A Method of Qualitative and Quantitative Analysis on Fluid Catalytic Cracking Full Range Gasoline by Comprehensive Two-Dimensional Gas Chromatography Coupled with Time-of-Flight Mass Spectrometry / 分析化学
Chinese Journal of Analytical Chemistry
; (12): 489-494, 2017.
Artigo
em Chinês
| WPRIM (Pacífico Ocidental)
| ID: wpr-511765
Biblioteca responsável:
WPRO
ABSTRACT
A method of qualitative and quantitative analysis on fluid catalytic cracking (FCC) full range gasoline by comprehensive two-dimensional gas chromatography coupled with time-of-flight mass spectrometry (GC×GC-TOF MS) was established. The results showed that paraffins, olefins, naphthenes and aromatics in FCC gasoline had regional and zonal distribution in two-dimensional contour plots. The distinctions of boiling points and polarity between different compounds were used to achieve the accurate separation and determination in GC×GC-TOF MS analysis, and consequently the co-current flow which was often present in the conventional GC analysis was greatly suppressed. The difference of ionizing efficiency between different compounds was modified by response factors, and moreover, a good quantitative dependency was found between the analysis results of GC and GC×GC-TOF MS on FCC gasoline. Due to the high separation resolution, GC×GC-TOF MS gave more accurate results about the group compositions of FCC gasoline. GC×GC-TOF MS provided an effective way with high precision for the characterization of FCC gasoline.
Texto completo:
Disponível
Base de dados:
WPRIM (Pacífico Ocidental)
Tipo de estudo:
Pesquisa qualitativa
Idioma:
Chinês
Revista:
Chinese Journal of Analytical Chemistry
Ano de publicação:
2017
Tipo de documento:
Artigo