Difference between revisions of "Project talk:Deactivating a ferric chloride solution"

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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.
-*[http://www.xertech.net/Tech/CuCl_ech.html CuCl etching]
-*[http://members.optusnet.com.au/eseychell/PCB/etching_CuCl/index.html Etching with Air Regenerated Acid Cupric Chloride]
-*[http://tech.groups.yahoo.com/group/Homebrew_PCBs/ Yahoo - Homebrew PCBs]
-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.

Revision as of 12:53, 21 July 2010