Image Details
Caption: Figure 1.
Reflectron time-of-flight mass spectra of Ada+ formed by EI at 50 eV. (a) Mass spectrum of the ion source. (b) Mass spectrum of the ion source with mass selection of Ada+ using the QMS. (c), (d) EPD mass spectra of Ada+ obtained at 675 and 345 nm. The mass spectra in (b)–(d) are multiplied by 21 and 30 to show the weak peaks.
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