[Amps] DE-OX-IT

[Robert Friess]

American gold coins are about 10% copper and they do not oxidize.

Bob

On Tue, Mar 9, 2010 at 7:29 PM, Bill, W6WRT <dezrat1242 at yahoo.com> wrote:

> ORIGINAL MESSAGE:
>
> On Tue, 9 Mar 2010 13:46:46 -0800, richard courtway
> <courtway at syix.com> wrote:
>
> >Always was under the impression that Gold noes not oxidize ?  May be
> >something else causing the prob.
>
> REPLY:
>
> Pure gold does not oxidize, otherwise gold nuggets a hundred million
> years old would be just oxide. Gold used in electronics however, is
> often alloyed with a few percent copper for strength. That will
> oxidize.
>
> 73, Bill W6WRT
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