Electron avalanche desorption: A new soft‐ionization technique for non‐volatile and/or thermally labile molecules | Zendy

Zubarev R. A. | Zendy; Bondarenko P. V. | Zendy; Knysh A. N. | Zendy; Rozynov B. V. | Zendy

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Electron avalanche desorption: A new soft‐ionization technique for non‐volatile and/or thermally labile molecules

Author(s) -

Zubarev R. A.,

Bondarenko P. V.,

Knysh A. N.,

Rozynov B. V.

Publication year - 1991

Publication title -

rapid communications in mass spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.528

H-Index - 136

eISSN - 1097-0231

pISSN - 0951-4198

DOI - 10.1002/rcm.1290050109

Subject(s) - chemistry , desorption , ionization , electron ionization , mass spectrometry , ion , microchannel , field desorption , electron avalanche , ion source , mass spectrum , analytical chemistry (journal) , soft laser desorption , microchannel plate detector , molecule , electron multiplier , electron , chromatography , nanotechnology , organic chemistry , matrix assisted laser desorption/ionization , physics , adsorption , materials science , nuclear physics

A new ionization technique based on a modification of the conventional plasma‐desorption mass spectrometric apparatus is described. An electron avalanche produced by the microchannel plates of a secondary electron multiplier is found to desorb a sufficient amount of (quasi‐)molecular ions of non‐volatile thermally labile molecules. Spectra of several substances with molecular masses up to 1250 u are presented. The mechanism of electron avalanche desorption is now under investigation.

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