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Is there a way to remove corrosion off electronic components?

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coppercone2:

--- Quote from: Refrigerator on May 20, 2023, 07:22:00 pm ---
--- Quote from: DavidAlfa on May 17, 2023, 03:55:55 pm ---Did copper chloride fully clean the black tin oxide or was it just "good enough"?

About 2 months ago I had to refurb a Tek TG501, everything was badly oxidized, see attached pictures.

Not wanting to take unnecesary risks as lots of parts were unobtanium, I replaced every socket and brushed all the ics by hand.

--- End quote ---
The leads take solder like new.
Although they don't look like bare copper, more like grey-ish brown.
At first i thought they were still corroded because the leads looked dark but they take solder perfectly well.

--- End quote ---

try putting it in the ultrasonic with alnox, I found it makes things shiny

like metal transistors that look old look newer, and unused solder/crimp connectors too (i.e. spare blades on a connector).

A few times I though "holy shit, how the FUCK am I  gonna get all this looking decent" but I am pleasantly surprised after the ultrasonic to only a few patches being bad, which I can hit with neverdull or something. But beware ink disappearing.

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