Fast polymer fingerprinting using flowing afterglow atmospheric pressure glow discharge mass spectrometry

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Author(s) Jecklin, Matthias C., Gamez, Gerardo, Zenobi, Renato
Publication Type Journal Items, Publication Status: Published
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Title Fast polymer fingerprinting using flowing afterglow atmospheric pressure glow discharge mass spectrometry
Author(s) Jecklin, Matthias C.
Gamez, Gerardo
Zenobi, Renato
Journal or Series Title The analyst
Volume Number 134
Issue Number 8
Start Page 1629
End Page 1636
ISSN 0003-2654
1364-5528
Publisher The Royal Society of Chemistry
Publication Place Cambridge
Publication Date 2009
Abstract Flowing afterglow atmospheric pressure glow discharge mass spectrometry (FA-APGD-MS) was used to interrogate different polymer species such as biopolymers, synthetic homo- and co-polymers. The main advantages of FA-APGD-MS for polymer samples include speed (<30 s per sample) and analysis at atmospheric pressures. Moreover, there are essentially no restrictions as to the kind of polymer sample that can be analyzed because FA-APGD-MS can deal with liquid and solid (soluble or insoluble) bulk polymers and granulates, irrespective of their conductivity, without requiring any sample preparation prior to analysis. We will discuss the mechanism of ion formation as well as the limitation of the accessible mass range (m/z < 500) in view of what type of information can be gained from the mass spectra obtained. Monomer units and some fragments were detected for homopolymers, e.g.cis-polyisoprene (IR), poly(ethylene glycol) (PEG), poly(ethylene terephthalate) (PET), which allowed identification of the polymer composition. The mass spectra obtained were further processed using principal component analysis (PCA) for a better visualization and assessing of mass-spectral reproducibility. Combination with PCA even allowed differentiation of pectin, amylopectin, and cellulose, chemically very similar polysaccharides whose characteristic differences lie in the nature of the glycosidic linkage. Finally, we were able to detect and identify phthalate plasticizers, bis(2-ethylhexyl) phthalate (BEHP) and dibutyl phthalate (DBP), present in poly(vinyl chloride)-based food wraps.
DOI 10.1039/b819560a
Additional Notes Received 3 November 2008, Accepted 21 April 2009, Published online 12 May 2009
Document Type Article
Publication Status Published
Language English
Assigned Organisational Unit(s) 03430
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NEBIS System Number 000023536
Source Database ID PP-49379
WOS-000268131500018
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@article{Jckln2009,
  author = "Jecklin, Matthias C. and Gamez, Gerardo and Zenobi, Renato",
  title = "{F}ast polymer fingerprinting using flowing afterglow atmospheric pressure glow discharge mass spectrometry",
  journal = "The analyst",
  year = 2009,
  volume = "134",
  number = "8",
  pages = "1629--1636",
}


E-Citations record created: Fri, 02 Apr 2010, 03:46:15 CET