Analysis of the molecular weight distribution of vacuum residues and their molecular distillation fractions by laser desorption ionization mass spectrometry
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- 作者：Diana Catalina Palacio Lozanoa ; catalina.palacio.fisica@gmail.co" class="auth_mail" title="E-mail the corresponding author ; diana.palacio@correo.uis.edu.co" class="auth_mail" title="E-mail the corresponding author ; Jorge Armando Orrego-Ruizb ; jorge.orrego@ecopetrol.com.co" class="auth_mail" title="E-mail the corresponding author ; Mark P. Barrowc ; M.P.Barrow@warwick.ac.uk" class="auth_mail" title="E-mail the corresponding author ; Rafael Cabanzo Hernandeza ; rcabanzo@uis.edu.co" class="auth_mail" title="E-mail the corresponding author ; Enrique Mejí ; a-Ospinoa ; emejia@uis.edu.co" class="auth_mail" title="E-mail the corresponding author
- 关键词：Mass spectrometry ; Time-of-flight ; Vacuum residues ; Molecular distillation ; Partial least square
- 刊名：Fuel
- 出版年：2016
- 出版时间：1 May 2016
- 年：2016
- 卷：171
- 期：Complete
- 页码：247-252
- 全文大小：882 K
文摘
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Use of LDI mass spectrometry to study petroleum is known to present challenges.
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Vacuum residues and their fractions were studied using LDI mass spectrometry.
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Under careful conditions, reliable average molecular weights were determined.
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The data was used to statistically classify the samples.
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The results can be correlated with physical properties, such as density.