Microporous filters with precisely controlled pore size Hydrophilic- treated with PVP Smooth, flat surface Recommended for: water analysis and oceanography; surface capture for analysis; chemotaxis; microscopy; cytology (3, 5 and 8 µm); low protein binding applications pH…

Mesh Screens for Macrofiltration Separations Spectrum provides a broad range of Spectra/Mesh Woven Filters that consist of individual strands woven into a mesh screen, characterized by precise mesh openings, percent open area and mesh thickness. There are 5 material types with different physical,…

Sartorius membrane filters are available in a wide range of pore sizes, membrane types and diameters to fit the extensive array of applications being performed in the laboratory. Available in diameters from 13mm to 90mm and pore sizes from 0.1 to 8µm depending on material. Additionally, Cellulose…

mdi’s Cellulose Nitrate Membrane Disc Filters are hydrophilic, non-media migrating, biologically inert, plain white absolute membrane filters which offer a number of key features: Absolute retention High flow rates The Cellulose Nitrate Membranes are validated for: …

Optional support backing for improved handling Filter corrosive solvents Sterile venting Protect pumps and machinery from aqueous aerosols PTFE membrane is a thin, highly porous film that behaves as an absolute retentive membrane. Their inherently hydrophobic nature make PTFE…

For contamination analysis Transparent, disposable filter holders made from Tenite® plastic and pre-assembled with MF-Millipore filters (effective filtration area is 9 cm 2 ). A thick cellulose pad, 34 mm diameter, between the monitor sections seals the filter to distribute sample flow…

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…

Overview The Isopore membrane is a polycarbonate, track-etched screen filter recommended for all analyses in which the sample is viewed on the surface of the membrane. Isopore membrane offers distinct advantages for the analysis of airborne contaminants and other particles using optical or…

Filter both aqueous and organic solvents Optically clear when wet Hydrophilic PTFE membranes are a thin, unsupported, highly porous film that offers maximum chemical and pH resistance to a broad range of aqueous and organic solvents. This membrane exhibits high flow rates with minimal…

For both aqueous and organic solvent filtrations Hydrophilic Low level of extractables Nalgene nylon membranes are ideal for use with HPLC solvents and ultracleaning solutions for electronic laboratories. They are useful for the sterilization and clarification of buffers and culture media.…

Mesh Screens for Macrofiltration Separations Spectrum provides a broad range of Spectra/Mesh Woven Filters that consist of individual strands woven into a mesh screen, characterized by precise mesh openings, percent open area and mesh thickness. There are 5 material types with different physical,…

EZFlow 25mm, 47mm, and 90mm membrane disc filters are used to retain particles or microorganisms by surface capture. The membrane disc filters are available in 0.22µm or 0.45µm pore sizes. The Nylon membrane is has great chemical resistance and makes them ideal for filtering more aggressive…

EZFlow 25mm, 47mm, and 90mm membrane disc filters are used to retain particles or microorganisms by surface capture. The membrane disc filters are available in 0.22µm or 0.45µm pore sizes. The Hydrophobic PTFE membrane is bonded to a polypropylene support and due to its extreme chemical…

Lowest protein binding filter available Hydrophilic Higher strength Recommended for sterilization applications including tissue culture media, protein, enzyme and biological fluid pH range: 1-14 Modified, pure cellulose acetate offers the lowest binding of any available…

Advantec's Coated Cellulose Acetate composition is cellulose acetate cast onto a non-woven polyester support. It offers low protein binding and is non-fiber releasing. Cellulose acetate has a low static charge matrix with enhanced chemical compatibility to low molecular weight alcohols. The…

Demonstrates superior recovery of micro-organisms (46118B10 and B30) Best suited for microbial analysis in water quality work, sterility testing, and food and beverage testing Conforms to standard methods and can be autoclaved at 121°C Non-sterile, 47 mm diameter Packaged and sealed in…

The Discover12 hollow fiber cartridges are the product of choice for membrane screening, or for generating early scale-up data for process development. It’s also a perfect tool for scale down studies, in trouble shooting large scale processes. Discover12 are ideal for processing small…

EZFlow® 90mm Glass Fiber membrane disc filters are manufactured from Borosilicate glass without binders. These glass fiber disc filters have good solids holding capacity and can be used as pre-filters for heavily contaminated solution samples. The glass fiber membrane disc filters have high…

Available pore sizes: 0.10µm, 0.20µm, 0.30µm, 0.45µm, 0.65µm, 0.80µm, 1.0µm, 3.0µm, 5.0µm Colors: White, Black, and Green Surfaces: Gridded or Plain, with or without Hydrophobic Edge (HE) Nonsterile bulk pack Mixed…

For accurate testing and sample processing, and to assure traceability, membrane catalogue number, lot number, pore size and sequential number (from 1 to 150) are printed on the clear, protective cover of every membrane cell. Unused membranes remain safely packed in pleated band. No special…

Available pore sizes: 0.10µm, 0.20µm, 0.30µm, 0.45µm, 0.65µm, 0.80µm, 1.0µm, 3.0µm, 5.0µm Colors: White, Black, and Green Surfaces: Gridded or Plain, with or without Hydrophobic Edge (HE) Nonsterile bulk pack Mixed…

Sterile Mixed Cellulose Esters (MCE) Membrane Filters - White Available pore sizes: 0.20µm, 0.45µm, 0.65µm, 0.80µm, 1.0µm, 3.0µm Color: White Surface: Gridded or Plain, and with or without Hydrophobic Edge (HE) Packaging: Individually wrapped or…

Sartorius offers a broad range of ultrafiltration membrane discs for sample concentration in your stirred cells. You can choose from membrane discs from 13 mm to 300 mm in diameter, pore sizes from 1 to 300 kilodaltons and three different membrane materials depending on the application. …

ValuSep® 5um Polypropylene (PP) prefilters are very open and thick, hydrophobic prefilters made of polypropylene fibers. They protect the SPE filter from premature clogging due to particulate ladden wastewaters.

Mesh Screens for Macrofiltration Separations Spectrum provides a broad range of Spectra/Mesh Woven Filters that consist of individual strands woven into a mesh screen, characterized by precise mesh openings, percent open area and mesh thickness. There are 5 material types with different physical,…

Aggressive chemical compatibility Inherently hydrophobic Laminated and unlaminated Unlaminated membranes are more compatible with strong acids, aggressive solvents and high temperatures Recommended for: aggressive solvents, strong acids or base filtration; sterilization,…

Broad chemical compatibility Hydrophilic Low protein binding Recommended for: aqueous and organic solvent filtration; HPLC sample preparating requiring low detection levels; ion chromatography; total digest for heavy metals pH range: 1-14 Composed of pure polypropylene…

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…

Mesh Screens for Macrofiltration Separations Spectrum provides a broad range of Spectra/Mesh Woven Filters that consist of individual strands woven into a mesh screen, characterized by precise mesh openings, percent open area and mesh thickness. There are 5 material types with different physical,…

Extend filtration life and consistency with replaceable frits Protects systems from damaging particulate matter Provides uniform porosity for longer filtration life Inexpensive replacement of frits saves time and money vs. cleaning

Membrane filters for quantitative determination of microorganisms in QC analysis. Cellulose Nitrate (Cellulose Ester) and Cellulose Acetate filters are offered with or without a hydrophobic edge and/or grid, respectively. Sterile membranes are individually, packaged and are optionally available in…

For chemotaxis and venting applications Smooth flat surface Recommended for: chemotaxis, cell studies, PVP-free for coating applications Hydrophobic polycarbonate membrane filters are identical to the standard PCTE filters except they are manufactured without the wetting agent.…