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Re: [Amps] DE-OX-IT

To: <dezrat1242@yahoo.com>, <Amps@contesting.com>
Subject: Re: [Amps] DE-OX-IT
From: "Jim Carr" <n7fcf@hctc.com>
Date: Wed, 10 Mar 2010 00:22:00 -0800
List-post: <amps@contesting.com">mailto:amps@contesting.com>
can you burnish gold contacts? 40 years ago at Motorola we used a special 
burnishing blade that fit in an exacto knife handle. But they were 
bifurcated contacts.
Jim
----- Original Message ----- 
From: "Bill, W6WRT" <dezrat1242@yahoo.com>
To: <Amps@contesting.com>
Sent: Tuesday, March 09, 2010 8:06 PM
Subject: Re: [Amps] DE-OX-IT


> ORIGINAL MESSAGE:
>
> On Tue, 9 Mar 2010 19:31:55 -0800, Robert Friess <rfriess@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
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps


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