Trace Element Analysis of Potassium by Resonance Ionization Mass Spectrometry

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概要

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• A simple resonance ionization mass spectrometer is built with a quadrupole mass spectrometer (QMS) and two laser diodes aiming at trace analysis of potassium. The overall detection efficiency is estimated comparing the yields of resonance ionization and electron-impact ionization in the same QMS. A clear discrimination of 39K, 40K, and 41K is demonstrated with a help of isotope shifts of the atomic levels.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2009-07-25

著者

• Minowa Makoto

  Department of Physics, School of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033

• Iwata Yoshihiro

  Department of Physics, School of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033

• Inoue Yoshizumi

  International Center for Elementary Particle Physics (ICEPP), University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033

関連論文

• Trace Element Analysis of Potassium by Resonance Ionization Mass Spectrometry

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