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Ted Mooney, P.E. RET
Pine Beach, NJ
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for Metal Finishing since 1989
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Cannot clean copper roses
Hello, my name is Brenda. I am an artist who makes roses out of copper... The problem I am running into is the discoloration caused by using a torch to braze the petals onto the stem. I cannot seem to get the oxidization off enough to patina the rose, I would rather not use any real caustic chemicals, and my Dremel
⇦ this on
eBay or
Amazon [affil links] only goes so far in cleaning them due to the arrangement of the petals. Can any body give me some ideas? Thank you so much.
artist - Portland, Oregon, USA
April 17, 2011
Try hot solution (80° C) of 47,5 gms citric acid ⇦ this on eBay or Amazon [affil links] /47,5 gms sodium gluconate/5 gms tartaric acid ⇦ this on eBay or Amazon [affil links] /1-5 lit water.Hope it helps and good luck. vinegar ⇦in bulk on eBay or Amazon [affil links] and peroxide mix can be used too. Hope it helps and good luck.
Goran Budija- Cerovski vrh Croatia
April 22, 2011
Very good article on peroxide based pickling solutions for jewelers - users.lmi.net/~drewid/PWR_Pickles.html
Hope it helps and good luck!
- Cerovski vrh Croatia
April 26, 2011
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