Hydrocarbon polymer analysis by external MALDI Fourier transform and reflectron time of flight mass spectrometry

被引：14
|
作者：
Jaber, AJ [1 ]
Wilkins, CL [1 ]
机构：
[1] Univ Arkansas, Dept Chem & Biochem, Fayetteville, AR 72701 USA
来源：
JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY | 2005年 / 16卷 / 12期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/j.jasms.2005.08.006
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
The traditional solvent-based matrix-assisted laser desorption ionization (MALDI) preparation method has been used to analyze nonpolar polymers of various molecular weights. High resolution silver cationized oligomers with masses of up to 12 KDa were measured using 9.4 tesla Fourier transform mass spectrometry (FTMS) with an external ionization source. It was observed that when time-of-flight mass spectrometry was used, the spectra of polyethylene polymers showed abundant low mass fragment ions. However, these fragments were absent from the FTMS spectra.
引用
收藏
页码：2009 / 2016
页数：8
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