This super thick grade is one of the thickest papers on the market, and offers extremely high flow. It is recommended both for electrophoresis of large molecules and as a blotter to complete the blotting sandwich in gel transfer applications. This blotting paper provides a smooth and uniform…

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…

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…

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.

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…

Ahlstrom manufactures high quality analytical filter papers for use in specialty end use applications. These custom designed qualitative grades are manufactured from top quality cotton linters using ultra-pure, reverse-osmosis water. Ahlstrom specialty analytical filter papers include pleated and…

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…

Ahlstrom's AutoCollect™ cards are designed for use in automated high throughput punching and sample preparation applications. This rigid card has 4 circles printed on the TFN collection area with accurate and consistent positioning for sampling of whole blood, saliva, or oher…

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…

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…

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…

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…

Low ash grades have intermediate ash content between qualitative grades and ashless grades. Grade 391 is slowly filtering and used for fine-grained precipitates such as barium sulfate, metastannic acid, and cuprous oxide. Retention of 2-3 microns.

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…

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.

This glass microfiber grade is a smooth surface, binder-free filter with unique high temperature resistance. It offers fine particle retention and product stability to over 500 degrees Centigrade. The temperature resistance makes Grade 169 well-suited for suspended solids determination, volatile…

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…

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

Ahlstrom offers three microfiber glass grades for use in the toxicity characteristic leaching procedure (TCLP) as described in EPA Method 1311. Grade 193 – Low Metal TCLP Filter This grade has similar performance properties to Grade 151 and is made with acid-treated borosilicate glass…

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…

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…

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…

This medium thick paper offers extremely high flow and is recommended for both electrophoresis of large molecules and as a blotter to complete the blotting sandwich in gel transfer applications. The smooth and uniform texture assures continuous contact of buffer from the chamber through the gel and…

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.…

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…

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

Glass thimbles are used to sample dust particles and aerosols from gaseous streams in the analytical registration of environmental pollution and for Soxhlet extractions requiring solvents too aggressive for the cellulose thimbles.

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…

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…