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----- 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