Quote:
Originally Posted by Crist Rigott
I cleaned the chassis, yoke support, tuner, etc to get rid of the cad plating. I read somewhere that simple Green works great. It does!
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Vinegar works well too. You didn't remove the cadmium plating (unless the Brasso polishing did) - you removed the chromate salts they used to passivate the cadmium onto the steel, or cadmium sulfide/sulfate - both are yellowish green. If there was one thing Navy Corrosion Control taught me, it was that Chromate salts are always a yellowish green, and that raw cadmium corrodes to a grey powder.
The yellow-green patina is harmless to electronics undisturbed, but the chromate is toxic, so removing it from something handled so often was wise. We used to spray Humiseal on just-cleaned CADPLAD chassis to keep it from corroding - spray clear krylon (remove tubes and cover sockets!) works well.
Just dispose of your simple green rags in the trash - the concentration doesn't rise to hazmat levels.