Whatman™ Air Monitoring PTFE Membrane Filters for EPA Method PM 2.5
The Whatman™ PM 2.5 PTFE membrane filter is a high-purity, thin PTFE membrane centered within a sequentially-numbered and chemically-resistant polypropylene support ring for PM 2.5 ambient air monitoring. Whatman™ PM 2.5 membranes have low tare mass for accurate gravimetric determinations. The thermally stable design eliminates curling keeps the membrane flat and makes the filter robot-friendly. The PM 2.5 PTFE membranes are manufactured under clean room conditions. These chemically resistant low chemical background filters permit sensitive interference-free determinations. No glues or adhesives are used in making these products. PTFE filters are manufactured and certified to be within conformance of EPA PM 2.5 Reference Method. (Statement of Conformance is available prior to purchase and with purchase). Membrane: PTFE.