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Precolumn Filters and Frits

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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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Supplier:  MilliporeSigma
Description:   All the individual steps associated with solid-phase extraction can be carried out using the LiChrolut® extraction unit rapidly and reliability.This t...
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
Supplier:  MicroSolv Technology Corp
Description:   Protect Your HPLC Columns from particulates that can ruin them at 1/3 the cost of conventional precolumn filters.
Supplier:  Thermo Scientific
Description:   These UHPLC filters with low volume filter cartridge design, protect columns for Hypersil GOLD™ 1.9 µm and Syncronis 1.7 µm columns.
Supplier:  Upchurch Scientific
Description:   Upchurch Scientific® Stainless Steel frits are available in several porosities: 0.5, 2, 10, and 20 µm
Supplier:  Upchurch Scientific
Description:   A precolumn filter placed between the sample injection valve and the HPLC column protects the column from particles originating in the sample and from...
Supplier:  Upchurch Scientific
Description:   Upchurch Scientific® Frit-In-A-Ferrule™ seal and filter simultaneously by incorporating a frit into the body of a flat-bottom ferrule
Supplier:  Agela Technologies
Description:   Frit for 25 mL cartridge
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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.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at Regulatory_Affairs@vwr.com
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The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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