Cationization and fragmentation of molecular ions sputtered from polyethylene glycol under gas cluster bombardment: An analysis by MS and MS/MS

International Journal of Mass Spectrometry(2018)

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摘要
•SIMS under Ar cluster ion bombardment.•Emission of cationized and doubly-cationized molecular ions from PEG.•Ratio of doubly- to singly-charged ions increases with molecule size.•MS/MS identification of characteristic reaction pathways.
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关键词
SIMS,Cationization,MS/MS,Cluster bombardment
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