Turning old jewelry into pure gold bars

A few months ago, one of my patrons sent me a bunch of old gold jewelry for me to refine. I originally thought that it was going to just be some gold plated stuff, but it turned out to be quite a bit of gold. I was able to purify out all of the gold and then melt them down into some small 24K pure gold bars.

Procedure references:
• Paint can idea: https://youtu.be/2bTesd75Wic
• indeedItdoes: https://youtu.be/1gjJNZtrUHo
• CodysLab: https://www.youtube.com/user/theCodyReeder (Both the main procedure and the silver recovery. I can't find the video where he recovered the silver from the chloride though.)

Follow-up video on my second channel NileBlue: https://youtu.be/NuYDQtev1bE

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Nile talks about lab safety: https://youtu.be/ftACSEJ6DZA

Chapters:
00:00 - Where I Got The Jewelry
00:54 - Inspecting The Jewelry
01:45 - Testing The Jewelry: How Pure is It?
04:33 - Purifying The Gold: Run 1
20:26 - Purifying The Gold: Run 2
22:37 - Combining All of The Gold
24:02 - One Big Chunk of Gold
24:48 - Pure Gold vs Hammer
26:44 - Making Pure Gold Bars
28:11 - Official Purity Test
29:33 - Final Result

Music in credits (Walker by SORRYSINES): https://soundcloud.com/sorrysines/walker