Thermo Fisher Scientific
Fast Anion Determinations in Environmental Waters Using High-Pressure Ion Chromatography

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  • Published: Feb 1, 2016
  • Author: Thermo Fisher ScientificThermo
  • Categories: Ion Chromatography
thumbnail image: <font size=3>Thermo Fisher Scientific</font><br />Fast Anion Determinations in Environmental Waters Using High-Pressure Ion Chromatography

Ion chromatography (IC) is a well-established and accepted technique for the monitoring of inorganic anions in environmental waters. In the U.S., compliance monitoring of inorganic anions in drinking water and wastewater has been required since 1992. This application note demonstrates fast analysis of environmental water samples containing anions at ppm concentrations using the high resolution capabilities of the Thermo Scientific™ Dionex™ IonPac™ AS18-4μm column facilitated by the high-pressure capabilities of the Thermo Scientific™ Dionex™ Integrion™ HPIC™ system.

The method used demonstrates reliability and accuracy with standards and samples as shown by the retention time and peak area reproducibilities with a RSD of < 0.1 and < 0.2, respectively, improved chromatography and resolution of critical peak pairs, and 89–105% recoveries. Run time was reduced to 12 min, saving four minutes of analysis time for characterizing a sample containing seven anions (including phosphate) per sample.

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The full PDF version of this Application Note may be accessed here.

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