Filter Paper

…analysisWhatman Grade 40 high-purity filters from Cytiva business are general-purpose papers for quantitative analysis. Grade 40 filters are suitable for a variety of analytical filtration applications. Cytiva offers a range of Whatman ashless filter paper for your gravimetric analysis needs.…

…filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 1: 11 µm The most widely used filter paper for…

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…

…filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 4: 20-25 µm Extremely fast filtering…

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…

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

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…

…determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 1: 11 µm The most widely used filter paper for routine applications with medium retention and…

The most widely used qualitative filter paper for routine applications. Medium porosity and flow rate. 100 circles packed in a cardboard box. Superior quality neutral filter paper. Suitable for medium filtration, very low ash content.

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.

…cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 4: 25 µm Extremely fast filtering with…

Quantitative filter papers: Ashless quantitative filter papers are made of refined pulp and cotton linters with over 95% alpha-cellulose content. These filter papers are guaranteed to be free of any residual acids and have an ash content of

…Qualitative Filter Papers are made of 100% cotton linter cellulose. Primarily used for clarifying and removing precipitates (ppt) and preparation for quantitative analysis. These papers can be used over a pH range from 0-12 and a maximum temperature of 120°C. Ash content of 0.1%. Papers have…

Characteristics: white, crepe, cellulose with wet strength resin

Advantec Quantitative Ashless Filter Papers are made from the highest quality alpha cotton cellulose. One critical step in the manufacturing process of these filter papers is acid washing. All grades are double acid washed in hydrochloric then hydrofluoric acid to reduce levels of SiO2, CaO, and…

38 mm diameter Fits all sizes of Thomas series 5119B02 Flasks

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

Grade 470 papers are made of cellulose and diatomaceous earth and offer a much better separating capability than pure cellulose papers at the same rate of filtration. This grade quickly retains the finest particles at high flow rates.

Ahlstrom 615 has a rough surface and is used for filtering aluminum, ferric and magnesium hydroxides. It is also found in general construction filtration work and in the filtration of insoluble iron and ore. Filtration Speed Herzberg sec/100mls: 29 Loading Capacity: High

…premium filtration paper that is FDA CFR 21 compliant and has a recall traceability protocol to ensure GMP compliance.  This paper is more expensive than low-quality brands, but the premium is well worth the peace of mind. Paper diameter: 760mm Fits: 800mm Sambo Creeck Filter Trolley

A deep black, qualitative paper for filtering light colored sediments, etc. Medium speed Retains crystalline precipitates of medium fineness 6 µm pore size

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…

…retention of all Whatman cellulose filter papers from Cytiva . Ashless: 0.007% ash maximum for Grades 40 to 44. These are very pure filters suitable for a wide range of critical analytical filtration procedures. Whatman quantitative filters from Cytiva are designed for gravimetric…

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…

…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 fiber filter paper is…

…TCLP Filter This grade has similar performance properties to Grade 151 and is made with acid-treated borosilicate glass microfibers with inherently low levels of barium and zinc. The filter media contains no binders or other additives that may cause interference with samples. The filters resist…

…efficiency rating of the filter is characteristic of the complex pore structure that develops as the fibers overlap. The fibrous material within the filter is commonly glass micro fiber or polypropylene. In depth filters such as glass micro fiber, the purity of the filter is dictated by the presence…