ZirChrom Separations, Inc. produces HPLC columns based on 3μm zirconia (zirconium oxide) particles. These columns are more rugged and durable than silica-based columns and more efficient than polymer-based columns. ZirChrom® normal-phase and reversed-phase columns can be used across the entire pH range (1–14) and are thermally stable to 200°C. Additionally, zirconia’s silanol-free surface produces sharp, symmetrical peaks for amines without mobile phase modifiers.
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