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Stop Using Ferric Chloride Etchant! (A Better Etching Solution.) | Electronics projects diy, Electronic schematics, Diy electronics
an electronic circuit board with metal studs on it
instructables.com

Stop Using Ferric Chloride Etchant! (A Better Etching Solution.)

Stop Using Ferric Chloride Etchant! (A Better Etching Solution.): Ferric chloride is a traditional home-use circuit board etchant. It's easy enough to come by, and the Ferric by itself is no big environmental problem. However, once you've etched a board with it, you're left with a solution with a bunch of coppe…
instructables
Instructables

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