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Originally Posted by funbun
brass barbs which is copper and nickle
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Hmmm... I had
thought that brass was a copper-
zinc alloy...
So... the "original", if it's OK for alu systems, even though it's brown is probably not copper? From my experience, when you get an electrolytic circuit with copper and aluminum, it's the aluminum that erodes.
Every so often I feel bad about having skipped chem (wasn't a way in my HS to get both adv. physics and chem - and graduate with everyone else. I've gotten back to chem books in the past, but only carbon chem (for bio-stuff).