Parallel Column Gas Chromatography

Parallel Column Gas Chromatography

The focus of this research centers on the development of parallel column gas chromatography as a general analytical tool for trace detection of pollutants. Parallel column GC involves replacing the single column used in conventional GC separations with a parallel set of columns having different stationary phases. Effluents from injected samples are split among the parallel columns and recombined at the detector. Each compound is detected as a unique sequence of peaks due to different retention properties on the various GC stationary phases. This provides a new dimension of analytical information and increases the degree of confidence in analytical identifications. MS and MS/MS provide the necessary detector selectivity to allow sufficient generation of peak capacity. Multidimensional chromatography allows further selectivity optimization.

Publications

"Parallel Column Gas Chromatography," P.M. Owens, D.W. Loehle, **B.S. Scott, and **R.S. Gonzalez**, Journal of.Microcolumn Separations, (6) 551-556 (Nov-Dec 1995).

Presentations

"Parallel Column Gas Chromatography," P.M. Owens, D.A. Loehle, **B.S. Scott, and **R.S. Gonzalez, presented at the 17th International Symposium on Capillary Chromatography and Electrophoresis, Wintergreen, VA, May 1995.

Invited Paper - "Multidimensional Parallel Column Chromatography for GC/MS systems," P.M.Owens and **B.S. Scott, Abstract 127, presented at the 33rd Eastern Analytical Symposium, November 1994.

"Multidimensional Chromatography System Employing Parallel Capillary Columns for the Generation of GC Spectra," P.M. Owens, **B.S. Scott, and **R.S. Gonzalez, Abstract 379, presented at the 32nd Eastern Analytical Symposium, November 1993.