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Grade 121 is also used in membrane pre-filtration and is also found in quantification of solids
Grade 151 has retention comparable to membrane filter while providing high flow and loading capacity
Polyshield's smooth
Grade 111 is also well suited for filtration of water and protein
Grade 169 for STM2540-E - Volatile Suspended Solids
Chromatography Blotting Paper - 2388-0708 - Grade 238, 7cm x 8 cm 8.50cm Grade 121 is also usedAhlstrom Munksj Grade 238 0. 34 mm 140 mm 30 min This medium thick paper is recommended for general chromatography applications. Grade 238 is also ideal for use as wicks in protein or nucleic acid blotting to provide a uniform flow of buffer through the gel to the transfer membrane of a blotting sandwich. This is our most widely used blotting paper. Grade 238 is also suited for electrophoresis and the separation of inorganic compounds and for use in
