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<p>[QUOTE=&quot;Kevin Mader, post: 8325588, member: 106826&quot;]I think those are reasonable definitions.&nbsp; I have never left a coin in Verdicare to see if it affects the coin&#039;s surface, but long enough to neutralize the organic activity.&nbsp; So undecided if that shifts from conserving to cleaning.&nbsp; MS70 seems to fit your cleaning definition...yet I hear that it&#039;s an acceptable solution for conservation and the TPG&#039;s won&#039;t gig folks for it.&nbsp; Not sure that is the case either, but seems like acetone and DI water are the conservative tools to use.</p><p><br /></p><p>Our fellow Ancient&#039;s Collectors might have some wisdom to share.[/QUOTE]</p><p><br /></p>

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