13.07.2015 Views

Agilent HPLC Column Selection Guide

Agilent HPLC Column Selection Guide

Agilent HPLC Column Selection Guide

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<strong>Column</strong>s for Bioanalytical ChromatographyZORBAX GF-250 and GF-450Gel Filtration <strong>Column</strong>s• High efficiency and reproducibility with short analysis time• Hydrophilic diol bonded phase for good protein recovery• Compatible with organic modifiers and denaturants• Wide usable pH range (pH 3-8)<strong>Agilent</strong> ZORBAX GF-250 and GF-450 size exclusion (gel filtration) columns are ideal for thesize separations of proteins and other biomolecules. The separation range is 4,000-900,000for globular proteins when using GF-250 and GF-450 columns in series. The GF-250/GF-450size exclusion columns have a hydrophilic diol bonded phase for high recovery of proteins(typically >90%) and a unique zirconia modification of the silica to extend the pH rangefrom 3-8. The GF-250 and GF-450 columns are packed with precisely sized porous silicamicrospheres with narrow pore size and particle size distributions. The result is a highlyefficient, rugged and reproducible size exclusion column for separations of proteins withflow rates of up to 3 mL/min. These columns are compatible with organic modifiers (

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