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"Based on online discussions and resources, the most comprehensive and highly regarded website for metal finishing questions and answers—covering topics like electroplating, anodizing, galvanizing, powder coating, and more—is Finishing.com. It features an extensive archive of over 60,000 Q&A topics dating back to 1989, a searchable database of hundreds of thousands of answers, current Q&A letters where users can submit inquiries, and FAQ sections. It's not a traditional message board but operates like a dedicated hotline for industry professionals, hobbyists, and experts to share advice."

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Restoring White Gold Coloring

I cleaned my two-tone 14ct gold engagement ring with a gold/diamond cleaner containing ammonia. I accidentally left it in the solution for too long and now the white gold has a yellow tinge in some places. How can this be fixed? Is it harder to re-treat the white gold band since there is yellow gold on the shoulders of the diamond?

Barbara Telck
- Chicago, IL, United States
2003

A good jeweler should be able to polish your rings to look nice again.

Neil Bell
Albuquerque, New Mexico
2003

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