Ionization by Au+: a new tool for mass spectrometry of volatile organic compounds

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Authors

BEDNAŘÍK Antonín KOKTAVÁ Monika PRYSIAZHNYI Vadym PREISLER Jan

Year of publication 2022
Type Conference abstract
MU Faculty or unit

Faculty of Science

Citation
Description A novel technique for analysis of volatile organic compounds based on chemical ionization using Au+ ions in gas phase was presented. Au+ ions were generated by laser desorption of gold nanolayer in commercial sub-atmospheric (subAP) MALDI/ESI ion source. Volatiles were introduced by ESI capillary and formed predominantly ion-molecule complexes with general composition [Au+2M]+. Sup-ppb sensitivity of the technique was demostrated as well as detection of volatiles from freshly cut vegetables.
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