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Screening and Qualitative Identification of Antioxidant Polymer Additives by HPLC with UV/VIS and APCI-MS Detection
Abstract:
Liquid chromatography with ultraviolet/visible spectroscopy and mass selective detection is a powerful approach to antioxidant analysis and identification. Examples illustrate that mobile phase conditions affect the quality and usability of the acquired data; unknown compounds can be identified with sufficient MS data and additive degradation can be quickly evaluated.
Keywords:
LC/MS, DAD, UV/VIS, APCI, API, API-MS, MSD, antioxidant, polymer additives, polymer formulation, Irganox, Irgafos, hindered phenol, phenolics, phosphite, degradation, m/z, identification, fragmentation, spectra, spectroscopy, gradient, ionization, Polymers
Publication Number:
5988-8610EN
Last Updated:
11/2/2009
Number of Pages:
20
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