A separation column for chromatography or a medium for solid phase extraction, which comprises a hollow capillary and a collected body packed in the hollow capillary and serving as a stationary phase, the collected body comprising long fibers having an adsorbing ability selective towards a target solute...http://www.google.com.au/patents/US7211189?utm_source=gb-gplus-sharePatent US7211189 - Separation column from chromatography, medium for solid phase extraction and sample injection system for chromatography
