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,…

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…

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…

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…

GE’s Nuclepore black membrane filters are polycarbonate track-etched (PCTE) membranes with high particle visibility for standard plate count and epifluorescence microscopy applications. Smooth, gridded PCTE membrane surface efficiently supports microorganism enumeration in a standard plate count…

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…

GE’s cellulose nitrate Whatman membrane filters offer narrow sub-micron pore size distribution and low extractable levels. Very fine particles can be retained for recovery or microscopic viewing. Standard membrane filter for most applications involving particles and cells from 0.1 µm to 12.0 µm …

GE’s clear Whatman polycarbonate membrane filters are made from a pure polymeric film that provides exceptional chemical cleanliness during microfiltration, as well as high visibility under the microscope. Contaminant free to minimize chemical leaching Low tare weight and minimal water…

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,…

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…

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…

Whatman cellulose acetate membranes made from pure cellulose acetate making them suitable for biological and clinical analysis, sterility tests, and scintillation measurements. Cellulose acetate membrane filters exhibit very low protein binding capacity. They are hydrophilic making them…

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…

Whatman cellulose acetate membranes made from pure cellulose acetate making them suitable for biological and clinical analysis, sterility tests, and scintillation measurements. Cellulose acetate membrane filters exhibit very low protein binding capacity. They are hydrophilic making them…

Higher dirt loading capacity. Excellent contrast for easier particle detection. No surfactants to contaminate samples. Biologically inert with good thermal stability. Sterile options available for critical applications. Black plain and black gridded membranes have a mix of cellulose…

Cellulose nitrate membranes, circles, plain Narrow pore size distribution for improved surface capture and analysis. Low levels of extractables to ensure sample integrity. Recommended for the majority of routine applications, this membrane is manufactured under strictly…

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…

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…

Membrane-Butler, manual butler for dispensing filtration membranes High reliability. Simple handling with foot switch and stepper motor (applies only to Butler E). Cross contamination risks are minimized. Membrane dispensed rapidly. Highly suitable for use on sterile benches. Compact…

GE’s Whatman brand Cyclopore black membrane filter is a polycarbonate track etch membrane (PCTE membrane) that provides a contrast background for epifluorescence and other microscopy applications. High sample visibility, provided by the black membrane filter surface Negligible absorption and…

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…

Whatman PTFE membranes from GE are strong hydrophobic membrane filters resistant to the corrosive solvents and aggressive media used in gas sterilization and liquid clarification. Polypropylene grid support material for increased strength Temperature resistant up to 120°C Resistant to most…

The membrane offers a high degree of internal surface area for greater adsorption of product. Higher dirt loading capacity. Black plain and black gridded membranes have a mix of cellulose nitrate and cellulose acetate. Uniform microporous structure of membrane gives high flow rates. No…

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…

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.

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…

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 cellulose nitrate and cellulose acetate. The membrane…

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…

Anopore inorganic membranes (Anodisc) from GE are well suited for a variety of filtration applications. With a novel aluminum matrix and honeycomb pore structure, Anodisc facilitates controlled filtration. Extreme precision due to high pore density and narrow pore size Virtually transparent…

The membrane marking pen is a high-xylene, felt-tipped marker that permanently writes on nitrocellulose and nylon membranes used in standard transfer procedures. The membrane marking pen is a high-xylene, felt-tipped marker that permanently writes on nitrocellulose and nylon membranes used in…

Whatman mixed cellulose ester membranes are composed of cellulose acetate and cellulose nitrate. These membranes are characterized by a smoother and more uniform surface than pure nitrocellulose filters. Also, the color contrast provided by the filter surface facilitates particle detection and…

Black Cyclopore membranes are highly suitable for epifluorescence and other microscopy applications requiring a contrasting background. The polycarbonate membrane is used to filter the sample and is then used directly for analysis. The dark membrane gives lower background fluorescence and improves…