> excuse me rhod, but i cant make the preparations described in your faq.
Then what's the point in asking these questions?
> the commercial sources on internet have outrageous prices.
Get used to it, it worked for me. At my workplace regular platinum metal is considered a cheap material, and I don't even bother anymore when I waste 200mg of it and end up pouring it down the drain. Then again I don't need to pay it out of my own pocket.
> i read palladium (black is the one i want) can be found otc at "local
> car wreckers', electronic stores, bullions dealers...
Palladium black cannot be found OTC. It needs to be prepared from regular palladium metal or palladium compounds.