Request your 2008-2009 Thermo Scientific Chromatography Columns and Consumables Catalog here. The 2008-2009 Thermo Scientific Chromatography Columns and Consumables Catalog, built on our over 30 years of chromatography experience, provides chromatographers an easy-to-use, single resource for HPLC, GC and SPE columns and accessories plus a technical reference source to help your daily research efforts.