[ARC5] Cleaning pins...

[Mike Hanz]

I used to use Tarn-X, but stopped when I noticed that it made the silver tarnish more rapidly.  I looked at a sample under a microscope and discovered that, contrary to the creams that are normally used for silver utensils, the dip stuff etches holes into the surface, sort of a honeycomb appearance.  That increases the surface area open to the atmosphere and accelerates the retarnishing...duh.  Pins would be tough to work on...lots of Q tips... but for things like the tuning coils on the ARC-5 transmitters, the cream treatment will last far longer and doesn't damage the silver surface like a dip.  

-Mike

On Oct 5, 2013, at 6:03 PM, "J. Forster" <jfor at quikus.com> wrote:

> Dip silver cleaner, like Tarn-X, applied w/ a Q-Tip, followed by several
> really good clean water rinses amd a long drying time.
> 
> But, Silver Oxide is conductive, and you don't need to clean the pins.
> 
> -John
> 
> ========================
> 
>> Good afternoon, folks.
>> 
>> I got a very nice MD-7 a while back and just now getting to it.  A simple
>> request:  suggestions for removing tarnish from the connectors.
>> 
>> Thanks & 73,
>> John
>> K5ENQ
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