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Join date: Oct 10, 2018
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Jan 8, 2023 ∙ 4 min
Learn How to test Karat gold with touchstone and acid
Are you interested in learning how to authenticate and determine the purity of gold and silver jewelry? Look no further! In this...
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Scrap Silver Refining - The Chloride Method
With the Silver Chloride (AgCl) method, Silver can be refined in a batch-wise process to a very high degree of purity (999-9999) with...
Recovery & Refining of Precious Metals
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