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Grade 31ET Chr Cellulose Chromatography Paper, roll, 15 cm × 100 m 31ET Chr cellulose chromatography roll is an extremely fast 0.50 mm paper for electrophoresis of large molecules. Pure cellulose produced entirely from the highest quality cotton linters with no additives of any kind. Manufactured and tested specifically for chromatographic techniques. This ensures the wicking capability and uniformity of capillary action that are important in chemical separations. Also widely used in protein and nucleic acid blotting. Thickness 0.50 mm. Flow rate 225 mm/30 min. Extremely fast. Flow rate is the highest of all chromatography papers in the Whatman range. Thick paper with fairly soft surface. Principal application is in electrophoresis of large molecules. Grade 31ET Chr

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