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Posted by k on June 25, 2008, 7:06 pm
dilute sulfuric acid - about 5% in water. Be careful, because it tickles
and puts holes in your clothes. Then spray with clear Krylon or some such.
Keith
> 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
>
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Posted by Stormin Mormon on June 27, 2008, 7:16 am
Well, which is it? Copper sulphate is blue. This, I remember. Copper oxide
is black, if memory serves.
Copper oxide and copper sulphate are not the same.
--
Christopher A. Young
Learn more about Jesus
www.lds.org
.
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
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Posted by Norminn on June 27, 2008, 8:08 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
>
>
>
Have you tried copper polish? I've used very fine steel wool to
brighten brass, followed by clear
coat to protect. Worked great on long hinge on an upright piano.
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Posted by hallerb@aol.com on June 27, 2008, 9:15 am
> 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 desir=
able for
> >certain applications, such as artwork. =EF=BF=BDWhat can I use to remove=
it from
> >some copper hinges?
>
> >-Thanks
>
> Have you tried copper polish? =EF=BF=BDI've used very fine steel wool to
> brighten brass, followed by clear
> coat to protect. =EF=BF=BDWorked great on long hinge on an upright piano.
a scotchbrite greenie will polish anything nice, provided its small
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Posted by Norminn on June 27, 2008, 3:50 pm
hallerb@aol.com wrote:
>
>
>>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
>>>
>>>
>>Have you tried copper polish? �I've used very fine steel wool to
>>brighten brass, followed by clear
>>coat to protect. �Worked great on long hinge on an upright piano.
>>
>>
>
>a scotchbrite greenie will polish anything nice, provided its small
>
>
Might scratch copper more than fine steel wool, methinks :o)
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