The disk from polyurethane foam (PUF) for persistent organic pollutants (POPs) sampling in the air.
The air streams freely around a filter captured measured pollutants during the period of passive air sampling. The spontaneous diffusion of the analyte to the sorbent media lasts usually about 4 weeks. The PUF filter is protected by a stainless holder and then the PUF is analyzed in the laboratory.
PUF filter are at circular shape equipped with the metal insert. The duration of the sampling is usually 4 weeks. PUF filter is precleaned and can be used immediatelly.
|Thickness od disc:||1,5 cm|
|Diameter of disc:||15 cm|