Abstract.
We examined the application of mass spectrometric methods using resonant ionization by a tunable laser and proposed its use for analyzing hydrogen isotopes. We conducted resonance ionization mass spectrometry (RIMS) to detect gas-phase hydrogen isotope atoms. The ionization efficiency was increased by more than 1000 times that obtained with conventional methods using nonresonant ionization. Resonant laser ablation mass spectrometry (RLAMS) was applied for deuterium detection in solid samples. A graphite substrate implanted with deuterium was used for ordinary laser ablation mass spectrometry (LAMS) and RLAMS. The deuterium signal was observed very clearly by RLAMS, in contrast to LAMS. Mass spectrometry combined with resonance ionization was very useful for hydrogen isotope detection, because components with equal mass numbers were resolved and the method demonstrated higher ionization efficiency.
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Received: 4 November 1998 / Revised version: 12 January 1999 / Published online: 7 April 1999
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Yorozu, M., Okada, Y. & Endo, A. Detection of hydrogen isotope atoms by mass spectrometry combined with resonant ionization. Appl Phys B 69, 129–132 (1999). https://doi.org/10.1007/s003400050784
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DOI: https://doi.org/10.1007/s003400050784