Singapore, June 22, 2010: Waters Corporation introduced new AcquityA Ultra Performance Liquid Chromatography (UPLCÂ) and HPLC columns that offer method development scientists additional selectivity choices and improved chromatographic performance for separations using acidic, low ionic strength mobile phases. The three new chemistries will be available in fully-scalable UPLC, HPLC and preparative columns and particle sizes.

The new Acquity CSH and XSelect HPLC columns feature proprietary, patent-pending Charged Surface Hybrid (CSH) technology - the CSH C18, CSH Fluoro-Phenyl and CSH Phenyl-Hexyl chemistries - for the widest range of selectivities ever offered by Waters. When compared to LC columns currently on the market, these new UPLC and HPLC columns offer sharper peak shapes for basic compounds, faster column re-equilibration after mobile-phase pH changes and significantly improved batch-to-batch reproducibility for ionized compounds in acidic mobile phases.

Waters' new Acquity CSH and XSelect HPLC columns are available in 1.7 (UPLC), 3.5 and 5 micron (HPLC) particles and are ideal for HPLC and UPLC methods developed on the new Waters Acquity UPLC H-Class System equipped with Fusion Method Development software from S-Matrix Corporation.

The new CSH Technology-powered columns feature high-mass loading capacity for basic compounds and the ability to seamlessly scale separations between UPLC, analytical HPLC and preparative HPLC platforms. XSelect preparative HPLC columns utilize Waters patented Optimum Bed Density (OBD) column hardware (up to 50 mm internal diameter) for long, predictable preparative column lifetimes.