Filter Paper, Glass Fiber, Grade QM-A, Cytiva Whatman™
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Filter Paper, Glass Fiber, Grade QM-A, Cytiva Whatman™
Glass Fiber filters offer high flow rates, excellent chemical resistance, high thermal stability and are very pure - with no binder materials added during manufacturing.
- QM-A Quartz Filters - High purity quartz (SiO2) microfibre filters for air sampling in acidic gases, stacks, flues and aerosols, particularly at high temperatures up to 550°C. Because of the low level of alkaline earth metals, “artifact” products of sulfates and nitrates (from SO2 and NO2) are virtually eliminated. QM-B is also available – please inquire. (QM-B is for use when double thickness and increased strength and retention are required).