37mm Mixed Cellulose Ester Filter, Mid-Level w/Al

Mid-level trace metals on MCE filter with Al, 37mm diamater, 0.8 µm pore size. Includes 10 spiked filters and 5 blanks. This standard is traceable to NIST SRM 3100 series. ISO 9001:2015 certified, ISO/IEC 17025:2017 and ISO 17034:2016 accredited. 12 month expiration date. Components: Aluminum at 100 µg/filter, Arsenic at 20 µg/filter, Barium, Chromium, Cobalt, Copper, Iron, Lead, Manganese, Nickel, Thallium, Vanadium, Zinc at 5 µg/filter, Beryllium at 0.2 µg/filter, Cadmium, Silver at 2 µg/filter.