NanoSIMS (IMAGE)

Washington University in St. Louis

NanoSIMS

Caption

The crucial instrument for the study of solar grains is an ion microprobe, a form of Secondary Ion Mass Spectrometer, or SIMS, that sandblasts material out of the grains and sends the charged debris through a mass spectrometer, which sorts it into elements and their isotopes. Here Ernst Zinner and then doctoral student Ann Nguyen work with the Nano SIMS at Washington University in St. Louis.

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Joe Angeles/WUSTL

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