Structural characterization of polyethers using matrix-assisted laser desorption/ionization quadrupole ion trap time-of-flight mass spectrometry.

Abstract

Fragmentation of polyethers, such as poly(ethylene glycol) (PEG), poly(propylene glycol) and poly(tetramethylene glycol) was analyzed by matrix-assisted laser desorption/ionization tandem mass spectrometry (MALDI-MS/MS) using a quadrupole ion trap time-of-flight mass spectrometer (QIT-ToF). The Li adduct ion provided more abundant fragments than the Na and… (More)

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