Harry Prest

Harry Prest is with Agilent Technologies in Santa Clara, California.


Why Use Signal-To-Noise As a Measure of MS Performance When It Is Often Meaningless?

May 01, 2011

Signal-to-noise of a chromatographic peak from a single measurement has been used determine the performance of two different MS systems, but this parameter can no longer be universally applied and often fails to provide meaningful estimates of the instrument detection limits (IDL).

Recent Improvements in Benchtop GC–MS

April 01, 2007

The 30-year history of advances in gas chromatography–mass spectrometry technology continues today. Recent improvements in hardware, electronics, and data analysis software have resulted in new levels of productivity and sensitivity that have broadened the potential applications for this laboratory mainstay.