We have a small mystery.
In a vacuum chamber with an ion pump, the researchers recently experienced having all the open copper surfaces coate d with a black solid
They had recently introduced AgSe (solid) to the chamber which also contained AgI
One opinion is that the chamber experienc ed an ion discharge which oxidized the copper to copper oxide
Have you-all had this experience before?
Russell Vernon, Ph. D.
Environmental Health & amp; Safety
University of Californ ia, Riverside
900 University Ave
Riverside, CA 92521
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