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|Forums | Crystal Radio Think Tank ** Advanced Forum | Cleaning high-Q silver plated variable capacitor||Post Reply||Send Topic To a Friend|
|neazoi||Posted - 27 November 2012 14:23 |
Does anyone have any good information about how to clean up these high-Q variable silver-plated ceramic capacitors?
Their plates are not so rusty (silver rarely turns to black) but I would like to clean them even more.
|gzimmer||Posted - 27 November 2012 21:39 |
Lots of articles on google showing how to clean silver plating using baking soda and aluminum foil ...
But I would buy a bottle of one of the propriety silver cleaning solutions...
|neazoi||Posted - 28 November 2012 2:46 |
I have one of these silver cleaning liquids. They do a good job. But after a month or so, the solver plating becomes worst than it was before, much worst. They don't seem to do a good job for once-and-forever cleaning.
|Garry Nichols||Posted - 28 November 2012 6:31 |
Does the blackish silver oxide have to be cleaned off? I thought that it was not a problem.
|gzimmer||Posted - 28 November 2012 8:33 |
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It is the most interesting site have seen in a long time.
Your home-made LEDs are wonderful.
Thanks ..... Zim ........ VK3GJZ
|gzimmer||Posted - 28 November 2012 8:42 |
Yes, I had thought that the Silver tarnish (Silver Sulphide?) was a good insulator and dielectric in the same way that Aluminum Oxide was.
Could be wrong though.
|neazoi||Posted - 28 November 2012 16:46 |
I think that the silver that becomes yellow is superconducting. But when it becomes black this is heavy oxidation.
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