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The VDSpher phases product family was developed for users who prefer an uncomplicated and fast HPLC analysis.
The available particle diameters range from 1.8µm to 55µm. Bigger-sized particles such as 120µm diameter can also be delivered upon request. The same selectivity from analytical to preparative chromatography (from UHPLC to preparative HPLC) enables a fast switch-over to a different particle size. For the user, the VDSpher phases permit a target-oriented “upscaling” from analytical HPLC through semi-preparative / preparative HPLC to separation in production scale. Even a “downscaling” of analytical HPLC to UHPLC is simply possible without performing numerous time-consuming tests. For analytical HPLC the VDSpher phase of choice has a pore size of 100Å and is suitable for analytes from small to medium molecular weight. In order to analyze larger molecules, VDS optilab offers wide pore silica gels with pore sizes in the range of 150Å to 1000Å. For preparative applications through to production scale, 75Å separation phases are also part of our programme.