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<p>[QUOTE="Muhammad Niazi, post: 5147083, member: 83232"]So as far as ive gathered, sodium thiosulfate is an option. </p><p>The horn silver doesnt seem to be of the host coin but due to adjacent hoard coins. </p><p><br /></p><p>Some of the horn silver does chip of with toothpicks, but the toothpick is sacrificed in the process and doesnt seem efficient. </p><p>A metal safety pin does do short work of it but Id rather not risk rubbing off details.</p><p><br /></p><p>I read about the use of EDTA to chelate the AgCl, but placing some of the flakes in a 5% solution for 24hrs did not do ay visible change to it. (However it did clean up a mule copper i had lying around, making a nice aqua solution and removing most of the BD)</p><p><br /></p><p> [ATTACH=full]1208125[/ATTACH]</p><p><br /></p><p>Totally unrelated but it looked pretty </p><p>[ATTACH=full]1208124[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="Muhammad Niazi, post: 5147083, member: 83232"]So as far as ive gathered, sodium thiosulfate is an option. The horn silver doesnt seem to be of the host coin but due to adjacent hoard coins. Some of the horn silver does chip of with toothpicks, but the toothpick is sacrificed in the process and doesnt seem efficient. A metal safety pin does do short work of it but Id rather not risk rubbing off details. I read about the use of EDTA to chelate the AgCl, but placing some of the flakes in a 5% solution for 24hrs did not do ay visible change to it. (However it did clean up a mule copper i had lying around, making a nice aqua solution and removing most of the BD) [ATTACH=full]1208125[/ATTACH] Totally unrelated but it looked pretty [ATTACH=full]1208124[/ATTACH][/QUOTE]
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