----- Original Message ----- From: "YD" <yd_br@...> To: <Homebrew_PCBs@yahoogroups.com> Sent: Thursday, July 03, 2008 1:12 PM Subject: Re: [Homebrew_PCBs] Ferric Chloride - Alternatives > Here are a couple of webpages giving a bit more detail on the reactions: > http://artmondo.net/printworks/articles/ferric.htm > http://www.p-m-services.co.uk/ferric_chloride.htm All I could see is that HCl removes the sludge. Adding ammonia precipitates the iron hydroxide, not HCl. Leon
Message
Re: [Homebrew_PCBs] Ferric Chloride - Alternatives
2008-07-03 by Leon