Field desorption of sodium acetate studied by combined optical microscopy and mass spectrometry

Optical microscopy combined with field desorption mass spectrometry revealed that NaOAc polycrystals exposed to high positive electric fields disintegrate below the melting point while emitting cations and cluster ions. The sample disintegration started with a field-induced deformation of the origin...

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Bibliographic Details
Published in:International journal of mass spectrometry and ion processes 1988-01, Vol.82 (1), p.55-60
Main Authors: Okuyama, F., Wong, S.S., Röllgen, F.W.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electron and ion emission by liquids and solids
impact phenomena
Exact sciences and technology
Field emission, ionization, evaporation, and desorption
Physics
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Summary:Optical microscopy combined with field desorption mass spectrometry revealed that NaOAc polycrystals exposed to high positive electric fields disintegrate below the melting point while emitting cations and cluster ions. The sample disintegration started with a field-induced deformation of the original sample, which was repeatedly followed by extraction of parts of the sample material. Such a discontinuous sample removal is in contrast to a uniform sample depletion process being characteristic for ion desorption from NaCl and KCl crystals.
ISSN:0168-1176
1873-2801
DOI:10.1016/0168-1176(88)80005-3