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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
32 or 8x8 inches
This grade has similar performance properties to Grade 151 and is made with acid-treated borosilicate glass microfibers with inherently low levels of barium and zinc
and related EPA and ASTM protocols
Glass Microfiber Filter Paper - 1410-1500 - Grade 141, 15cm 243 This grade offers better filtrationAhlstrom 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.
