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Sample Processing at Pittcon® 2014
Tuesday, May 06, 2014
Application Note
Robert L. Stevenson, Ph.D.
The tenfold increase in speed for the analytics (GC, HPLC, and SFC [supercritical fluid chromatography], all with MS) over the last decade has shifted the choke point in many workflows from analytics ... read more
Sample Prep for LC, GC, and SFC at Pittcon® 2013
Friday, May 10, 2013
Technical Article
Robert L. Stevenson, Ph.D.
At Pittcon® 2013, sample prep stood out as a major focus, perhaps because of the few advances in chromatography instrumentation. In addition, some sample preparation is spilling over into other ... read more
New Instrumentation and Applications at HPLC 2012
Friday, August 10, 2012
Technical Article
Robert L. Stevenson, Ph.D.
A marketplace is usually dynamic, with a cross-current of disparate interests meeting to find mutual satisfaction. read more
Rapid, Robust, and Sensitive Detection of 11-nor-Δ9-Tetrahydrocannabinol-9-Carboxylic Acid in ...
Thursday, September 01, 2011
Technical Article
Bernhard Rothweiler Fred Feyerherm David Engelhart Stephan Baumann
Testing hair for drugs of abuse has been practiced for over 50 years, due in large part to the ability to detect drug use over a longer period of time, as compared to other biological matrices, ... read more
Increased Throughput in Method 8270 Analysis
Monday, January 01, 2007
Application Note
William D. Goodman Frank DeLorenzo
Method 8270 is a GC-MS method created by the U.S. EPA Office of Solid Waste for the analysis of semivolatile organics by gas chromatography-mass spectrometry. read more
Automated Chemical Ionization in GC-MS
Monday, January 01, 2007
Application Note
Chris Sandy Jean-Francois Garnier Bernhard Rothweiler Fred Feyerherm Sihem Ben Mahmoud Harry F. Prest
Gas chromatography with mass spectrometric detection using chemical ionization (CI) has demonstrated great utility in a wide variety of application areas ranging from forensics to environmental to ... read more