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…

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,…

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…

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…

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…

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 sterile Whatman MicroPlus-21 cellulose nitrate membrane filters are for microbiological quality control. The STL version is compatible with Membrane-Butler and other membrane filter dispensers. All MicroPlus-21 membrane filters are white with a high-contrast black grid (3.1 mm) …

Whatman non-sterile mixed cellulose ester (MCE) filters from GE are suitable for E. coli culturing, enumeration of bacteria, and other culturing and cell counting methods. Plain and gridded options for ease of colony and cell counting methods Supports visual enumeration of bacteria …

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…

Anopore inorganic membranes (Anodisc), circles, with support ring High pore density and narrow pore size distribution make it an extremely precise membrane. Wide solvent compatibility reduces the need to stock a variety of membranes in the laboratory. No additives used in the manufacturing…

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…

Recommended for microbiological culturing and sample preparation, GE’s Whatman cellulose nitrate membrane filters offer very narrow pore size distribution and low levels of extractables. Sterile membrane filters eliminate the risk of contamination that could impact analysis High strength and…

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…

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 …

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…

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…

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…

Membranes Designed for the Stringent Requirements of Mobile Phase Filtration Membranes are identical in composition and quality to those used in Pall’s HPLC-certified Acrodisc® syringe filters HPLC certification assures that the filters will not add artifacts to your analysis …

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.…

Thomas No. 1210M15 ME 25 Select 21 ST membrane circles white, 47 mm, mixed esters, 0.45 µm, 3.1 mm black grid, sterile, individual packs, 100/pk Thomas No. 1210M16 ME 25 Select 21 ST membrane circles white, 50 mm, mixed esters, 0.45 µm, 3.1 mm black grid, sterile, individual packs, 100/pk…

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…

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…

Whatman Grade GF 92 glass microfiber filters from GE are designed for prefiltration in order to protect against membrane fouling. Grade GF 92 is strengthened with an inorganic binder. Inorganic binder provides increased strength Temperature resistant up to 500°C Medium filtration speed …

GE’s Whatman cellulose acetate membrane filters have very low protein binding, which minimizes sample loss when filtering protein-based aqueous samples. Minimal sample loss in protein-based samples due to low protein binding Pure cellulose acetate composition, minimizing sample contamination …

For use with membrane hardware where extra support is needed for improved flow rate and throughput. For use with membrane hardware where extra support is needed for improved flow rate and throughput. The polyester drain disc is binder free and has a thickness of 100 µm. It provides a flat surface…

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 cell culture membrane filters are made with PVP-free polycarbonate for enhanced cellular adhesion in biological applications such as neutrophil chemotaxis. Cell culture filter suitable for biological applications Thin and uniform cylindrical pores for rapid cell migration Offered…

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. Additionally, Cellulose…

Whatman polyamide membranes are made from pure polyamide making them the universal filter for clarification and sterile filtration. Whatman polyamide membranes are made from pure polyamide making them the universal filter for clarification and sterile filtration. Polyamide membrane filters are…

Microbiological Monitor: The membrane is fixed to the unit. Available 47 mm or 56 mm Features and Benefits: Rapid testing: Pre-sterilized reduces testing time by up to 70% No flaming required: Combined filtration unit minimizes the risk of cross-contamination Filtration…