Iron chlorides yes, plural!
To: Aquatic-Plants at actwin_com
Subject: Iron chlorides yes, plural!
From: psears at emr_ca (Paul Sears)
Date: Fri, 8 Mar 1996 08:28:54 -0500 (EST)
In-Reply-To: <199603072300.SAA20181 at looney_actwin.com> from "Aquatic-Plants-Owner at ActWin_com" at Mar 7, 96 06:00:41 pm
> From: eis at alto1_altonet.com (Paul Nicholson)
> Date: Thu, 7 Mar 1996 13:57:13 -0800
> Subject: iron chloride
> iron chloride
> Ferrous-cloride, yes I bought five gallons of the stuff over 20 years ago
> for etching circuit boards and I've been hanging onto the remaining two
> gallons for years because I don't want to dump it down the drain (It's not
> used in the PC board business any more). If any body wants to trade some
> plants for FeCl drop a line.
> Paul Nicholson Electronic Imaging Systems, Inc.
> eis at altonet_com 5148 Commerce Avenue, Unit F
_Ferric_ chloride was used to etch ptinted circuit boards,
because it does dissolve copper:
2Fe+++ + Cu -> 2Fe++ + Cu++
It gets reduced to the ferrous form in the process. Ferric
chloride is FeCl3, not FeCl.
Paul Sears Ottawa, Canada