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Sigma-Aldrich Accelerates Analytical Research And Extends Benefits Of Fused-Core Particle Technology To All HPLC Users With The Launch Of New Ascentis Express 5 Micron Particle By Supelco





ST. LOUIS, July 25, 2012 /PRNewswire/ --  Sigma-Aldrich ® Corporation (NASDAQ:SIAL) announced today its Supelco ® brand launched the Ascentis® Express C18, 5 micron particle size column to improve speed and increase efficiencies in high purity liquid chomatography (HPLC) procedures. The new columns are based on innovative Fused-Core® particle technology, which enables the production of columns capable of achieving greater speed and efficiencies than conventional 5 micron particle columns. The Ascentis Express family provides scientists a premier choice for performance improvement on traditional HPLC systems and eliminates the concerns associated with smaller particle columns.

(Logo: http://photos.prnewswire.com/prnh/20050215/CGSIGMAALLOGO)

The new columns deliver the speed and resolving power of conventional 3 micron particle columns, as well as provide greater ruggedness and a longer life cycle than columns using sub 2 micron particles. Operating back pressures of the new column family are comparable to columns using 5 micron particles, ensuring pressure limits are not exceeded in conventional HPLC instrumentation. The Ascentis Express line is scalable from ultra high purity liquid chromatography (UHPLC) to legacy HPLC systems."Supelco's latest extension to the Ascentis Express line allows scientists to boost the performance of legacy HPLC systems and effortlessly transfer methods amongst sites or contract research organizations (CRO) without incompatibility concerns," said Dr. Wayne Way, HPLC/GC Market Segment Manager, Supelco. "These columns are expected to be extremely beneficial for bioanalytical LC/MS as they excel at the high flow rates and high throughput demands of these methods.  Furthermore, the large particle format provides an extremely rugged HPLC column," concludes Dr. Way.

Available in introductory phases C18 and F5, the conversion of current methods is simple. Conventional HPLC users can simply "drop-in" the replacement column without changing column dimensions, flow rates or sample prep.

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