Pesticide analysis

The Zebron MultiResidue columns represent a solution for all classes of pesticides analysis. The columns were developed using two new stationary phases and each phase has been optimised to resolve a different set of analytes. However, both are good for a wide variety of pesticides.

Zebron MultiResidue columns provide baseline resolution of all EPA method 8081A chlorinated pesticides in less than 10 mins. In calibration curves ranging from 5 to 250 ppb, the columns provide results that exceed the EPA requirements for percent breakdown of DDT and Endrin, linearity (% RSD), and resolution of critical isomers.

Both columns are MS certified, so they can also be used with GC/MS for multi-residue pesticide methods. The selectivity offered by each phase allows for increased resolution of critical compounds vs standard 5 ms type phases. Retention time data is available for over 300 different pesticides on GC/MS, further simplifying method development.

These phases may also offer benefits to additional application areas. Phenomenex has evaluated the phases for resolution of polychlorinated biphenyls (PCBs) and polyaromatic hydrocarbons (PAHs), demonstrating selectivity for certain critical isomers. Additional work is ongoing to explore the full range of applications that can benefit from these phases.