Analysis of Low Level Pyrethroid Pesticides in Water 

Pyrethroids are a class of synthetically produced insecticides that are mainly used for domestic purposes to control insects such as mosquitoes. They behave very similarly to natural pyrethrins, which are derived from chrysanthemum flowers and are extremely toxic to fish and aquatic organisms, but have low toxicity towards humans. However, repeated exposure increases the risk of anaphylaxis and allergic reaction at very low concentrations and should be monitored.

In this application note 20579, a simple method for isolating pyrethroids from water at low levels is described using solid-phase extraction (SPE) followed by GC/MS utilising a programmable temperature vaporiser (PTV) operated in simulated on-column injection mode.

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