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Membrane Filters

Membrane filters serve as effective physical barriers that remove solids, viruses, bacteria, and other unwanted molecules. Specialized types are designed for softening, disinfecting, organic removal processing, and water desalination. The filters can be installed in compact, automated, or modular units. These strainers can be used as separators between stacked discs in a single filter holder during serial filtration. Membrane filters are virtually inert to chemical and biological agents, ensuring stability when filtering concentrated acids, alkalis, or oxidizers.

Membrane filters, type 131

Membrane filters, type 131

Supplier: Sartorius

Non sterile membrane filters for colony counting, particle testing, microscopy and sterility testing. The membrane filters are made of cellulose nitrate (cellulose ester).

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Membrane filters, cellulose nitrate

Supplier: Sartorius

These cellulose nitrate membranes are suitable for air monitoring.

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Membrane filters with grid

Membrane filters with grid

Supplier: Sartorius

Cellulose nitrate hydrophilic, gridded membrane filters for colony counting, particle testing and microscopy, with outstanding recovery rates for microorganisms.

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Membrane disc filters

Membrane disc filters

Supplier: Cytiva (Formerly Pall Lab)

Strong, chemically resistant membranes for air monitoring and sampling in aggressive environments.

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Membrane filters, type 154

Membrane filters, type 154

Supplier: Sartorius

PES membrane filters are hydrophilic, have high flow rates thanks to the symmetric structure, have a low non-specific protein adsorption and are chemically resistant over a pH range of 1 to 14. They are recommended for the filtration of aqueous solutions as well for the protein filtration. Furthermore, the low level of extractables makes them suitable for environmental analysis.

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Membrane disc filters, Supor® PES

Membrane disc filters, Supor® PES

Supplier: Cytiva (Formerly Pall Lab)

Hydrophilic PES Supor® membrane for reduced filtration time, optimised for biological, pharmaceutical and sterilising filtration requirements.

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Membrane filters, nitrocellulose, Whatman™

Membrane filters, nitrocellulose, Whatman™

Supplier: Whatman products (Cytiva)

A polyester backed and highly consistent membrane for use with low viscosity samples in a lateral flow assay.

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Membrane filters, type 118

Membrane filters, type 118

Supplier: Sartorius

PTFE hydrophobic membrane filters. For filtration of air, gases, solvents and acids. Sterilisation by autoclaving or ethylene oxide.

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Membrane filters, BOLA

Membrane filters, BOLA

Supplier: Bohlender

Membrane filters made of microporous PTFE, with 0,2 mm thickness.

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Ultrafiltration membrane filters, PES

Ultrafiltration membrane filters, PES

Supplier: Sartorius

These are general purpose membrane that provide excellent performance with most solutions when retentate recovery is of primary importance.

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Membrane Disc Filter

Supplier: LIOFILCHEM

Mixed cellulose ester membrane for the isolation and enumeration of bacteria by membrane filter technique.

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Membrane filters, track etched

Membrane filters, track etched

Supplier: Sartorius

Membrane filters manufactured from high grade PC film using track etch technology. Applicable for particulate analysis, epifluorescence miroscopy, fluid clarification, cytology, cell biology, bioassays, water microbiology, environmental analysis.

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Membrane disc filters

Membrane disc filters

Supplier: Sartorius

Gelatine membrane filters in conjunction with the MD8 air samplers (gelatine filter method) are used for the collection of airborne microbes and viruses. These filters are completely water-soluble, therefore, microbes in one sample can be cultivated in different nutrient media or low and high bacteria counts can be measured.

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Membrane disc filters, wwPTFE (water wettable PTFE)

Membrane disc filters, wwPTFE (water wettable PTFE)

Supplier: Cytiva (Formerly Pall Lab)

The next generation of universal hydrophilic PTFE membrane with maximum chemical compatibility when filtering both aqueous solutions and aggressive solvents.

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Ultrafiltration membrane filters, cellulose triacetate

Ultrafiltration membrane filters, cellulose triacetate

Supplier: Sartorius

These membrane filters have high hydrophilicity and exceptionally low non-specific binding characteristics. These membranes are ideal for sample cleaning and protein removal and when high recovery of the filtrate solution is of primary importance.

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Separator depth filters

Separator depth filters

Supplier: Cytiva (Formerly Pall Lab)

Good prefilter made from PP/PE for heavily particulateladen and viscous fluids. Can be used as separators between stacked discs in a single filter holder during serial filtration.

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Membrane disc filters, Savana®

Supplier: ENTEGRIS

These filter disc series with non-woven PP media can be used for simple, quick and efficient filtration of fluids used in laboratory, pilot and small scale applications. Can be used for clarification of acids, bases and solvents.

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Membrane filters, Microsart® e.motion

Membrane filters, Microsart® e.motion

Supplier: Sartorius

These sterile cellulose nitrate and PES Microsart® e.motion membrane filters can be used for colony counting, particle testing and microscopy. They are specifically designed for use in the Microsart® e.motion dispenser.

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Sentino® Dispenser Pack Refills for Membrane Filter Dispenser

Sentino® Dispenser Pack Refills for Membrane Filter Dispenser

Supplier: Cytiva (Formerly Pall Lab)

These membranes have been designed specifically for use with the Sentino® automatic filter dispenser.

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Membrane filters with grid

Membrane filters with grid

Supplier: Sartorius

Hydrophobic cellulose nitrate and cellulose acetate gridded membrane filters for colony count and sterility testing, with outstanding retention rates for microorganisms.

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Membrane filters Nuclepore™ track etched, Whatman™

Membrane filters Nuclepore™ track etched, Whatman™

Supplier: Whatman products (Cytiva)

Nuclepore™ track-etched hydrophilic membrane filters offer a highly defined pore size cut-off in the submicron range, enabling particle deformity measurement and capture of extremely small particles. The membranes have sharply defined pores, high flow rates, and excellent chemical and thermal resistance. They are suitable for a variety of samples and applications, including microscopy, cytology, parasitology, and certain air and oceanography analyses.

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Nylaflo™ Membrane Disc Filters

Nylaflo™ Membrane Disc Filters

Supplier: Cytiva (Formerly Pall Lab)

Naturally hydrophilic highly versatile laboratory membrane filter.

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Membrane dialysis discs and sheets, Spectra/Por®

Membrane dialysis discs and sheets, Spectra/Por®

Supplier: Spectrum Laboratories

Pre-cut membrane discs are used with Spectra/Por® MacroDialyzers and Equilibrium Dialyzers.

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Membrane filters, type 250

Membrane filters, type 250

Supplier: Sartorius

Hydrophilic polyamide (nylon) membrane filters. For the filtration of alkaline solutions and organic solvents.

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Membrane disc filters, Versapor® Acrylic Copolymer

Membrane disc filters, Versapor® Acrylic Copolymer

Supplier: Cytiva (Formerly Pall Lab)

Hydrophilic acrylic polymer Versapor® membrane on non woven support ideal for pre-filtration of difficult to filter solutions and serum.

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Membrane filters, type 113

Membrane filters, type 113

Supplier: Sartorius

Cellulose nitrate hydrophilic membrane filters. For sample pretreatment, particle testing and chemotaxis.

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Membrane disc filters, Optimizer®

Supplier: ENTEGRIS

These filter disc series can be used for simple, quick and efficient filtration of fluids used in laboratory, pilot and small scale applications.

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Membrane filters, type 123

Membrane filters, type 123

Supplier: Sartorius

Membrane filter, Membrane: Cellulose acetate, Non sterile, Type: 123, Pore size: 1,20 µm, Ø: 25 mm, Thickness: 140 µm

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Membrane filters, type 111

Membrane filters, type 111

Supplier: Sartorius

Cellulose acetate hydrophilic membrane filters. Ideal for biological and clinical analysis, sterility tests and scintillation measurements. Very low protein binding capacity, suitable for aqueous, alcoholic media and hot gases.

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Ultrafiltration membrane filters, Hydrosart®

Ultrafiltration membrane filters, Hydrosart®

Supplier: Sartorius

These membranes are highly hydrophilic and are often preferred for their high protein recovery when processing very dilute solutions.

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