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Mott Corporation - Porous Chromatography Column Frits
Mott’s porous chromatography column frits play a pivotal role in High-Performance Liquid Chromatography (HPLC) columns by effectively retaining the packing media and ensuring a consistent sample flow with minimal hold-up volume. These specialized frits are engineered to withstand not only high pressures but also the most corrosive chemicals, making them ideal for demanding chromatographic applications. Additionally, Mott offers bio-inert column frit options, further expanding the versatility of these crucial components for a wide range of chromatography needs.
Geometry
Unidense – Uniform flow across the entire column
Dual Density – Limit flow to the interior region of the frit and reduce dead volume
Concave – Enhance flow uniformity without the need for a flow distribution plate
Dimensions
Diameter – Standard disc diameters available from 0.062” to 0.750”
Thickness – Standard thicknesses of 0.028” and 0.062”
Pore Size
0.2, 0.5, and 2 µm – Standard option for HPLC/UHPLC filtration
2, 5, 10, and 20 µm – Standard options for semi-prep filtration
Alloy
316L SS – Standard HPLC/UHPLC applications
Titanium – Bio-inert applications
Hastelloy® – Bio-inert applications with corrosive solvents
Sealing Material
Metal – Robust sealing surface that can withstand harsh environments
PEEK – For most bio-inert applications requiring standard sealing
PTFE – Economical solution for frits requiring the most bio-inert of materials
Assembly Method
Press Fitting – Standard assembly method for all frits
Sinter Bonding – For ultimate durability (only available for metal sealing materials)