Re: Green patina questions
- From: Curtis Gates <rcjwampum@xxxxxxxx>
- Date: Thu, 03 May 2007 04:22:17 GMT
melissa17s@xxxxxxxxx wrote:
1st, will either of the silvers patina, if exposed to the chemicals?
They'll probably get altered, so I'd either protect them with something
removable like wax, or plan on cleaning them up after with a flex shaft
buff.Silver probably won't be green. Ultimately, though, you just have
to do some tests before you go with the artwork. On all the metals.
That's really important.
In college, I only remember making the recipe for blue and our
green patina was a bucket in the corner full of saw dust and urine
samples... I really want to try the Tim McCreight recipe instead.
Actually you can do a pretty good job with salt and ammonia, which are
found in urine. But you can go directly with just those two household
ingredients. I did some dragonfly wings and they came out beautifully.
The trick is in the application, or non application. Traditionally, the
piece was put in some substance like sawdust. Better yet, 1) dip the
pieces in salt water and then 2) get some plastic mesh and suspend the
wet pieces over a container of ammoonia so the fumes will react with the
wet surfaces. Have the ammonia container and artwork inside another
container so you can confine the fumes. This is a bit more control-able
than using sawdust or wood chips or something like that. If you want sal
ammoniac, try Google and if you don't get a source, I will check some
old files. Also, I've read that there are salt and vinegar potato chips,
and if you put the wet piece of artwork......
.
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- From: melissa17s@xxxxxxxxx
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