DIY PCB Etching: Colors of Compounds and Helpful Links
UPDATE 11/10/11: Although most of these colors are accurate when dealing with concentrated solutions of salt, some are not (e.g., descriptions of copper (I) and (II) chlorides are mixed up). Take it...
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DIY PCB Etching: Collecting Chlorine Gas (Read: DON’T)
tl;dr: There are much more efficient ways in which to produce chlorine gas than by electrolysis, so stop hoping and go buy some hydrochloric acid. I ultimately did not achieve anything practical by...
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DIY PCB Etching: Not Electrolyzing Salt to Make Cupric Chloride
The tutorials use hydrochloric acid and hydrogen peroxide as the starting etchant not because they aren’t adventurous but because that is what works best (as opposed to using electrolysis). The...
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