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Old 04-11-2009, 08:33 AM
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Waiting for next electron

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Originally Posted by allan gould View Post
Highly unlikely, there was probably some impurity in the alcohol used. Isopropanol will evaporate with no residue. Remember your coating is NOT aluminium but aluminium oxide, an enert unreactive matrial. Powdered aluminium or even metalic is different.
Allan, I very much doubt the mirror has an AlO3 coating. MgF2 or SiO2 yes.

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