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air pollution testing
Ahlstrom-Munksjö 161
Grade 54 is also used in air pollution testing to determine gaseous compounds
Grade 74 covers a wide range of general ashless filtration applications
Ahlstrom-Munksjö 141
Glass Microfiber Filter Paper - 1210-2500 - Grade 121, 25cm 161 air pollution testingAhlstrom Munksj 121 1. 0 m, Medium Speed This very thick grade offers finer particle than Grade 111 with high wet strength and loading capacity. Grade 121 is recommended for the clarification of liquid suspensions loaded with fine particulates. Grade 121 is also used in membrane pre filtration and is also found in quantification of solids, and LSC (Liquid Scintillation Counting) techniques that require high loading capacity.
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