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<p>[QUOTE=&quot;Robidoux Pass, post: 3856113, member: 96691&quot;]There is much advice on CT to use covered glass or steel containers when soaking coins in acetone.&nbsp; For some 20 years, I have used two small &quot;plastic&quot; trays for the final acetone rinses.&nbsp; I had purchased these from a dealer in coin collector supplies but after all these years do not remember the material. I have not seen any degradation of the trays from the acetone over all these years.</p><p><br /></p><p>That has given me the idea to use some of the &quot;plastic&quot; prescription containers for acetone soaks.&nbsp; I suspected that material to store medicines would be quite inert to most chemicals.&nbsp; They have relatively tight caps to reduce the evaporation of the acetone.&nbsp; Their small diameter means that only a minimum of fluid is needed. Some of the larger ones will even accommodate a crown size coin, but again with a minimum of excess acetone needed. And I use the clear ones so that I&#039;m able to see the coin inside soaking. I first tested a container by placing only acetone in it for several days and did not visually notice any adverse effects on the container.&nbsp; I have since done the same with coins in the acetone -- again with no visually adverse effects.</p><p><br /></p><p>What do the knowledgable users of acetone say?&nbsp; Perhaps some of the chemists on CT can contribute?[/QUOTE]</p><p><br /></p>

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