Precious Metal Refining & Recovery, Episode 8: DIY Nitric Acid
- 6 лет назад
I refine some more silver using homemade nitric acid. \r
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Ok so maybe a little longer on that 250K video..\r
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Help me make videos by donating here:
\r
Ok so maybe a little longer on that 250K video..\r
\r
Help me make videos by donating here: