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Ahlstrom

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  • 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…

  • 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…

  • Cellulose Extraction Thimbles

    Ahlstrom

    Ahlstrom‘s high purity cellulose extraction thimbles are most commonly used in Soxhlet extraction units for the separation of individual components from a mixture of solids and semisolids by solvent extraction. The use of a Soxhlet extractor provides a safe method of extraction with toxic or…

  • 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…

  • pH Papers and Test Strips

    Ahlstrom

    Ahlstrom offers a range of test papers for rapid determination of pH and other conditions. Universal pH indicator papers are available in a roll of 5m in a plastic case, a refill pack of 3 reels for that case, and in a box of 200 strips. pH test strips, which have small squares of paper, each…

  • 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 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…

  • Microfiber Quartz Filters, Grade MK5

    Ahlstrom

    Ahlstrom offers a binder-free high purity quartz microfiber filter intended for airborne particulate monitoring in high temperatures and aggressive atmospheres. Grade MK 5 has temperature resistance for applications up to 1000°F and contains a low amount of trace elements.

  • Polyshield® Fluid Barrier Filters

    Ahlstrom

    Product description: POLYSHIELD® features a smooth, firm surface that does not inhibit upright stability of bottles or tubes, and allows for easy recovery of dry spills. Disposal is safe because POLYSHIELD® ashes readily upon incineration.* POLYSHIELD® is available in sheets, rolls, or…

  • 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.

  • 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.…

  • 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™ Polyether Sulfone Syringe Filters

    Ahlstrom

    Syringe filters for convenient filtration of small sample sizes through membranes. Polyether sulfone membranes are hydrophilic membranes that offer excellent flow rates with low protein adsorption. The membranes are chemically inert, can be used at a pH of 1 to 13 and operating temperatures below…

  • 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.

  • Quantitative Filter Papers, Ahlstrom 55 (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 Papers, Ahlstrom 609

    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 requires…

  • 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…

  • 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…

  • 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…

  • GenSaver™ Specimen Collection Cards

    Ahlstrom

    Ahlstrom's GenSaver™ cards are treated with a new-to-market proprietary chemistry for the long-term stabilization of DNA. Stabilizing chemistry prevents environmentally induced degradation for a currently tested shelf life of 20 years. Nucleic acids can easily be extracted from the…

  • 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…

  • 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…

  • 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…

  • 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…

  • Quantitative Filter Papers, Ahlstrom 75 (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…

  • Quantitative Filter Papers, Ahlstrom 95 (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…

  • Polyshield Fluid Barrier

    Ahlstrom

    Surface protector for chemical cabinets, laboratory benches and hoods Pure cellulose paper with an impermeable polyethylene coating on one side Tear resistant, wet or dry Smooth white base paper side may be marked with ink or pencil Cost effective Polyshield Fluid Barrier…

  • GenCollect™ Specimen Collection Card

    Ahlstrom

    Simple Collection - Easy Extraction - Reliable Analysis Ahlstrom GenCollect™ card is an easy and cost effective way to collect and store biosamples at ambient temperature.  They are suited for a wide range of applications including:     Genotyping    …

  • ReliaDisc™ Cellulose Acetate Membrane Filtration Media

    Ahlstrom

    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 an operating temperature below 180 degrees Celsius.

  • Qualitative Filter Papers, Ahlstrom 642

    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 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…

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