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EPA method 1311
This grade offers better filtration speed and a higher loading capacity than an analytical filter paper of similar particle retention
This medium thick paper offers extremely high flow and is recommended for both electrophoresis of large molecules and as a blotter to complete the blotting sandwich in gel transfer applications
Grade 161 is generally recommended for water pollution monitoring techniques for total suspended solids
air pollution testing
Glass Microfiber Filter Paper - 1410-1500 - Grade 141, 15cm 243 EPA method 1311Ahlstrom Munksj 141 3. 1 m, Fast Speed This grade offers better filtration speed and a higher loading capacity than an analytical filter paper of similar particle retention. Grade 141 is particularly recommended for pre filtration of membrane filters and is also used in combination with Grade 121 as a highly efficient protective and retentive grade density pre filter for membrane filters.
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