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You Searched For: Precolumn Filters and Frits

Precolumn filters are essential for protecting HPLC columns against particulate matter which can accumulate on the column frit, leading to split peaks and high backpressure. Sources of particles include mobile phases (especially when buffers are mixed with organic solvents), leaking pump and injector seals, and samples. Precolumn filters are also useful because changing the column frit is extremely difficult to do without disturbing the column packing, whereas changing the precolumn filter’s frit is easy, providing relatively inexpensive insurance against column damage.

Precolumn filters are essential for protecting HPLC columns against particulate matter which can accumulate on the column frit, leading to split peaks and high backpressure. Sources of particles include mobile phases (especially when buffers are mixed with organic solvents), leaking pump and injector seals, and samples. Precolumn filters are also useful because changing the column frit is extremely difficult to do without disturbing the column packing, whereas changing the precolumn filter’s frit is easy, providing relatively inexpensive insurance against column damage.


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Image Unavailable-76399-148

Avantor® Hichrom, Frit Assembly

Catalog Number: (76399-148)
Supplier: HICHROM LIMITED
Description: The frit assembly is made of PEEK.
Product Image-76392-062

Avantor® ACE®, HPLC Precolumn Filters

Supplier: HICHROM LIMITED
Description: These precolumn filters with PEEK body and stainless steel frit provide protection for analytical and microbore columns. They connect directly to the ...

Product Image-76399-336

Avantor® Hichrom, Frit Removal Tool

Catalog Number: (76399-336)
Supplier: HICHROM LIMITED
Description: The frit removal tool is ideal for the removal of frits used in HPLC/LC columns.
Product Image-76394-684

Avantor® ACE®, UHPLC Pre-Column Filters

Supplier: HICHROM LIMITED
Description: Avantor® ACE® UHPLC pre-column filters made from stainless steel/PEEK provide protection for all UHPLC columns. They offer ultra-low dispersion for ma...

Product Image-76399-712

Avantor® Hichrom, Precolumn Filters

Supplier: HICHROM LIMITED
Description: Placed immediately before the column, the precolumn filter traps particles introduced with the sample. For samples, which may irreversibly absorb onto...

Product Image-76399-142

Avantor® Hichrom, PEEK Frit

Catalog Number: (76399-142)
Supplier: HICHROM LIMITED
Description: Frit
Product Image-76399-046

Avantor® Hichrom, Frits for Columns

Supplier: HICHROM LIMITED
Description: Frit made of 316 grade stainless steel.

Product Image-76399-338

Avantor® Hichrom, Frits, Cap Style

Supplier: HICHROM LIMITED
Description: These cap style frits used to preserve the packaging material within the column itself.

Image Unavailable-76399-728

Avantor® Hichrom, Biocompatible Precolumn Filter Assembly

Supplier: HICHROM LIMITED
Description: These precolumn filter assembly are biocompatible and are used for precolumn filter assembly.

Image Unavailable-76399-668

Avantor® Hichrom, Stainless Steel Frits

Supplier: HICHROM LIMITED
Description: Frits, natural

Product Image-76399-164

Avantor® Hichrom, Preparative Frit Assembly

Catalog Number: (76399-164)
Supplier: HICHROM LIMITED
Description: Preparative frit assembly, natural
Product Image-CA12131020

Replacement Frits for Empty Cartridges and Empty Cartridges with Pre-installed Frits, Agilent Technologies

Supplier: AGILENT TECHNOLOGIES, INC (CSD) CA
Description: Frit for SPE cartridges, 9.5 mm, 3 mL

Product Image-89052-160

Filter Column, Michel-Miller, Ace Glass Incorporated

Supplier: Ace Glass
Description: These columns are for use with the Michel-Miller liquid chromatography System as a filter to assure only clean solvent enters column.

Product available on GSA Advantage® Small Business Enterprise

Image Unavailable-75840-748

UHPLC Filters, Thermo Scientific

Supplier: NATIONAL SCIENTIFIC CO SOV
Description: These UHPLC filters with low volume filter cartridge design, protect columns for Hypersil GOLD™ 1.9 µm and Syncronis 1.7 µm columns.

Product Image-CA76204-830

MARS Column Replacement Frit, Agilent Technologies

Catalog Number: (CA76204-830)
Supplier: AGILENT TECHNOLOGIES (GENOMICS) CA
Description: MARS Column Replacement Frit
Product Image-97054-864

PreColumn™ SS Filter for HPLC, MicroSolv

Supplier: MicroSolv Technology Corp
Description: Protect your HPLC columns from particulates that can ruin them at ¹/₃ the cost of conventional precolumn filters.

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
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