I run into this all the time because some of my tinned boards sit around a
while before they're populated. Rub a piece of 1500 to 2000 grit paper
across them and the solder will jump on 'em.
Phil C. Sr.
k4dpk
----- Original Message -----
From: "Charles P. Steinmetz" <charles_steinmetz@lavabit.com>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Sunday, July 15, 2012 9:59 PM
Subject: Re: [TenTec] Soldering oxidized circuit cards
> Richards wrote:
>
>>SO... WHAT DO I USE TO PREPARE A NEW CIRCUIT BOARD, SUCH AS FOUND IN
>>A TEN-TEC RADIO KIT? It seems like the boards don't wanna take
>>solder so I figure they have oxidized just a bit in the package
>>before reaching my work bench.
>
> The most painless way is dunk it in Tarn-X tarnish remover (available
> at many grocery stores):
>
> http://www.jelmar.com/TarnXbasic.htm
>
> Rinse very well and dry thoroughly. An eraser also works, as do
> other tarnish removers/silver cleaners.
>
> Best regards,
>
> Charles
>
>
>
>
>
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