[Amps] DE-OX-IT

[Bill, W6WRT]

ORIGINAL MESSAGE:

On Tue, 9 Mar 2010 19:31:55 -0800, Robert Friess <rfriess at usa.net>
wrote:

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

REPLY:

Don't know about coins, but the gold used on contacts does develop
some kind of film over time. I assume it is copper oxide but that's
just a guess. Whatever it is, removing it brightens up the gold and
restores conductivity. 

73, Bill W6WRT