Turning old jewelry into pure gold bars

Follow-up video on NileBlue (my second channel):    • Cleaning up my gold waste  

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:    • Home Made Propane Furnace. Easy DIY. ...  
• indeedItdoes:    • How to Refine Gold Jewellery - Inquar...  
• CodysLab: 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.)

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Nile talks about lab safety:    • Chemistry is dangerous.  

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): soundcloud.com/sorrysines/walker