Ultra Low-Level Organophosphorus Pesticides by GCMS-SIM

Jul 1

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7/1/2008 4:00 AM  RssIcon

Weck Laboratories can analyze organophosphorus pesticides via Selected Ion Monitoring (SIM) mode Gas Chromatography/Mass Spectrometry (GCMS) at 25 times lower detection limits than EPA method 8141A. This later method employs GC/NPD at detection limits of 250 nanograms per liter, whereas the GCMS-SIM method reaches down to 10 ng/L. Target compounds and limits.

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