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Re: Re: Just what is POT METAL anyways ???
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Posted by D. Bonner on August 18, 2002 at 14:52:39 from (4.63.229.45):
In Reply to: Re: Just what is POT METAL anyways ??? posted by Dean on July 30, 2000 at 08:53:54:
I sm looking for a way to determine whether metal is cast alumimun or pot metal. I think it is cast alumimun, but the scrap metal buyer says it is pot metal. There is a huge difference in the price per pound for the 2 metals. Someone told me to cut into the metal and put silver nitrate in it. If it turns black it is pot metal. Is this true, and where do I get silver nitrate? Thanks
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