Download column guide (PDF-file)
puriFlash® Columns – The separation tools
Manufactured by Interchim under proprietary packing “Accurate Bed Technology™
Purification results equivalent to a Prep LC column
Compatible with any Flash system
Stable @ up to 22 bars* /308 psi
puriFlash® Columns – The separation tools – choose the right media
Media selection requires consideration of sample volume, the nature of the analyte, analyte concentration and the inherent properties of the sorbent itself.
See list of columns on Interchim’s website.
Polymer loading capacities are higher than silica, however, silica sorbents exhibit greater selectivity.
Silica & bonded silica are rigid supports that do not shrink or swell with solvents. The silica surface can be easily modified, this creates a potential for a large selectivity for purification from hydrophobic to hydrophilic interactions. The pH stability of bonded silica is limited, typically to within the range of 2 to 7.5, this is chemistry dependant. Interchim offers more than 20 different silica based selectivities. Our sorbents take advantage of our ultra pure spherical silica, and this achieves greater reproducibility, and establishes optimized sample recoveries.
Polymer sorbents are very stable from pH 1 to 14, they exhibit high loading capacities allowing for the purification of a broad range of compounds. Our polymers have a very high specific surface area that maximises pi-pi interactions. The capacity of our polymers are typically 15% greater than competitive polymers and 25% higher than silicas. These polymers are particularly suited for polar compound purification. The polymer surface can be easily modified and facilitates a large selectivity range from hydrophobic to hydrophilic interactions.
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