Polyurethane Foam as an Effective Adsorbent for Pesticides in Air (GC Analysis)

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Courtesy of Sigma-Aldrich Co., LLC

Polyurethane foam (PUF) is a lightweight, easy-to-use material for sampling pesticides in air. Low back pressure allows sampling times and representative samples. A PUF filter cartridge designed to attach to the front of an ORBO-1000 PUF sampling cartridge traps aerosols and particulate matter, is easily and conveniently assembled, and can be removed from the ORBO-1000 cartridge and capped separately to maintain sample integrity. Both the foam plug and the glass holder that comprise an ORBO-1000 cartridge are reusable when cleaned as described here.

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