Project talk:Deactivating a ferric chloride solution: Difference between revisions
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| Ferric Chloride is convenient for small projects, but it is used up and disposal is a pain. An alternative is an etchant that can be regenerated by adding HCl and bubbling air through it.
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| *[http://www.xertech.net/Tech/CuCl_ech.html CuCl etching]
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| *[http://members.optusnet.com.au/eseychell/PCB/etching_CuCl/index.html Etching with Air Regenerated Acid Cupric Chloride]
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| *[http://tech.groups.yahoo.com/group/Homebrew_PCBs/ Yahoo - Homebrew PCBs]
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| I understand from some sources that adding HCl to Ferric Chloride will also regenerate it and eventually the etchant changes to CuCl as above. I don't know how carefully that procedure needs to be managed, or whether it's better to start directly with the CuCl bath.
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Latest revision as of 22:12, 5 February 2011
