Philip Bender
25.4K subscribers
16:52
12 liter silver cell maintenance.
Philip Bender
18K views • 5 years ago
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Dueling densities. Underwater vortex of silver nitrate.
Philip Bender
2.9K views • 5 years ago
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Refining scrap 925 sterling silver to %99.999 purity. Part 1
Philip Bender
162K views • 5 years ago
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Making nitric acid for gold and silver refining.
Philip Bender
202K views • 6 years ago
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How to extract and refine gold from old computer parts.
Philip Bender
3.3M views • 6 years ago
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Precipitating gold from aqua regia with sodium metabisulfite.
Philip Bender
9.9K views • 6 years ago
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My crayfish Centor molting
Philip Bender
2.2K views • 7 years ago
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