Philip Bender
25.2K subscribers
16:52
12 liter silver cell maintenance.
Philip Bender
17K views • 5 years ago
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Dueling densities. Underwater vortex of silver nitrate.
Philip Bender
2.8K views • 5 years ago
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Refining scrap 925 sterling silver to %99.999 purity. Part 1
Philip Bender
157K views • 5 years ago
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Making nitric acid for gold and silver refining.
Philip Bender
194K views • 5 years ago
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How to extract and refine gold from old computer parts.
Philip Bender
3.3M views • 5 years ago
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Precipitating gold from aqua regia with sodium metabisulfite.
Philip Bender
8.8K views • 5 years ago
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My crayfish Centor molting
Philip Bender
2.2K views • 7 years ago
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