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ferric chloride?

what is the best ferric chloride constration?

WWC3 years ago
If you can get some for free, that is the best constration.
lemonie3 years ago
I don't think that the winner has been announced yet.

L
verence3 years ago
370g/l @ 20°C

Well, that might not be the best one for what you want to do, but as you don't give the slightest clue, what 'best' means for you, one concentration is as good as any other. And by good, I mean useless.
FoolishSage3 years ago
Best in what way? Cheapest? Safest? Environmentally friendly? Most reactive? Most easily available?

fyi: the word is "concentration". That should make google more productive.