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<p>[QUOTE="Suarez, post: 4075894, member: 99239"]Not to be too pedantic but that's not oxidation. Silver doesn't oxidize at room temperature unless very small particles. What you're looking at is the effect of microscopic airborne sulfur which reacts to form the sulfide. Paper, especially cheap paper like you'd find used in coin rolls, is usually the culprit. </p><p><br /></p><p>Chlorine also affects silver staining it pasty white. The usual source here are soft coin flips. The hard brittle ones suck because they break so easily but were specifically made this way to limit use of chlorine.</p><p><br /></p><p>Rasiel[/QUOTE]</p><p><br /></p>
[QUOTE="Suarez, post: 4075894, member: 99239"]Not to be too pedantic but that's not oxidation. Silver doesn't oxidize at room temperature unless very small particles. What you're looking at is the effect of microscopic airborne sulfur which reacts to form the sulfide. Paper, especially cheap paper like you'd find used in coin rolls, is usually the culprit. Chlorine also affects silver staining it pasty white. The usual source here are soft coin flips. The hard brittle ones suck because they break so easily but were specifically made this way to limit use of chlorine. Rasiel[/QUOTE]
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