Polyurethane Foam Filter (PUF)

The polyurethane foam for persistent organic pollutants (POPs) sampling in the air. The air streams freely around a filter, which captures pollutants during the period of passive air sampling. The sampling occurs through spontaneous diffusion of the analyte to the sorbent media – PUF. Subsequently, POPs are then analyzed in the PUF. PUF filter are at circular shape equipped with the metal insert. The duration of the sampling is usually 4 weeks or up to 3 months. PUF filter is precleaned and can be used immediatelly.