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topic 2421

safer etching of silver?


I am currently looking for information on the use of Ferric Nitrate as an alternative to Nitric acid when etching silver.

I believe Ferric Nitrate is already used for the industrial etching of silver and wish to evaluate the possible benefits of using it in a small scale studio (for prototyping etc.) situation where cramped conditions and lack of adequate ventilation make using Nitric very hazardous.

Info. about additives, reaction rates, and in particular by-products (subsequent hazards, and disposal requirements) would be of great use.



Dean Wilson

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