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Multimetalated carboxylates in a filament in‐beam electron impact mass spectrometer
Author(s) -
Matsumoto Kozo,
Kosugi Yoshio,
Yanagisawa Masaaki,
Fujishima Iwao
Publication year - 1980
Publication title -
organic mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.475
H-Index - 121
eISSN - 1096-9888
pISSN - 0030-493X
DOI - 10.1002/oms.1210151203
Subject(s) - carboxylate , ion , mass spectrometry , chemistry , electron ionization , tungsten , protein filament , analytical chemistry (journal) , platinum , beam (structure) , inorganic chemistry , ionization , stereochemistry , physics , organic chemistry , optics , chromatography , biochemistry , catalysis
An in‐beam electron impact mass spectrometer has been modified using a tungsten or platinum filament as an in‐beam probe. With this simple device, metalated organic molecular ion peaks of strong intensities are observed under electron impact conditions. New cluster ions, [(CH 3 CO 2 ) m Li n ] + are detected, where m =3‐6 and n =3, 4. Sodium and potassium acetates give stable dimetalated carboxylate ions, and less stable carboxylate ions are formed from benzoates.

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