{"product_id":"quartz-air-sampling-filter-grade-qm-a-47-mm-circle","title":"Quartz Air Sampling Filter, Grade QM-A, 47mm circle","description":"\u003cp\u003eOverview\u003cbr\u003e\r\nCytiva''s high-purity quartz microfiber filters are used in many air sampling filter applications, including sampling of acidic gases, stacks, flues, and aerosols. Filters are suitable for PM-10 sampling and analysis.\u003cbr\u003e\r\n•Temperature resistant up to 800°C\u003cbr\u003e\r\n•Binder-free\u003cbr\u003e\r\n\u003cbr\u003e\r\nWhatman quartz microfiber filters\u003cbr\u003e\r\nBecause of the low level of alkaline earth metals, \"artifact\" products of sulfates and nitrates (from SO2 and NO2) are virtually eliminated. High-purity quartz microfiber filters are therefore applicable for particulate monitoring and heavy metal analysis.\u003cbr\u003e\r\n\u003cbr\u003e\r\nWhatman QM-A filter circles and sheets\u003cbr\u003e\r\nQM-A quartz microfiber filters from Cytiva come in a wide range of circle diameters, as well as 25-piece sheets. QM-A sheets (1851-8866) are sequentially numbered according to U.S. Environmental Protection Agency (EPA) standards and are suitable for most applications.\u003c\/p\u003e","brand":"Whatman","offers":[{"title":"Default Title","offer_id":53660020244771,"sku":"WHAT1851-047","price":271.3,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/5896\/9012\/files\/1851-047.jpg?v=1791496037","url":"https:\/\/onelab.co.nz\/products\/quartz-air-sampling-filter-grade-qm-a-47-mm-circle","provider":"Onelab","version":"1.0","type":"link"}