| 摘要 |
A mass analysis apparatus is provided. The mass analysis apparatus is capable of performing a plurality of measurements in parallel by mounting a plurality of ion sources onto one mass spectrometer and speedily switching the ion sources. In a mass analysis apparatus for performing mass analysis by introducing ions produced in an ion source into a mass spectrometer, the mass analysis apparatus comprises a plurality of ion sources; and a deflecting means for deflecting ions from at least one ion source among the plurality of ion sources so that the ions travel toward the mass spectrometer by producing an electric field. In an LC/MS, a GC/MS, a plasma ionization MS or the like which comprises a plurality of ion sources, it is possible to perform mass analysis while the plurality of ion sources are being operated.
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