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Pure Gold From an 18k Bracelet 32:45
sreetips
Pure Gold From an 18k Bracelet sreetips

130.3K views - 3 years ago

sreetips demonstrates a unconventional refining process by dissolving an 18K gold bracelet directly in aqua regia without first alloying it with silver. The method includes a double refining process to achieve high purity, followed by melting the resulting metal into a bar.

Pure Gold From My Filter Papers 41:11
sreetips
Pure Gold From My Filter Papers sreetips

147K views - 3 years ago

sreetips demonstrates the process of reclaiming precious metals from used filter papers. The method involves burning the papers, followed by chemical extraction using nitric acid and aqua regia to isolate the metals.