4 ms·
Supposedly, you can substitute ferric chloride with hydrogen peroxide and muriatic acid: http://www.instructables.com/id/Stop-using-Ferric-Chloride-etchant!--A-
by ph0rque 18y ago
Supposedly, you can substitute ferric chloride with hydrogen peroxide and muriatic acid: http://www.instructables.com/id/Stop-using-Ferric-Chloride-etchant!--A-better-etc/ http://www.instructables.com/id/Stop-using-Ferric-Chloride-e...
- kragen 18y agoWhen I read your comment, I thought, “Holy shit, he wants to use H₂O₂ because FeCl₃ is dangerous? Talk about ‘out of the frying pan, into the fire!’” but the Instructable you linked to just uses the standard 3% H₂O₂ USP solution, which isn't particularly dangerous.