We have a small mystery.In a vacuum chamber with an ion pump, the researchers recently experienced having all the open copper surfaces coated with a black solidThey had recently introduced AgSe (solid) to the chamber which also contained AgIOne opinion is that the chamber experienced an ion discharge which oxidized the copper to copper oxideHave you-all had this experience before?Ideas?Thanks,-RussRussell Vernon, Ph.D.DirectorEnvironmental Health & SafetyUniversity of California, Riverside900 University AveRiverside, CA 92521Direct (951) 827-5119Admin (951) 827-5528Fax (951) 827-5122
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