Thermo Fisher 303349 Each Dionex IonPac CS21-Fast-4μmguard column

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303349 EachDionex IonPac CS21-Fast-4μm Guard Column

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Excellent Chromatographic Performance

High capacity allows for the analysis of low-level analytes while maintaining excellent peak shape and for the injection of complex matrices without overloading the column.
Four major quaternary ammonium cationic polar pesticides (chlormequat, mepiquat, paraquat, and diquat) were rapidly separated at trace levels from a high ionic strength matrix using an MSA gradient.
Other cationic pesticides of interest were also separated, including diethanolamine, triethanolamine, NN-dimethylhydrazine, trimethylsulfonium, morpholine, melamine, streptomycin, and nereistoxin.

Designed for IC-MS/MS applications

Complete resolution of similar mass species such as paraquat and diquat.
Available in microbore formats compatible with MS flow rates.
Selectivity allows matrix ions to be diverted to waste, resulting in a cleaner MS source.
Compatible with solvents (up to 100% acetonitrile and 20% isopropanol).
Fast analysis of cationic polar pesticides in food, beverage, and environmental water samples.

For use with high pressure IC systems

A high pressure IC system (such as the Scientific™ Dionex™ ICS-6000 HPIC System or Thermo Scientific™ Dionex™ Integrion™ HPIC System) is required to operate this column under standard conditions.