Laser multiphoton ionization in a time-of-flight mass spectrometer: vibronic/mass spectra of triethylenediamine from 425 to 560 nm

Suppression of metastable interference i

Suppression of metastable interference in matrix-assisted laser desorption/ionization (MALDI) spectra in a reflecting time-of-flight mass spectrometer

✍ Werner Ens; Victor Spicer; Kenneth G. Standing; Jie Zhou 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 469 KB

## Metastable interference in matrix -assisted laser desorption/ionization (MALDI) spectra is reduced by modulating the accelerating potential (by < -100 V) on alternate laser shots. Both parent and daughter ions are reflected on every second shot but only daughter ions are reflected on the next s