On Thu, 08 Sep 2005 08:46:04 +0200, Phil <phil1960us@...> wrote: > lol, if you are trying to remove an FeCl stain, it is no longer "good > clothing". > --- In Homebrew_PCBs@yahoogroups.com, JanRwl@A... wrote: >> >> In a message dated 9/7/2005 3:47:15 P.M. Central Daylight Time, >> a_seychell@y... writes: >> >> I find diluted (1:0) hydrochloric acid removes ferric chloride > stains in >> minutes. Just apply a drop directly to the stain, then rinse. Well, surely better than what i did! I tried to get out a FeCl stain of a pair of jeans using some chlorine (tablet) meant for pool water treatment. Oh well, i still had the FeCl stain, but now i also had a much larger bleached white area around it to highlight it ;-) ST
Message
Re: [Homebrew_PCBs] Re: Ferric Chloride etching questions...
2005-09-08 by Stefan Trethan