Journal article
MALDI PSD of low molecular weight ethoxylated polymers
International journal of mass spectrometry, v 238(3), pp 257-264
2004
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Abstract
Matrix-assisted laser desorption/ionization (MALDI) mass spectrometry has become an important technique to characterize the chemical structure of industrial polymer materials. MALDI methods have been developed to address a broad variety of different polymer materials, containing different chemistries. One of the key aspects of the typical MALDI experiment is the generation of intact molecular ions. The development of MALDI post-source decay (PSD) techniques has opened a new method to obtain chemical structure information from MALDI experiments. PSD provides an accessible MALDI MS/MS experiment that can be done on most commercial time-of-flight (TOF) reflectron instruments. MALDI PSD techniques have been successfully applied to a variety of synthetic polymers. This work explores the applicability of MALDI PSD methods to relatively low molecular weight ethoxylated surfactants. In these experiments, we show the PSD fragmentation mass spectra of some ethoxylated surfactants, explore the mechanisms for the fragmentations, investigate the effect of different alkali cations, and compare the fragments from isobaric surfactant molecules.
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Details
- Title
- MALDI PSD of low molecular weight ethoxylated polymers
- Creators
- Scott D. Hanton - Air Products & ChemicalsDavid M. Parees - Air Products & ChemicalsKevin G. Owens - Drexel University
- Publication Details
- International journal of mass spectrometry, v 238(3), pp 257-264
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Chemistry
- Web of Science ID
- WOS:000225740000007
- Scopus ID
- 2-s2.0-9644252933
- Other Identifier
- 991019168243504721
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- Collaboration types
- Industry collaboration
- Domestic collaboration
- Web of Science research areas
- Physics, Atomic, Molecular & Chemical
- Spectroscopy