HPLC Directory- HPLC Instruments &gt; Columnshttp://www.lchromatography.com/HPLC_Instruments/Columns/A directory of sites related to HPLC. Cobert Associates http://www.cobertassoc.com/<p>By working closely with chromatographers and listening to our customers, we discover solutions for problems involving the purchase, availability,use or repair of chromatography equipment.</p>Mon, 04 Jan 2010 03:12:04 GMTAgilent Technologies http://www.chem.agilent.com<p>From research to routine QA/QC, there is a ZORBAX HPLC column that offers an optimized solution for your specific measurement and purification application.</p>Mon, 04 Jan 2010 03:09:45 GMTPolymer Standards Service USA http://pssgpcshop.com/<p>Polymer Standards Service makes polymers, SEC columns,WinGPC software for GPC. Contract Lab for polymer testing; GFC, Viscometry, Light Scattering,copolymer, 2D, Instrument configurations.</p>Mon, 04 Jan 2010 03:13:55 GMTThermo Scientific http://www.thermo.com<p>Thermo Scientific techniques and solutions help solve your toughest analytical challenges with our world-class portfolio of products and technologies.</p>Mon, 04 Jan 2010 03:17:17 GMT