Evaluation of field desorption mass spectrometry for the analysis of polyethylene

被引：23

作者：

Evans, WJ

DeCoster, DM

Greaves, J

机构：

[1] Department of Chemistry, University of California - Irvine, Irvine, CA

[2] Department of Chemistry, University of California - Irvine, Irvine

来源：

JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY | 1996年 / 7卷 / 10期

关键词：

D O I：

10.1016/1044-0305(96)00043-8

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

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.

引用

页码：1070 / 1074

页数：5

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