Ahlstrom

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Ahlstrom

  • Pre-Weighed Filters

    Ahlstrom

    Ahlstrom pre-weighed and pre-washed filters can save time and resources in your laboratory by providing a convenient solution for your suspended solids testing. Each filter is pre-washed and pre-weighed, following the STM 2540 procedures, and provided in an aluminum pan with the identified weight…

  • Quantitative Filter Papers, Ahlstrom 74 (Ashless)

    Ahlstrom

    Ahlstrom manufactures a series of extremely high purity, acid washed filter papers designed for use in analytical and gravimetric analysis. The quantitative grades are manufactured from top quality cotton linters using ultra-pure, reverse-osmosis water and are further treated with dilute acid to…

  • Qualitative Filter Paper Circles, Ahlstrom 950

    Ahlstrom

    Ahlstrom’s qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still…

  • Qualitative Filter Papers, Ahlstrom 613

    Ahlstrom

    Ahlstrom’s qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still…

  • Glass Microfiber Filters, Ahlstrom 161

    Ahlstrom

    Ahlstrom offers a full range of glass microfiber filters manufactured from 100% pure borosilicate glass. Because of their intrinsic properties, glass microfiber filters have wide applications in many areas of laboratory analysis, especially when fine filtration and high loading capacity is…

  • Quantitative Filter Papers, Ahlstrom 54 (Ashless)

    Ahlstrom

    Ahlstrom manufactures a series of extremely high purity, acid washed filter papers designed for use in analytical and gravimetric analysis. The quantitative grades are manufactured from top quality cotton linters using ultra-pure, reverse-osmosis water and are further treated with dilute acid to…

  • Glass Microfiber Filters, Ahlstrom 141

    Ahlstrom

    Ahlstrom offers a full range of glass microfiber filters manufactured from 100% pure borosilicate glass. Because of their intrinsic properties, glass microfiber filters have wide applications in many areas of laboratory analysis, especially when fine filtration and high loading capacity is…

  • Qualitative Filter Papers, Ahlstrom 617

    Ahlstrom

    Ahlstrom’s qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still…

  • Quantitative Filter Papers, Ahlstrom 94 (Ashless)

    Ahlstrom

    Ahlstrom manufactures a series of extremely high purity, acid washed filter papers designed for use in analytical and gravimetric analysis. The quantitative grades are manufactured from top quality cotton linters using ultra-pure, reverse-osmosis water and are further treated with dilute acid to…

  • Glass Microfiber Filters

    Ahlstrom

    100% pure borosilicate glass microfibers; contains no binders or additives High loading capacity Consistent uniformity and excellent weight repeatability Rapid flow rate Particle retention range: 0.7 - 3.1 µm Chemical and thermal resistance (up to 550°C) Long shelf life GRADE…

  • Glass Microfiber Filters, Ahlstrom 121

    Ahlstrom

    Ahlstrom offers a full range of glass microfiber filters manufactured from 100% pure borosilicate glass. Because of their intrinsic properties, glass microfiber filters have wide applications in many areas of laboratory analysis, especially when fine filtration and high loading capacity is…

  • Qualitative Filter Papers, Ahlstrom 601

    Ahlstrom

    Ahlstrom's qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still…

  • Sugar Testing Filter Paper, 8613

    Ahlstrom

    Ahlstrom offers a full range of specially designed filter paper for use in the sugar industry. Ahlstrom 8613 has a smooth black finish designed for use in applications requiring visual examination of particles. Ahlstrom 613 and 615 are particularly well suited for general laboratory filtration…

  • Qualitative Filter Papers, Ahlstrom 631

    Ahlstrom

    Ahlstrom's qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that…

  • Phase Separation Filter Paper

    Ahlstrom

    Ahlstrom 480 is a hydrophobic silicone-impregnated paper intended for phase separation.

  • Pleated (Fluted) Filter Paper, #515

    Ahlstrom

    Ahlstrom offers a full range of standard pleated grades that meet your needs from grades with rapid flow rates for filtration of viscous materials to grades with tight matrices for removal of fine precipitates. Ahlstrom’s pre-pleated grades can save valuable time and maximize the efficiency of the…

  • Grade 615 Filter Paper 12.5cm

    Ahlstrom

    Qualitative wet-strengthened filter paper grades are manufactured for applications using in a system or apparatus that operates under pressure or vacuum conditions. They contain a small amount of chemically stable, insoluble binding resin which strengthens the natural fiber-to-fiber bonds under wet…

  • ReliaPrep™ Glass Fiber Prefilters

    Ahlstrom

    Syringe filters for convenient filtration of small sample sizes through membranes. This glass microfiber syringe filter can be used as a pre-filter to remove interfering particulates before filtering a sample through a membrane.

  • Chromatography, Electrophoresis and Blotting Paper

    Ahlstrom

    Ahlstrom manufactures a complete line of high quality chromatography, electrophoresis and blotting papers for use in gel transfer applications and chromatography techniques. These uniform, smooth, white sheets are the high purity, high quality, and high value standard. They are used in nucleic acid…

  • ReliaPrep™ Cellulose Acetate Syringe Filters

    Ahlstrom

    Syringe filters for convenient filtration of small sample sizes through membranes. Cellulose acetate membranes are hydrophilic membranes that offer excellent flow rates. They are low protein-binding and provide superior chemical resistance to alcohols and oils. They are best used at a pH of 4-8 and…

  • ReliaDisc™ Cellulose Nitrate Membrane Filtration Media

    Ahlstrom

    Membrane filters are surface micro filtration filters used to remove particulates on and near the surface of the filter matrix by mechanical means. They are made of different polymers and are selected to meet the particular filtration challenge.

  • Qualitative Filter Papers, Grade 961, Wet-Strengthened

    Ahlstrom

    Qualitative analysis Low ash content 0.06% Untreated Consistent performance Wet-strengthened grades available Custom cut Bulk packaging For use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present.…

  • Qualitative Filter Papers

    Ahlstrom

    Ahlstrom's qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still…

  • Glass Microfiber Filters, Ahlstrom 151

    Ahlstrom

    Ahlstrom offers a full range of glass microfiber filters manufactured from 100% pure borosilicate glass. Because of their intrinsic properties, glass microfiber filters have wide applications in many areas of laboratory analysis, especially when fine filtration and high loading capacity is…

  • Micro-Quartz Fiber Filters

    Ahlstrom

    Ahlstrom MK360 is a binder-free grade made of extremely pure micro-quartz fibers and conditioned by high temperature pre-heating. MK360 is useful for testing hot "stack" gases as the quartz fibers can withstand temperatures up to 900°C. In addition, micro-quartz is used in liquid filtration when…

  • Glass Microfiber Filters, Ahlstrom 111

    Ahlstrom

    Ahlstrom offers a full range of glass microfiber filters manufactured from 100% pure borosilicate glass. Because of their intrinsic properties, glass microfiber filters have wide applications in many areas of laboratory analysis, especially when fine filtration and high loading capacity is…

  • ReliaPrep™ PTFE Syringe Filters

    Ahlstrom

    Syringe filters for convenient filtration of small sample sizes through membranes. PTFE membranes are permanently hydrophobic and resistant to solvents, acids, and bases.

  • Glass Microfiber Filters, Ahlstrom 131

    Ahlstrom

    Ahlstrom offers a full range of glass microfiber filters manufactured from 100% pure borosilicate glass. Because of their intrinsic properties, glass microfiber filters have wide applications in many areas of laboratory analysis, especially when fine filtration and high loading capacity is…

  • Glass Microfiber Filter Media, Grade 169

    Ahlstrom

    Ahlstrom binder-free glass filter papers are ideal for use in water and wastewater analysis, gravimetric analysis involving ignition of the sample and filtration of hot gases and liquids. They are recommended for use in environmental applications, biochemical testing, as pre-filters and as direct…

  • Pleated (Fluted) Filter Paper, #509

    Ahlstrom

    Ahlstrom offers a full range of standard pleated grades that meet your needs from grades with rapid flow rates for filtration of viscous materials to grades with tight matrices for removal of fine precipitates. Ahlstrom’s pre-pleated grades can save valuable time and maximize the efficiency of the…

  • Hardened Low Ash Paper, Grade 392

    Ahlstrom

    Suitable for routine gravimetric analysis and typical preparation of samples for use in analysis involving instrumental techniques. Low ash grades have intermediate ash content between qualitative grades and ashless grades. Grade 392 is medium to slowly filtering and used for fast filtration…

  • ReliaPrep™ Nylon (Polyamide) Syringe Filters

    Ahlstrom

    Syringe filters for convenient filtration of small sample sizes through membranes. Nylon (Polyamide) membranes are hydrophilic and widely used in both aqueous and organic solvent filtration applications.They are best used in a pH range of 3-14 and at an operating temperature below 100 degrees Celsius.

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