July 2007, Sunnyvale, CA—Dionex announces the release of Application Note 187: Determination of Sub-μg/L Bromate in Municipal and Natural Mineral Waters Using Preconcentration with Two-Dimensional Ion Chromatography and Suppressed Conductivity Detection. Analysis of trace amounts of contaminants in municipal water systems is important for consumer health as well as regulatory compliance. Dionex has worked with the US EPA to develop methods for detecting lower concentrations of contaminants, using the innovative ICS-3000 ion chromatography system. Two-dimensional ion chromatography (2-D IC) methods divert matrix ions while retaining analytes of interest, allowing high-volume injections without column overloading or peak broadening. This newly released method allows determination of bromate at sub-µg/L concentrations. Visit www.dionex.com for more information about the ICS-3000, 2-D IC applications for bromate and perchlorate analysis, and detailed instructions for following a variety of EPA methods, including 317.0, 326.1, 314.1, and 314.2 (in development). Dionex (NASDAQ:DNEX) is a global leader in the manufacturing and marketing of liquid chromatography and extraction systems, consumables, and software for chemical analysis. The Company's systems are used worldwide in environmental analysis and by the life sciences, chemical, petrochemical, food and beverage, power generation, and electronics industries. Our expertise in applications and instrumentation helps analytical scientists to evaluate and develop pharmaceuticals, establish environmental regulations, and produce better industrial products.
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