Space/Science — HabitableZone

Space/Science » in reply to re: Interesting, thank you (corrected URL)

please keep us updated...

Bob,

I noted your posts about this earlier. The do classify the copper as "back-ground" and I too would like to know why. Note that Ni and Zn are also relative peaks but they are not called background. The Zr-Ka peak is also classified as background. Is this related to the material used on the cutting tool of the rat? Or the brushes? I'll have to review the specs to see thier composition.

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