Excellent choice for use in environments with extreme temperature up to 900°C and/or aggressive chemical exposure. Retention loading and air flow permeation similar to glass microfiber filters. Use wherever filters of the highest purity are needed.

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…

From Very Fast Filtration to Very Slow Filtration, the wide range of GVS Quantitative Papers provide the right solution for any application need. Highest retention and very slow flow Extremely difficult filtrations Analytical precipitates: barium sulphate, matastannic acid and finely precipitated…

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…

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

Qualitative filter papers: Made of refined pulp and cotton linters with more than 95% alpha cellulose content. The ash content of these filter papers is < 0.1% and they are essentially used for qualitative analysis. Sartorius offers two categories of qualitative filter paper: those that are wet…

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…

From Very Fast Filtration to Very Slow Filtration, the wide range of GVS Quantitative Papers provide the right solution for any application need. Highest retention and very slow flow Extremely difficult filtrations Analytical precipitates: barium sulphate, matastannic acid and finely precipitated…

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…

Phase separator paper

High retentivity, perfect for general laboratory filtering and qualitative analysis 10µL (micron) pore size Medium speed (85gsm) Pack of 100 circles Premium quality filter paper for use in labs. Medium speed. Pore size: 10µL. Pack of 100 circles.

Glass Fiber membranes with a binder are usually recommended for filtrations of long duration under pressure. Glass Fiber Filters Binder Free are designed for solvent filtration or gravimetric analysis to avoid binder extractables. Filters without binders are recommended for analytical and…

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…

ValuSep® Solid Phase Extraction (SPE) filters for EPA Method 1664A are designed to provide high recovery and low blank values in Horizon® SPE-DEX® and SPE manifold EPA Method 1664A applications. Each SPE filter consists of glass fibers which have been chemically modified so they retain…

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

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…

GVS Vent Filters are available with connectors 6-12mm and are individually packaged either sterile or non-sterile. These devices are available with PTFE membranes, Polypropylene housing, and 0.20µm or 0.45µm pore size.

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…

GVS Qualitative Filter Papers are the standard for laboratory filtration. Using the highest quality material, GVS Qualitative Filter Papers have enhanced mechanical strengths, quality level, and reliability. These filter papers are used for qualitative analysis. Qualitative filter papers are…

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…

For routine lab work. Suitable for for filtration or spot tests used in microbiology; such as oxidase and indole; 9.0cm diameter. Medium porosity. Medium flow rate. 5um particle retention.

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…

Our general-purpose filter papers are available in a variety of diameters. Sold in boxes of 100 pieces of paper. PRODUCT WARNINGS Our products are not toys . Use in a laboratory or educational setting only. Not for children 13 and under.

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.…

GVS offers a wide range of glass microfiber filters made of 100% borosilicate glass fibers without binders. The depth structure of the filter with its large surface area provides an outstanding impurity retention capacity combined with a low filter resistance.

GVS filter papers are the standard for laboratory filtration. Suitable for Buchner funnels and filtration under pressure. Using the highest quality material, the GVS filter papers have an enhanced mechanical strengths, quality level, and reliability. GVS offers both qualitative and quantitative…

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 Fiber membranes with a binder are usually recommended for filtrations of long duration under pressure. Glass Fiber Filters Binder Free are designed for solvent filtration or gravimetric analysis to avoid binder extractables. Filters without binders are recommended for analytical and…

Non-Toxic Brown Towels for Seed Testing.

Glass fiber filters adsorb the finest particles down to 1µm from liquids and

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…