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<p>[QUOTE="GDJMSP, post: 2654913, member: 112"]No Thad I didn't contradict myself at all. Yes, when rinsed some water does stick to the surface of the coin. But when you rinse a coin in acetone some acetone sticks to the surface too. The point you are leaving out, forgetting, is that BOTH water and acetone completely evaporate from the surface of the coin, The only difference is the time factor, acetone evaporates more quickly. </p><p><br /></p><p>Once that evaporation has happened the moisture level on the surface of the coin, whether it was rinsed in water or acetone, returns to exactly the same level. And that level is determined by whatever the humidity in the air at that place and time happens to be.</p><p><br /></p><p>And yeah, immediately putting the coin in an Air-Tite, or any other coin holder, might slow things down a bit, but that's all it will do - slow things down a bit. That's because no coin holder is airtight. So, within merely a matter of hours, the moisture level on the surface of the coin will be exactly the same, no matter if the coin was final rinsed in acetone, or water.</p><p><br /></p><p>Now, about that haze that you say the water "rehydrates" and just makes it invisible because it has been rehydrated, but does not remove it. If that were true, then once all the water had evaporated off the coin, the haze should return and be visible once again. But that is not the case, the water rinses it away and it stays gone, even after the coin has completely dried.[/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 2654913, member: 112"]No Thad I didn't contradict myself at all. Yes, when rinsed some water does stick to the surface of the coin. But when you rinse a coin in acetone some acetone sticks to the surface too. The point you are leaving out, forgetting, is that BOTH water and acetone completely evaporate from the surface of the coin, The only difference is the time factor, acetone evaporates more quickly. Once that evaporation has happened the moisture level on the surface of the coin, whether it was rinsed in water or acetone, returns to exactly the same level. And that level is determined by whatever the humidity in the air at that place and time happens to be. And yeah, immediately putting the coin in an Air-Tite, or any other coin holder, might slow things down a bit, but that's all it will do - slow things down a bit. That's because no coin holder is airtight. So, within merely a matter of hours, the moisture level on the surface of the coin will be exactly the same, no matter if the coin was final rinsed in acetone, or water. Now, about that haze that you say the water "rehydrates" and just makes it invisible because it has been rehydrated, but does not remove it. If that were true, then once all the water had evaporated off the coin, the haze should return and be visible once again. But that is not the case, the water rinses it away and it stays gone, even after the coin has completely dried.[/QUOTE]
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Proper acetone procedure
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