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Whatman Cellulose Chromatography Papers, GE Healthcare


3003-917 3454-651 3031-681 3017-621 3004-614 3017-820 3002-911 3004-917 3017-915 3017-917 10382581 10382461 10382562 3031-915 3020-917 3031-901
Pure cellulose produced entirely from the highest quality cotton linters with no additives of any kind.

  • Pure cellulose produced from the highest quality cotton linters, with no additives, ensures that no contamination will occur during the transfer steps
  • Manufactured and tested specifically for chromatographic techniques to ensure the wicking capability and uniformity of capillary action that is important in obtaining clean and even transfers during blotting

Whatman chromatography papers are widely used across the world, reflecting their purity, high quality and consistency. They are made from specially selected cotton cellulose and rigorously quality controlled to ensure uniformity within the grade. Also widely used in protein and nucleic acid blotting. Manufactured and tested specifically for chromatographic techniques. This ensures the wicking capability and uniformity of capillary action that are important in chemical separations.

Grade 2 Chr features a thickness of 0.18 mm. Flow rate 115 mm/30 min. Slower than 1 Chr for higher resolution applications. Smooth surface. Particularly recommended for optical or radiometric scanning. Grade 3 Chr filters are used for general applications with medium/heavy solute loadings. Frequently used for separation of inorganic compounds and for electrophoresis. Grade 4 Chr features a thickness of 0.21 mm. Flow rate 180 mm/30 min. Fastest of the thin papers. Recommended for routine and/or repetitive chromatography when loadings are relatively low. Smooth surface. Very suitable where speed is important and very high resolution is not required.

Grade 17 Chr is a thick (0.92 mm) and highly absorbent paper with a very high flow rate of 190 mm/30 min. Suitable for the heaviest loadings and ideal for preparative paper chromatography and electrophoresis. Grade 20 Chr features a thickness of 0.17 mm. Flow rate 85 mm/30 min. For maximum resolution, this grade is supreme, giving the greatest possible separation of closely related compounds. Smooth surface. Recommended for separation of samples of unknown composition, with outstanding resolution at low loadings. Grade 31ET Chr is 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 54 SFC is a thin hardened paper with high speed and fair to good resolution. Recommended for routine chromatography. High wet strength. Grade 2668 Chr are used for separation of relatively large molecules by electrophoresis. Grade 2727 Chr is used for separation of very large amounts of substance.

Ordering information: This data shown may be based on historic Whatman records. As is normal practice, customers should determine and validate for themselves (as necessary) that the products are suitable for their specific application.



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Grade Dimensions Thickness Flow Rate Type Supplier No. Catalog Number Unit List Price Quantity
Grade 31ET Chr 46 x 57 cm (18.1 x 22.4") 0.50 mm 225 mm/30 min. Sheets 3031-915 F-3146-1 Pack of 25 Retrieving
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