Depth Filtration Glass Micro Fiber GRADE C - Fine porosity, fast flow rate, with a 1.2 µm size particle retention. Primarily used for RIA procedures and harvesting lymphocytes. Binderless borosilicate glass microfiber. Particle retention: 1.20 µm Filtration speed: 25 seconds Thickness: 0.28…

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…

I.W. Tremont offers a diverse product line of high quality membrane filters available in a variety of materials, diameters and pore sizes and suitable for a wide range of applications including cell retention, In Vitro Diagnostics, particle collection, clarification and sterile filtration of…

Depth filtration glass micro fiber GRADE F - Fine porosity, medium flow rate, with a 0.7 µm size particle retention. Frequently used with Grade D to filter diluted aqueous solutions containing strong oxidizing, acidic, or alkaline components prior to laser spectroscopy. May also be used for TCLP…

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…

Depth filtration glass micro fiber GRADE A - Fine porosity, fast flow rate, with a 1.6µm size particle retention. Frequently used in the filtration of precipitated proteins and cells. Ideally suited for use as a filter for radioimmuno assay of weak beta emitters by scintillation…

ValuSep® 5um Glass Micro Fiber (GMF) prefilters are made of two separate layers of glass fiber in a very thin format for highly efficient capture and retention of particles that could prematurely clog an SPE filter.

Quantitative cellulose filter papers are primarily used in gravimetric analysis procedures and perform separations by entrapping particulate within the random matrix of cellulose fibers within the depth of the media. This media family is also widely used in methods to prepare samples for further…

Depth Filtration Glass Micro Fiber GRADE D - Coarse porosity, fast flow rate, with a 2.7 µm size particle retention. Well suited for higher volume and repetitive laboratory filtering. Also ideally used as a general pre-filter to extend primary filter life. Binderless borosilicate glass…

Depth filtration glass micro fiber GRADE E - Fine porosity, fast flow rate, with a 1.3 µm size particle retention. This material is an economical media for suspended particle analysis in water, cell harvesting, pre-filtration and air monitoring applications. Binderless borosilicate…

Depth filters with high particle loading capacity. Made of 100% borosilicate. Temperature resistant up to 500 °C. Typically placed directly on top of other membrane filters to act as a prefilter; or may be used to filter solutions directly.

Depth filtration glass micro fiber GRADE A-E - Fine porosity and fast flow rate, with a 1.0 µm size particle retention. Binderless borosilicate glass microfiber. DOP efficiency is 99.98%. Primarily used in suspended solids and air monitoring. Particle retention: 1.00 µm …

Qualitative cellulose filter papers perform separation by entrapping particulate within the random matrix of cellulose fibers within the depth of the media. This media is widely used in methods requiring the determination and identification of particulate in both liquids and gas. Also, this natural…

Designed for very fine precipitates Slow filtering speed; 1 µm particle retention High retentivity, which retains very fine crystalline precipitates such as cuprous oxide, lead sulfate, barium sulfate and manganese carbonate Thickness approximately 0.20 mm, 1.5 µm pore size

Phase separator paper

Designed for general qualitative laboratory work Fast filtering speed; 25um particle retention Low retentivity, which retains coarse or gelatinous precipitates such as aluminum hydroxide, cobalt carbonate, mercury iodide and magnesium hydroxide Creped surface; thickness approximately…

Glass microfiber filters offered in this product range are produced from 100% borosilicate glass microfiber without the use of binders or strengthening agents. These filters offer many advantages in a wide range of analytical applications. The fibers used to manufacture these depth filters are…

Depth filters with high particle loading capacity. Made of 100% borosilicate. Temperature resistant up to 500 °C. Typically placed directly on top of other membrane filters to act as a prefilter; or may be used to filter solutions directly.

Depth filtration glass micro fiber GRADE B - Fine porosity, medium to fast flow rate, with a 1.0 µm size particle retention. Ideally suited for the collection of biochemical polymers that have been precipitated by denaturation. This material is twice as thick as Grade A with a higher loading…

Advantec Glass Fiber Filters are depth filters made of pure borosilicate glass microfibers. Organic binder gives these filters higher wet strength and lower fiber release compared to binder-free grades. Thermostable to 120°C. Recommended for high pressure filtration, applications requiring wet…

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

Advantec Glass Fiber Depth Filters feature high-loading capacity, fast flow rates, are highly resistant to chemical attack, and biologically inert. General purpose and clarifying filtration grades. Binder-free and thermostable to 500°C. Grade GA55 is a thin filter recommended for…

Designed for general qualitative laboratory work Medium filtering speed; 6 µm particle retention Medium retentivity, which retains medium crystalline precipitates such as aluminum phosphates, barium carbonate and lead chromate Thickness approximately 0.15 mm 6 µm pore size

Depth filtration glass micro fiber 934-AH® - Fine porosity, fast flow rate, with a 1.5 µm size particle retention. This material is the standard for volatile suspended solids content and related measurements (Standard Methods 2540D and EPA Method 160.2). Also widely used in cell harvesting…

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…

6514F35 Ogg Flask of borosilicate glass, with Standard Taper 35/25 socket mouth; without stopper or sample carrier. 1233S49 Platinum Ogg Sample Carrier has a perforated aluminum sheet. It features a 13 mm deep basket on lower end that takes the paper-wrapped sample. 6514F40 Stopper fits the 1,000…

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 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…

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 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…

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…