[meteorite-list] Issue with etching via ferric choride

[Thomas Webb]

Count,
Yes.  It's ferric chloride and works fine.
Thomas



--- On Thu, 10/29/09, countdeiro at earthlink.net <countdeiro at earthlink.net> wrote:

> From: countdeiro at earthlink.net <countdeiro at earthlink.net>
> Subject: Re: [meteorite-list] Issue with etching via ferric choride
> To: "Meteorites USA" <eric at meteoritesusa.com>, "R N Hartman" <rhartman04 at earthlink.net>
> Cc: mccartney at blackbearddata.com, "MeteoriteList" <meteorite-list at meteoritecentral.com>
> Date: Thursday, October 29, 2009, 8:27 PM
> Hi List,
> 
> Anyone have any experience using Radio Shack circuit board
> etching solution?
> 
> Count Deiro
> 
> -----Original Message-----
> >From: Meteorites USA <eric at meteoritesusa.com>
> >Sent: Oct 29, 2009 8:04 PM
> >To: R N Hartman <rhartman04 at earthlink.net>
> >Cc: mccartney at blackbearddata.com,
> MeteoriteList <meteorite-list at meteoritecentral.com>
> >Subject: Re: [meteorite-list] Issue with etching via
> ferric choride
> >
> >Hi McCartney, Ron, Listees,
> >
> >This might actually be a good topic for an article on
> the new Meteorite 
> >Wiki. Perhaps an experienced and generous person would
> be willing to 
> >extend the time to write an extensive and detailed
> article on it 
> >including information on preservation and
> stabilization. I'm sure others 
> >would love to learn the process. I would be will to add
> a few of my 
> >photos to the document and release them into the public
> domain for all 
> >use. What do you think?
> >
> >Regards,
> >Eric Wichman
> >Meteorites USA
> >
> >
> >
> >
> >
> >R N Hartman wrote:
> >> Hello McCartney (and all):
> >>
> >> Yes,  the etch happens very quickly and you
> need to terminate it by a 
> >> quick wash under running water.  Follow with
> a rinse in distilled 
> >> water if you want to but we never do and it works
> fine.  You don;t 
> >> have to neutralize it, just wash it off VERY
> FAST.  In fact, I use 
> >> running water to slow down the process as I am
> doing it, especially if 
> >> I need to etch one section of a surface more.
> There is a bit of a 
> >> technique - just practice and you will do
> well.  If yo are getting 
> >> staining your washing is incomplete.
> >>
> >> Ron Hartman
> >>
> >> ----- Original Message ----- From: "McCartney
> Taylor" 
> >> <mccartney at blackbearddata.com>
> >> To: "MeteoriteList" <meteorite-list at meteoritecentral.com>
> >> Sent: Thursday, October 29, 2009 2:58 PM
> >> Subject: [meteorite-list] Issue with etching via
> ferric choride
> >>
> >>
> >>> Having a bit of a problem on some etch jobs
> and having to re-etch a few
> >>> specimens.
> >>>
> >>> How do you rinse/neutralize your ferric after
> the etch?  I'm getting
> >>> remnant staining and sometimes corrosion. I'm
> doing something wrong.
> >>>
> >>> Any ideas?
> >>>
> >>> -mt
> >>>
> >>>
> >>>
> >>>
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> >>
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> >
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