[R-390] Re: corroded tube pins

[Bruce Hagen]

And you do not have to waste the Cola. When the tube pins are clean pour
into a glass with ice and add enough 180 proof rum to sanitize and flavor.
Yes, I agree that coke will probably clean the pins. It's a very mild dose
of phosphoric acid.

Bruce

-----Original Message-----
From: r-390-bounces at mailman.qth.net [mailto:r-390-bounces at mailman.qth.net]On
Behalf Of DQ
Sent: Wednesday, December 21, 2005 3:09 PM
To: r-390 at mailman.qth.net
Subject: [R-390] Re: corroded tube pins

This offered as a possible 'wives tale' solution and NOT from a
scientific viewpoint. I'm hesitant to offer this, and I hope I'm
not making myself appear foolish by posting.

You might also try bundling them together with a heavy rubber
band and then standing them up in a shallow pan with Coca-Cola
in it. My wife has used this trick on various things over the
years without harming the base object. I have also seen
something on TV about it. As I recall it has to do with a very
mild acid contained in the Coke formula.

~ Quig ~

--- Dan Merz <mdmerz at verizon.net> wrote:

> Scott,  I suggest shoving them in and out of a loose tube
> socket a few
> times,  applying a little deoxit to the tube socket and
> putting one in the
> deoxit laden tube socket and taking it out and testing it on a
> tube tester.
> If it tests ok,  that may be all that's necessary.  If the
> pins are so badly
> corroded that the vacuum is compromised,  you'll know right
> away.  Good
> luck, regards,  Dan.
>
> -----Original Message-----
> From: r-390-bounces at mailman.qth.net
> [mailto:r-390-bounces at mailman.qth.net]
> On Behalf Of Scott Bauer
> Sent: Wednesday, December 21, 2005 7:06 AM
> To: R390 List
> Subject: [R-390] corroded tube pins
>
>  I bought some " NOS " OA2's on ebay. I know, you get what you
> pay for.
> Anyway, every pin on every tube is heavily corroded. Usually,
> I scrape them
> off but I bought 11 of them and was hoping for an easier
> solution.
>
>  I wonder if there is any type of solution one could soak the
> pins in to
> remove the corrosion?  Baking soda and water ?
>
>  Thanks, Scott
>
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