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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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Description:   0.5 micron. Color: yellow. Hand-tight, automatically adjustable in-line filter to extend life of analytical columns. Perfect zero-dead-volume connections. Disposable and holder-free.
Catalog Number: 77100-052
Supplier: Optimize



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Description:   UltraShield UHPLC PreColumn Filter, Porosity: 0.2 um frit, Inlet/Outlet: Female/Male 10-32, Universal fit, Pressure: 15,000 psi, Filter: 0.5 um or 0.2 um titanium frit in a stainless steel body with PEEK ferrule, Wrench Flat: 5/16 inch, Cost-effective protection
Catalog Number: 10853-522
Supplier: Restek



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Description:   .197 inch disc diameter x .074 inch thick x .250 inch total diameter, PEEK*
Catalog Number: 53501-334
Supplier: Upchurch Scientific



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Description:   Frit for 6 mL cartridge
Catalog Number: 89213-830
Supplier: Agela Technologies



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Description:   Diba Chromatography Column Frit, 10 mm dia, 10 µm, PTFE
Catalog Number: 76175-990
Supplier: Argos Technologies



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Description:   Diba Chromatography Column Frit, 6.6 mm dia, 25 µm, PE
Catalog Number: 76176-374
Supplier: Argos Technologies



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Description:   Frit for 25 mL cartridge
Catalog Number: 89213-836
Supplier: Agela Technologies



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Description:   Diba Chromatography Column Frit, 6.6 mm dia, 30 µm, PTFE
Catalog Number: 76175-984
Supplier: Argos Technologies



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Description:   Frit for 60 mL cartridge
Catalog Number: 89213-838
Supplier: Agela Technologies



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Description:   0.5 Micron, 50Um Id Hand-Tight, Direct Connect To Injection Valve, Automatically Adjustable Filter To Extend Life Of Capillary Columns. Perfect Zero-Dead-Volume Connections. Disposable And Holder-Free.
Catalog Number: 89042-070
Supplier: Optimize



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Description:   Diba Chromatography Column Frit, 35 mm dia, 50 µm, PTFE
Catalog Number: 76176-034
Supplier: Argos Technologies



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Catalog Number: BJ9442
Supplier: Honeywell Research Chemicals


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Description:   Diba Chromatography Column Frit, 5 mm dia, 30 µm, PTFE
Catalog Number: 76176-364
Supplier: Argos Technologies



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Description:   .062 inch disc diameter x .062 inch thickness x .200 inch total diameter, 316 stainless steel
Catalog Number: 21001-308
Supplier: Upchurch Scientific



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Description:   Diba Chromatography Column Frit, 35 mm dia, 25 µm, PE
Catalog Number: 76176-030
Supplier: Argos Technologies



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Description:   Diba Chromatography Column Frit, 15 mm dia, 5 µm, PTFE
Catalog Number: 76176-000
Supplier: Argos Technologies



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