For particulate sampling, the MiniVolâ„¢ TAS uses 47mm filters to collect particulate matter. Filters should be weighed pre- and post-exposure with a microbalance accurate to one microgram.
Airmetrics offers the following types of filters:
Fiber Film Filter - Teflon-coated glass, ideal for gravimetric analysis
Pure Quartz Filter - Recommended if chemical analysis for carbon based compounds will follow gravimetric analysis
Pure Teflon Filter - Recommended if chemical analysis for non-carbon based compounds will follow gravimetric analysis
Contact Airmetrics for pricing and availability of boxed, unweighed filters. To complement use of the MiniVol™ samplers, Airmetrics also offers filter weighing services.