S-Pak sterile, individually packed, gridded membrane filters are made from mixed esters of cellulose and have been optimized for MF method microbiological analysis of water or other liquids. Type HA (0.45 µm) for total coliform or yeast and mold analysis and type RA (1.2 µm) for yeast…

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…

Cytiva Nuclepore track-etched hydrophilic membrane filters offer a highly defined pore size cutoff in the sub-micron range, enabling particle deformity measurement and capture of extremely small particles. Track-etched for highly defined pore size and high pore density Treated with PVP…

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…

Biologically inert mixtures of cellulose acetate and cellulose nitrate have made MF-Millipore™ membrane filters one of the most widely used membranes in analytical and research applications. Features & Benefits Versatile filter for biological and environmental monitoring…

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…

Broad chemical compatibility Negligible extractables Strong and heat resistant Nylon is a very strong, heat resistant membrane manufactured by impregnating a polyester web with the nylon polymer. Several uniques properties of Nylon make this polymer universally accepted in the…

GVS Life Sciences PM 2.5 PTFE Membrane is a high-purity, thin membrane for PM 2.5 ambient air monitoring. Each membrane is sequentially numbered with a chemically resistant polypropylene support ring. The low tare mass allows for accurate gravimetric determinations. No glues or adhesives are used…

Produced from high-purity nitrocellulose Resistant to mild acids, hydrocarbons, formaldehyde, aniline, isopropyl and petroleum ethers, oils, gasoline and kerosene Attacked by strong acids, bases, ethyl amines, ketones and esters Smooth-surfaced and flexible 0.2 µm pore size…

mdi’s Grid Marked Cellulose Nitrate Membranes feature a convenient surface grid that facilitates quantification of colonies. The Gridded Cellulose Nitrate Membranes are validated for: Inhibitory effect of ink grids on membrane filters per ASTM D 4200-82 Microbial recovery …

The Researcher Green hollow fiber membrane products incorporates our latest glycerin free low extractables modified polyethersulfon membrane technology. All Green Line products are gamma irradiated and ready to use without any tedious prerinse. The Green Line hollow fiber products from WaterSep are…

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…

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…

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. Cellulose Acetate: …

By pressing the lever, the EZ-Pak dispenser delivers a single sterile membrane and automatically collects the protective packaging. No protective papers to separate manually from membrane, eliminating time and contamination risk from handling membranes and packaging Easy-load…

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…

Biologically inert mixtures of cellulose acetate and cellulose nitrate have made MF-Millipore™ membrane filters one of the most widely used membranes in analytical and research applications. Features & Benefits Versatile filter for biological and environmental monitoring…

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…

MicronSep White Packs Available pre-sterilized or autoclavable with gridded surface. Autoclavable filters come in envelopes of 10 filters and 10 absorbent cellulosic pads. The envelopes are designed to withstand normal autoclaving environments and feature an indicator that changes color after…

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'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…

Wide chemical compatibility Naturally hydrophilic Wide range of pore sizes Recommended for: aqueous, solvent and mobile phase filtration; HPLC sample penetration and solvent filtration; clarification and sterilization Autoclavable pH range: 3-12 Manufactured using a…

High-quality nylon membranes are suitable for filtering aqueous solutions and most organic solvents. High-quality nylon membranes are suitable for filtering aqueous solutions and most organic solvents. The membranes are suitable for use with a wide range of biological preparations and can be used…

Nuclepore track-etched polycarbonate membranes are manufactured from high-quality polycarbonate film and have sharply defined pore sizes, high flow rates, and excellent chemical and thermal resistance. The membranes have a smooth flat surface and exhibit very low levels of extractables. …

Overview The Millipore Express PLUS membrane provides ultrafast filtration of tissue culture media, additives, buffers and other aqueous solutions. This high-throughput, low-protein-binding membrane is also used in many of our ready-to-use sterile filtration devices. The Millipore…

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…

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.…

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,…

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…

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…

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…