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Removing Green Copper Corrosion

I've been collecting some antique copper pieces and want to know if there is a way to remove the green copper corrosion without removing the patina?

George Borchers
Hobbyist - Bothell, Washington, US
2004

Try to find nearest conservation lab, or you can visit Conservation OnLine web site(http://palimpsest.stanford.edu/!

Goran Budija
- Cerovski vrh Croatia
2004

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