Filters

Filters are essential in research laboratories and many other industries for removing particulates and creating environments conducive to a wide array of experiments and procedures. The devices come in different forms including in-line filters, paper discs, small capsules, and large ventilation panels. Filters also purify and concentrate the liquids and gases required for testing. For air, this means removing pollution, moisture, and solid airborne particulates; for liquids, this means removing impurities and small contaminants.

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Precolumn filters, ColumnSaver

Supplier: Merck

Precolumn filter kit has a standard 10-32 fitting and fits direct to most column types without introducing an additional dead volume.

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Coated filter, ORBO™ 80

Supplier: Merck

ORBO™ 80 is a glass fiber filter coated with 1-(2-pyridyl)piperazine.

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Economy water vapor trap

Supplier: Merck

This economy water vapor trap is designed for moisture removal for compressed air service to pneumatically-controlled devices.

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J.T.Baker®, Syringe Filters

Supplier: Avantor

These syringe filters are specifically designed for chromatography sample preparation applications and optimised to provide the most consistent results with less extractables.

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VWR®, Syringe Filters

Supplier: VWR Collection

Typical applications are clarification, sterile filtration, sample preparation and sterile venting.

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VWR® Phase Separating Paper, Grade 511

Supplier: VWR Collection

Hydrophobic filter paper used for separation of aqueous solutions from organic solutions.

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VWR®, Filters for Compound Microscope

Supplier: VWR Collection

VWR®, Green filter

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Avantor® Hichrom PEEKsil™, In-Line Filter

Supplier: Avantor

This is a fingertight bioanalytical inline filter, comprising a PEEK holder and a 5 μm titanium PEEK-encased frit.

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Avantor® Hichrom, Inlet Solvent Filters

Supplier: Avantor

These solvent inlet filters are used at the low pressure inlet side of the pump to help protect check valves, injector and column from particulate contamination from the eluent.

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VWR® Filter Vials

Supplier: VWR Collection

Filter vials with membrane, PE snap ring cap (11 mm), with hole and silicone white/PTFE red septa.

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Avantor® Hichrom, Frits, Cap Style

Supplier: Avantor

These cap style frits used to preserve the packaging material within the column itself.

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VWR® Tube Top Vacuum Filtration Systems

Supplier: VWR Collection

These units are ideal for minimising unnecessary transfers by filtering directly into the centrifuge tube.

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VWR® Gas Venting Filters

Supplier: VWR Collection

VWR® Gas venting filters are designed for obstructing bacterial, particles or moisture when venting in different applications. Sterile venting of bioreactors, fermentation tanks, media flasks, and carboys. Sterile gas purge of cell culture vessels or filling vessels. In-line sterilisation of and particulate removal from air and gases. Obstruct moisture to protect equipment.

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VWR® Hichrom Precolumn Filters

Supplier: Avantor

Placed immediately before the column, the precolumn filter traps particles introduced with the sample. For samples, which may irreversibly absorb onto the column, the use of guard cartridges is strongly recommended.