[meteorite-list] Issue with etching via ferric choride

[countdeiro at 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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