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My Understanding (Flawed?) of Cleaning a Coin by Dipping
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<p>[QUOTE="Conder101, post: 1434895, member: 66"]W White has run tests that show that repeated dipping does eventually result in a detectable reduction in the weight so some of the silver is carried off.</p><p><br /></p><p>Also when the silver sulfide is disassociated the sulfur does combine with the H+ to form Hydrogen Sulfide, but some of the Ag+ ions also go into solution. That's why if you dp a bunch of silver coins and then dip a copper coin in the same solution it is possible to deposit a thin silver wash on the copper coin.[/QUOTE]</p><p><br /></p>
[QUOTE="Conder101, post: 1434895, member: 66"]W White has run tests that show that repeated dipping does eventually result in a detectable reduction in the weight so some of the silver is carried off. Also when the silver sulfide is disassociated the sulfur does combine with the H+ to form Hydrogen Sulfide, but some of the Ag+ ions also go into solution. That's why if you dp a bunch of silver coins and then dip a copper coin in the same solution it is possible to deposit a thin silver wash on the copper coin.[/QUOTE]
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My Understanding (Flawed?) of Cleaning a Coin by Dipping
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