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<p>[QUOTE="Kentucky, post: 2844560, member: 33176"]Hi...my name is Carl and I am a coin cleaning junkie. Welllllllllll, semi kind of. A dip is normally used for silver coins that are uncirculated or close to uncirculated that have tarnish that is unattractive (as opposed to desirable "toning"). The most common dip is based on thiourea-sulfuric acid and will change the silver sulfide back to metallic silver (with no guarantee that it will stick to the silver already there). Used judiciously and carefully, it can have wondrous results. Incorrectly used, it can create abominations.[/QUOTE]</p><p><br /></p>
[QUOTE="Kentucky, post: 2844560, member: 33176"]Hi...my name is Carl and I am a coin cleaning junkie. Welllllllllll, semi kind of. A dip is normally used for silver coins that are uncirculated or close to uncirculated that have tarnish that is unattractive (as opposed to desirable "toning"). The most common dip is based on thiourea-sulfuric acid and will change the silver sulfide back to metallic silver (with no guarantee that it will stick to the silver already there). Used judiciously and carefully, it can have wondrous results. Incorrectly used, it can create abominations.[/QUOTE]
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