We're in the process of collecting answers to some of the more frequently asked questions about chromatography in one place. You can get there by clicking on the FAQ link just below the Chromatography Forum logo near the top left of the page, or else use this link:
http://www.lcresources.com/wiki

If anyone wants to participate either by proofreading the articles or by writing new ones, let me know (e-mail address below).