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Jewelry Making - Engraving With Nitric Acid

    https://ezinearticles.com/?Jewelry-Making---Engraving-With-Nitric-Acid&id=4803365
    Nitric Acid works great with brass and copper, not so well with nickel silver/alloy. Prepare your Nitric Acid Bath: Nitric acid is not worth organizing for individual pieces, because it is too toxic. Instead, minimize your usage and exposure by doing lots of jewelry pieces at once.

Gold Refining Purify Process - Jewelry Making Tutorials

    https://www.jewelry-tutorials.com/gold-refining-purify-process.html
    This is a free tutorial on gold recovery method using nitric acid to extract pure gold from old gold and scraps of gold by process of dissolving unwanted metals. When I use this refining method, I regard the purity of the gold as 22kt, and I alloy it accordingly down to 18kt or 14kt.

The chemistry of making nitric acid - Jewelry Discussion ...

    https://orchid.ganoksin.com/t/the-chemistry-of-making-nitric-acid/30409
    Jewelry Discussion. Andrew_Charvoz1 2006-10-26 12:19:11 UTC #1. According to the help page from on ebay, you can make nitric acid by mixing 1/2 cup of sodium nitrate with one quart of sulfuric acid. My question is, will this mixture indeed produce nitric acid? If yes, will it be of a quality you could use, to make aqua regia for ...Estimated Reading Time: 4 mins

Gold Parting using Nitric Acid

    https://www.911metallurgist.com/blog/gold-parting-process-nitric-acid
    Mar 24, 2016 · The process of parting gold with nitric acid is old, and probably dates from the discovery of nitric acid itself; it is one of the simplest parting processes, and does not require a costly plant or much manipulative skill. The main objection to it is the cost of the acid. The operation comprises the preparation of a suitable alloy.Estimated Reading Time: 8 mins

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