Folded Filter Paper

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Folded Filter Paper
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  • Whatman cellulose filter paper grades are now available in a flat, quadrant folded format to fit conical filter funnels. Quadrant folded filter paper saves the user valuable time Quadrant folded filter paper provides ease of use when undertaking repetitive or multiple analyses

  • …determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 1: 11 µm The most widely used filter paper for routine applications with medium retention and…

  • …particulate is postponed. Increased total loading capacity as more filter area is available. Maintained flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself. The prepleating does not significantly affect any of the…

  • …particulate is postponed. Increased total loading capacity as more filter area is available. Maintained flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself. The prepleating does not significantly affect any of the…

  • …of Grade 113 and suitable for coarse or gelatinous precipitates. Smooth surface for easy recovery of precipitates. These extremely strong filter papers have a high wet strength due to the addition of a small quantity of chemically stable resin. Normal qualitative applications will not introduce…

  • …coarse or gelatinous precipitates. Fastest flow rate of the qualitative grades. Creped surface. Thickest filter paper in the qualitative range. These extremely strong filter papers have a high wet strength due to the addition of a small quantity of chemically stable resin. Normal qualitative…

  • …particulate is postponed. Increased total loading capacity as more filter area is available. Maintained flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself. The prepleating does not significantly affect any of the…

  • Slow filter paper with high wet strength. This paper has the same chemical resistance characteristics as Grade 1573. Slow filter paper with high wet strength. This paper has the same chemical resistance characteristics as Grade 1573. These extremely strong filter papers have a high wet strength due…

  • …circles.A standard grade filter papers for fine precipitates. Cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters give improved flow rate and increased loading capacity compared to equivalent quadrant folded filters.

  • …for routine filtration. A general purpose creped filter for less critical routine analysis. Widely used to assay sucrose in cane sugar and within pharmaceutical laboratories for routine filtration. These extremely strong filter papers have a high wet strength due to the addition of a small…

  • A fast filter paper with high wet strength. It has a very smooth surface making it easy to scrape or wash off precipitate. A fast filter paper with high wet strength. It has a very smooth surface making it easy to scrape or wash off precipitate. These extremely strong filter papers have a high wet…

  • …circles.A standard grade filter paper for fine precipitates . Cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters give improved flow rate and increased loading capacity compared to equivalent quadrant folded filters.

  • …of Grade 113 and suitable for coarse or gelatinous precipitates. Smooth surface for easy recovery of precipitates. These extremely strong filter papers have a high wet strength due to the addition of a small quantity of chemically stable resin. Normal qualitative applications will not introduce…

  • …602EH½ Qualitative Filter Papers for very fine precipitates. Cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters give improved flow rate and increased loading capacity compared to equivalent quadrant folded filters.

  • …604½ Qualitative Filter Papers for coarse precipitates. Cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters give improved flow rate and increased loading capacity compared to equivalent quadrant folded filters.

  • filter paper in the qualitative range. Ultra high loading capacity with a particle retention well suited for use with coarse or gelatinous precipitates. Fastest flow rate of the qualitative grades. Creped surface. Thickest filter paper in the qualitative range. These extremely strong filter papers

  • Intermediate in speed and retention between Grades 1 and 4. Intermediate in speed and retention between Grades 1 and 4. These extremely strong filter papers have a high wet strength due to the addition of a small quantity of chemically stable resin. Normal qualitative applications will not…

  • filter area is available.Maintained flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself.The prepleating does not significantly affect any of the technical data, and the same figures may be used for the flat circles.Fast filter

  • …reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself.The prepleating does not significantly affect any of the technical data, and the same figures may be used for the flat circles.A medium fast filter paper with high wet strength. This paper has the…

  • …rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself.The prepleating does not significantly affect any of the technical data, and the same figures may be used for the flat circles.A medium fast filter paper used for the filtration of…

  • …particulate is postponed. Increased total loading capacity as more filter area is available. Maintained flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself. The prepleating does not significantly affect any of the…

  • …of particulate is postponed. Increased total loading capacity as more filter area is available. Maintained flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself. The prepleating does not significantly affect any of the technical…

  • …reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself.The prepleating does not significantly affect any of the technical data, and the same figures may be used for the flat circles.A medium fast filter paper with high wet strength. This paper has the…

  • …due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself.The prepleating does not significantly affect any of the technical data, and the same figures may be used for the flat circles.A thick prepleated filter paper with high loading capacity.…

  • filter paper contact with funnel side and the self-supporting shape of the filter itself.The prepleating does not significantly affect any of the technical data, and the same figures may be used for the flat circles.Grained, with medium fast flow rate and medium retention. A universal filter paper,

  • …of particulate is postponed. Increased total loading capacity as more filter area is available. Maintained flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself. The prepleating does not significantly affect any of the technical…

  • …of particulate is postponed. Increased total loading capacity as more filter area is available. Maintained flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself. The prepleating does not significantly affect any of the technical…

  • … Custom cut/li> Bulk packaging/li> Standard Grades (Non Wet-Strengthened) Standard qualitative filter papers are suitable for quadrant folded or gravity flow applications. These grades contain a high level of alpha-cellulose that provides high purity but will weaken…

  • folded applications. We do not recommend these grades for use in vacuum work or when wet handling is required. Ahlstrom 617: 35µm – Fast Speed This is an extremely fast filtering grade and has a larger particle retention than Ahlstrom 631. Ahlstrom 617, a thicker filter paper

  • …grades available/li> Custom cut/li> Bulk packaging/li> Standard Grades (Non Wet-Strengthened) Standard qualitative filter papers are suitable for quadrant folded or gravity flow applications. These grades contain a high level of alpha-cellulose that provides high purity but will weaken…

  • …grades available Custom cut Bulk packaging Standard Grades (Non Wet-Strengthened) Standard qualitative filter papers are suitable for quadrant folded or gravity flow applications. These grades contain a high level of alpha-cellulose that provides high purity but will weaken…

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