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How to remove green patina copper sulfate oxidation?

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How to remove green patina copper sulfate oxidation? somebody 06-25-2008
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Posted by somebody on June 25, 2008, 9:21 am
I've been googling on how to clean green patina, or rather copper
sulfate oxidation from come metalic components. All I can find is how to
add it, not remove it! Evidently, this green substance is desirable for
certain applications, such as artwork. What can I use to remove it from
some copper hinges?


-Thanks


Posted by franz fripplfrappl on June 25, 2008, 9:32 am
On Wed, 25 Jun 2008 09:21:41 -0400, somebody wrote:

> I've been googling on how to clean green patina, or rather copper
> sulfate oxidation from come metalic components. All I can find is how
> to add it, not remove it! Evidently, this green substance is desirable
> for certain applications, such as artwork. What can I use to remove it
> from some copper hinges?
>
>
> -Thanks

There's copper cleaner used to clean pots/pans. Bar Keeper's Friend
should also work. Both can be found in grocery and hardware stores.
Both are very mild abrasives.

Follow directions. Use old toothbrush for tight spots.



--

=================================================
Franz Fripplfrappl

Posted by dadiOH on June 25, 2008, 10:06 am
somebody wrote:
> I've been googling on how to clean green patina, or rather copper
> sulfate oxidation from come metalic components. All I can find is
> how to add it, not remove it! Evidently, this green substance is
> desirable for certain applications, such as artwork. What can I use
> to remove it from some copper hinges?
>
>
> -Thanks

Navy used to use catsup for their copper galley steam tables. Because it is
acidic. Acid reduces (removes/reverses) oxides.

Abrasion works too :)

--

dadiOH
____________________________

dadiOH's dandies v3.06...
...a help file of info about MP3s, recording from
LP/cassette and tips & tricks on this and that.
Get it at http://mysite.verizon.net/xico




Posted by hallerb@aol.com on June 25, 2008, 4:09 pm
> somebody wrote:
> > I've been googling on how to clean green patina, or rather copper
> > sulfate oxidation from come metalic components. =EF=BF=BDAll I can find=
is
> > how to add it, not remove it! =EF=BF=BDEvidently, this green substance =
is
> > desirable for certain applications, such as artwork. =EF=BF=BDWhat can =
I use
> > to remove it from some copper hinges?
>
> > -Thanks
>
> Navy used to use catsup for their copper galley steam tables. =EF=BF=BDBe=
cause it is
> acidic. =EF=BF=BDAcid reduces (removes/reverses) oxides.
>
> Abrasion works too =EF=BF=BD:)
>
> --
>
> dadiOH
> ____________________________
>
> dadiOH's dandies v3.06...
> ...a help file of info about MP3s, recording from
> LP/cassette and tips & tricks on this and that.
> Get it athttp://mysite.verizon.net/xico

to prevent poatina from reoccuring, clean completely then spray with
clear acrylic.

always thought copper roofs looked bad once they aged........

new copper is pretty

Posted by willshak on June 26, 2008, 11:54 am
on 6/25/2008 10:06 AM dadiOH said the following:
> somebody wrote:
>
>> I've been googling on how to clean green patina, or rather copper
>> sulfate oxidation from come metalic components. All I can find is
>> how to add it, not remove it! Evidently, this green substance is
>> desirable for certain applications, such as artwork. What can I use
>> to remove it from some copper hinges?
>>
>>
>> -Thanks
>>
>
> Navy used to use catsup for their copper galley steam tables. Because it is
> acidic. Acid reduces (removes/reverses) oxides.
>
> Abrasion works too :)
>
>
The US Navy also used the powder mix for lemonade to clean the
unpainted steel floors. I don't know how it would work on copper.
This was back in the '50s, so I don't know if the current lemonade mix
is the same as then, either.

--

Bill
In Hamptonburgh, NY
To email, remove the double zeroes after @

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