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Cleaning oxidized zinc intaglio plates





I bought some zinc plates for a reduced price for my printmaking studio. They are oxidized and I would like to know how to clean them. The seller suggested TSP (trisodium phosphate ⇦ on eBay or Amazon [affil link] ) and I'm willing to try cleaning one as a test but it would be nice if there's someone out there who knows for sure. Thanks so much.

Laurie Schmidt
Painter and budding printmaker - Columbus, Ohio
2007


You can use 5% sulfuric acid(or in 5% EDTA,pH7),after treatment rinse it well(for best results first rinse it in 5% sodium bicarbonate solution(baking soda [in bulk on eBay or Amazon [affil link] ), then in water). Hope it helps and good luck!

Goran Budija
- Cerovski vrh Croatia
2007




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