Journal
ANALYTICA CHIMICA ACTA
Volume 654, Issue 1, Pages 20-25Publisher
ELSEVIER
DOI: 10.1016/j.aca.2009.06.050
Keywords
Polymer; Addictive; Mass spectrometry; Atmospheric ionization; Pyrolysis atmospheric solids analysis probe; Matrix assisted laser desorption/ionization
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Polymer manufacturers add antioxidants, waxes, dyes, and other materials to enhance polymer utility or processing. Numerous analytical methods are available to characterize various chemical aspects of polymers including methods interfaced with mass spectrometry (MS) such as pyrolysis (Py), gas chromatography (GC), liquid chromatography (LC), and thermogravimetric analysis (TGA). Current methods work well, but because of the necessity of extraction. chromatography, or thermal methods. most are too time consuming for high throughput analyses which might be necessary in, for example, regulatory laboratories. Here we discuss three MS methods for rapid analysis of polymers; multi-sample MALDI MS which allows rapid analysis of low molecular weight polymers. atmospheric pressure (AP) solids analysis probe MS for direct ambient additives analysis, and APPy MS for polymer identification. The latter methods provide information regardless of the composition or molecular weight of the polymeric material. (C) 2009 Elsevier B.V. All rights reserved.
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