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Precolumn Filters and Frits


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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.


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Supplier:  Avantor
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...
Supplier:  Avantor
Description:   These precolumn filters with PEEK body and stainless steel frit provide protection for analytical and microbore columns. They connect directly to the ...
Supplier:  Avantor
Description:   Placed immediately before the column, the precolumn filter traps particles introduced with the sample. For samples, which may irreversibly absorb onto...
Supplier:  Avantor
Description:   These cap style frits used to preserve the packaging material within the column itself.
Supplier:  Avantor
Description:   J.T.Baker® BAKERBOND®, PTFE frits for 3 ml glass columns
Supplier:  Avantor
Description:   Frit made of 316 grade stainless steel.
Supplier:  Merck
Description:   Precolumn filter kit has a standard 10-32 fitting and fits direct to most column types without introducing an additional dead volume.

Supplier:  Avantor
Description:   J.T.Baker® BAKERBOND speâ„¢, Frits for 3 ml polypropylene columns
UOM:  1 * 50 items

Supplier:  Avantor
Description:   The frit removal tool is ideal for the removal of frits used in HPLC/LC columns.
UOM:  1 * 1 items
Supplier:  Bohlender
Description:   These frits are made from PTFE.
Supplier:  Bohlender
Description:   These PTFE gas distributors and frits are suitable for steady sparkling of the flowing gas.
Supplier:  MACHEREY-NAGEL
Description:   CHROMABOND®, CHROMABOND® Flash DL 330, PE filter elements, 60,0 mm ID
Catalog Number: (MICS49650-005)

Supplier:  MICROSOLV TECH CORP
Description:   The flter protects columns from particulates and extends the column life-time.
UOM:  1 * 10 items
Supplier:  VARIAN
Description:   PP frit, are made with high-grade, clean PE for clean extracts.
Supplier:  THOMSON INSTRUMENT
Description:   Used in conjunction with SINGLE StEP columns with dry sample loading to compact the sample and help prevent channeling.
Supplier:  Restek
Description:   These 6 mm frits are manufactured from fine, chromatographic grade 316 stainless steel and different sizes are available to fit most column and pore s...
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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 on 0800 22 33 44.
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 on 0800 22 33 44
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalogue Number listed above. If you need further assistance, please call VWR Customer Service on 0800 22 33 44.
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