/17/02-08:34:22 AM Z
Years and years ago, I made some gold chloride a
couple of times while I still had all the acids to
make aqua regia.
First time I did it I let the 1 gm of gold I was
working with sit in the solution by a window but that
took forever so I began to heat it. I still have
purple stains on my kitchen table from when the beaker
cracked.
Next time I did it I bought a Krugerand, flattened it
with a hammer to make it easier to break down and did
a double boiler set up outside using a Coleman camping
stove. The fumes are really bad but I am still
working from that solution made nearly 10 years ago.
Confronted w/the need for AuCl, I'd probably opt to
buy it nowadays, given all the time involved and the
inherent nastiness of the process of making it. Once
done, one still has to figure out how to come up w/ an
X% solution, which takes some higher math skills that
some brain at DF Goldsmith helped me on years ago.
Yes, one is playing w/fire doing this and flirting
w/several kinds of possible disasters especially if
crazy enough to do it indoors, but I wouldn't get bent
outta shape if someone said they were going to try it.
Forewarned is......
Eric
(for those w/broadband connect...http://homepage.mac.com/emanphoto/Menu20.html)
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