Author | John E. George, III

John E. George, III is with Varian, Inc., Palo Alto, California.


The Analysis of Semivolatile Compounds in Environmental and Crude Vegetable Extracts by Ion-Trap Mass Spectrometry

November 01, 2007

Special Issues


Today's ion traps use advanced scanning techniques such as automatic gain control, axial modulation, and triple resonance scanning, resulting in efficient control of both ionization and optimal storage of ions in the trap during analysis. These instruments provide excellent sensitivity and quantitative data, even in "dirty" samples.