| Construction of a Palmtop Size Multi-Turn Time-of-Flight Mass Spectrometer “MULTUM-S” |
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Department of Physics, Graduate School of Science, Osaka University, Toyonaka, OSAKA, JAPAN |
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| A small multi-turn time-of-flight (TOF) mass spectrometer “MULTUM-S” was constructed, whose basic ion optical design was half that of the multi-turn TOF mass spectrometer “MULTUM II,” which consists of four toroidal electric sectors. Two additional electric sectors were introduced to inject and eject ions. The size of the analyzer was 20×20 cm. It was demonstrated that the mass resolution increased with the number of ion cycles in the multi-turn part, and a resolution of 4800 was obtained for electron ionization (EI), which generated xenon ions after 11 cycles. | ||
| Key words: Multi-turn time-of-flight mass spectrometer, High resolution, Mobile | ||
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