Atmospheric pressure helium microwave detection system for gas chromatography

1978 ◽  
Vol 50 (14) ◽  
pp. 2112-2118 ◽  
Author(s):  
Bruce D. Quimby ◽  
Peter C. Uden ◽  
Ramon M. Barnes
1998 ◽  
Author(s):  
Ronald G. Riechers, Sr. ◽  
Krishna M. Pasala ◽  
Geoffrey S. F. Ling

1963 ◽  
Vol 46 (2) ◽  
pp. 198-204
Author(s):  
Jerry Burke

Abstract Commercial models of a programmed temperature gas chromatograph and microcoulometric detection system were combined to study programmed temperature gas chromatography (PTGC) of chlorinated insecticides. PTGC permitted the analysis of samples containing materials whose volatilities cover a wide range. PTGC produced better chromatograms and was faster than isothermal gas chromatography. PTGC did not achieve separations which were not possible by isothermal gas chromatography. Operating parameters for a PTGC residue screening operation were determined. Relative retention times at these conditions are given for 22 pesticides. Other advantages of the PTGC instrumentation are noted.


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