[meteorite-list] Issue with etching via ferric choride

From: countdeiro at earthlink.net <countdeiro_at_meteoritecentral.com>
Date: Thu, 29 Oct 2009 20:27:05 -0400 (EDT)
Message-ID: <14125384.1256862425257.JavaMail.root_at_wamui-haziran.atl.sa.earthlink.net>

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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Received on Thu 29 Oct 2009 08:27:05 PM PDT