Evaluation of field desorption mass spectrometry for the analysis of polyethylene
- 1 October 1996
- journal article
- Published by American Chemical Society (ACS) in Journal of the American Society for Mass Spectrometry
- Vol. 7 (10) , 1070-1074
- https://doi.org/10.1016/1044-0305(96)00043-8
Abstract
Field desorption mass spectrometry (FD-MS) has been evaluated for the analysis of low molecular weight polyethylene by using samples in the molecular weight range 600–2000 u as determined by gel permeation chromatography. The repeat units and end groups were characterized by FD-MS, but it was demonstrated that accurate molecular weight distribution data cannot be obtained for polyethylene by FD-MS because there is mass discrimination against the higher molecular weight polymers.Keywords
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