New nano stationary phase GC capillary columns for fast analysis of PAH by GC and GC/MS
New nano stationary phase (NSP) capillary columns were evaluated for the analysis of 16 priority polycyclic aromatic hydrocarbons (PAH). To meet the regulatory requirements, the analytical procedures must provide adequate separation and identification of the 16 individual priority PAH. A 12 m conventional diameter NSP column provides fast separation of 16 priority PAH, meeting the USEPA regulatory requirements specified in method 610. The new NSP columns are selective and highly stable with a maximum operating temperature limit of 370°C. The columns have extremely low bleed at the standard working temperature of 325°C normally used for PAH analyses. Due to low bleed, these columns provide higher sensitivity for PAH in GC/FID and GC/MS analysis. Microbore columns with the NSP provide even faster analysis and ultra low bleed. In addition to the 16 priority PAH, the separation of benzo(e)pyrene and perylene from benzo(a)pyrene, and complete separation of dibenzo[a,l]pyrene, dibenzo[a,e]pyrene, dibenzo[a,i]pyrene, and dibenzo[a,h]pyrene, which are mandated for monitoring and analysis in food products by the European Food Safety Authority, is achieved on NSP columns. The fast analysis of 16 PAH in less than 6 minutes, repeatability over 200 runs, high temperature stability, and extremely low bleed illustrates the robust performance of NSP columns. Due to high selectivity, complete separation of 16 priority PAH was achieved on a very short (<5 m) microbore NSP GC column. Fast analysis of 16 priority PAH on short NSP GC columns increases laboratory productivity and decreases laboratory operational costs. This is the first report on the application of selective, high temperature, extremely low bleed, NSP GC columns for PAH analysis.
No Reference information available - sign in for access.
No Citation information available - sign in for access.
No Supplementary Data.
No Article Media
Document Type: Research Article
Affiliations: Department of Chemistry, Cape Breton University, Sydney, Nova Scotia, B1P 6L2 Canada
Publication date: December 1, 2009