Mass Spectrometric Advances in the Analysis of Large Aromatic Fractions of Heavy Fuel Oils and Carbon Particulates

被引：13
作者：
Apicella, B. [1 ]
Alfe, M. [1 ]
Ciajolo, A. [1 ]
机构：
[1] CNR, Ist Ric Combust, I-80125 Naples, Italy
来源：
COMBUSTION SCIENCE AND TECHNOLOGY | 2010年 / 182卷 / 4-6期
关键词：
Asphaltenes; Mass spectrometry; PAH; Particulate; ATMOSPHERIC-PRESSURE PHOTOIONIZATION; LASER DESORPTION/IONIZATION TECHNIQUES; MOLECULAR-WEIGHT DISTRIBUTIONS; SIZE-EXCLUSION CHROMATOGRAPHY; PETROLEUM ASPHALTENES; CONTRASTING PERSPECTIVE; IONIZATION; FLUORESCENCE; CALIBRATION; COMBUSTION;
D O I：
10.1080/00102200903466335
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Advanced mass spectrometric systems have been tested for the analysis of heavy fractions of fuel oils and combustion-formed particulate in terms of mass range detection and resolution. The analysis of these complex aromatic samples is not amenable to conventional chromatographic-mass spectrometric techniques due to their low volatility and degradability. In this paper, the advantages and the shortcomings of different ionization methods (electron impact, photoionization, laser ionization) and different mass analyzers (quadrupole, ion trap, time of flight) have been carefully investigated. The optimization of operative parameters has shown to be crucial for the extension of mass detection range. The Atmospheric Pressure Photoionization-Mass Spectrometry techniques showed the best performances in terms of low fragmentation of the parent ion and sensitivity for the analysis of asphaltenes. Laser Desorption Ionization-Mass Spectrometry showed to be more suitable for the analysis of aromatic tarry combustion-formed species.
引用
收藏
页码：640 / 652
页数：13
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