Poly-Prep® prepacked columns for gravity-flow chromatography provide convenience for sample preparation and other small-scale applications. The graduated 0.8 x 4 cm columns are constructed of polypropylene. Each column holds a standard bed volume of 2 ml AG® ion exchange resin and includes an integral 10 ml reservoir. A Poly-Prep stack cap, which allows connection to pumps, reservoirs, or columns in series, is also available.
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