Use Poly-Prep prepacked columns for convenient sample preparation and other small-scale gravity-flow chromatography applications.

AG 50W-X8 resin, hydrogen form, 200–400 mesh (63–150 micron particle size) is ideal for high-resolution random separations.

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Browse our complete line of gravity and spin chromatography columns for more sample purification options including size exclusion, desalting, ion exchange, and PCR cleanup columns.

Empty spin columns are also available in various dimensions and package sizes.

View the full selection of Bio-Rad chromatography media to select the best column packing for your application.