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,…

These 47-mm diameter, 0.45-µm pore size GN-Metricel membrane filters meet or surpass all U.S. Environmental Protection Agency (USEPA) and American Society for Testing and Materials (ASTM) specifications to ensure complete retention and maximum recovery of bacteria. Phosphate free. Plain. Non-Sterile.

Filter holders designed for microfiltration and ultra cleaning of small volumes of liquids using positive pressure. Designed for microfiltration and ultra cleaning of small volumes of liquids using positive pressure. All three holders will accommodate Nuclepore track-etched and cast membranes. …

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…

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. …

Recommended for the majority of routine applications, this membrane is manufactured under strictly controlled conditions. The user will benefit from the performance improvements that are now available in Whatman membrane filters, including very narrow pore size distribution and low levels of…

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…

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…

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…

GE’s 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 to render…

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…

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…

Membrane holder produced from borosilicate glass, suitable for aqueous and organic solvent filtration. Membrane holder produced from borosilicate glass, suitable for aqueous and organic solvent filtration. Vacuum type glass holders Produced from borosilicate glass and available with a choice of…

GE’s Whatman Cyclopore polycarbonate membranes are true pore size microporous membranes featuring the sharp cut-off and reproducible microfiltration characteristics of track-etched membrane filters. Low affinity for stains improves visibility under a microscope Negligible absorption and…

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…

Whatman sterile MCE membrane filters from GE Healthcare’s Life Sciences business are plain or gridded filters designed to support routine cell counting and particle detection. Excellent contrast for easy particle detection High internal surface area for sample adsorption High dirt loading…

GE’s Whatman PM2.5 PTFE membrane filters are designed for PM 2.5 ambient air monitoring. These high-purity, thin filters are sequentially numbered and come with chemically resistant polypropylene support rings. Polypropylene support rings for robotic air sampling Thermally stable design…

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.…

Cellulose nitrate membranes, circles, plain Narrow pore size distribution for improved surface capture and analysis. Low levels of extractables to ensure sample integrity. Narrow pore size distribution for improved surface capture and analysis.Low levels of extractables to ensure sample…

Certified 0.45 µm membrane for microbiological analysis meets or surpasses regulatory specifications Mixed cellulose esters is the most accepted filter media for microbiological analysis, and provides maximum recovery of organisms Unique dot grid pattern gridline provides guidance…

Whatman PTFE membrane filters from GE Healthcare’s Life Sciences business are chemically stable and inert, making them suitable for use with aggressive organic solvents, strong acids, and alkalis. The TE range features polypropylene support material for improved strength and handling …

Overview Durapore ®  membranes provide high flow rates and throughput, low extractables and broad chemical compatibility. Hydrophlic Durapore® membrane binds far less protein than nylon, nitrocellulose, or PTFE membranes. Features & Benefits Available in…

GE’s Whatman regenerated cellulose membrane filters are microporous cellulose acetate filters made without wetting agents. RC60 offers low extractables and wide compatibility in both organic and aqueous media. Spontaneous wetting with very good wet strength Chemical resistance suitable for a…

GE’s Whatman Cyclopore polycarbonate membranes are true pore size microporous membranes featuring the sharp cut-off and reproducible microfiltration characteristics of track-etched membrane filters. Low affinity for stains improves visibility under a microscope Low protein binding minimizes…

Available pore sizes: 0.45µm and 0.80µm Color: Black or Green Surface: Gridded Packaging: Individually Wrapped and with or without Absorbent Pad. Pleated band for dispensers available. Advantec Mixed Cellulose Esters (MCE) colored membranes…

Mixed cellulose ester, WME range, circles, gridded Sterile options available for critical applications. Excellent contrast for easier particle detection. Grids are nontoxic and do not inhibit bacterial growth, ensuring sample integrity. Black plain and black gridded membranes have a mix of…

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…

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…

Whatman PTFE membranes are chemically stable and inert. They are suitable for applications involving aggressive organic solvents, strong acids, and alkalis. PTFE membranes are particularly suitable for preparing samples for HPLC analysis. The hydrophobic nature of the membrane also has applications…

Membrane filters for asbestos sampling and analysis Controlled pore size distribution Smooth flat membrane: particles are retained on surface and easily visible during optical analysis Nuclepore membranes available in two versions: gold coated or uncoated Asbestos analysis is…

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…

Low protein binding and low extractables ensuring no sample contamination. High chemical resistance and good thermal stability for a wide range of samples. Low, consistent ash and low tare weights. Smooth flat surface for good visibility of particles. Low protein binding and low extractables…