Pollutant tester for monitoring air samples for gaseous residues, e.g. PCBs, contains a solid as absorbent or adsorbent arranged in a semi-permeable polyethylene film

摘要

Pollutant tester contains a solid as absorbent or adsorbent arranged in a semi-permeable polyethylene film. The absorbent or adsorbent has a high accumulation capability for volatile organic pollutants.