Features a polymeric phase bonding technology that gives Wakosil* II 5C18 AR columns a high carbon loading (20%) and a unique selectivity which assists with analysis of aromatic compounds. AR material also has a broad pH range of 1.4 to 9.4, making it useful for the separation of basic compounds and for applications that require use of weakly alkaline mobile phases. See catalog no. 470-26224 (SGE no. 2050190) for guard cartridges.
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Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.