Ion Chromatography

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Ion chromatography is used to analyze anions in aqueous solutions. This physical-chemical separation process is based on the distribution of the substance into a mobile fluid phase and a solid stationary phase. We analyze mostly chloride (Cl⁻), fluoride (F⁻), bromide (Br⁻), sulfate (SO₄²⁻) and nitrate (NO₃⁻) in our Thermo Scientific Dionex ICS-1100 Ion chromatograph.

The IC Lab is associated to the ElMiE Lab. Information on how to apply for analyses and the general terms and conditions can be found here and here.

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Laboratory instrumentation

Instrument

  • Ion Chromatograph

    Ion Chromatographs are recorders that are used in chromatography; a form of high pressure liquid chromatography using conductivity detectors where a combination of weak ionic solvents are used to separate anions and cations of a solution, with the contribution of the solvent to conductivity suppressed just prior to detection; measures anions such as sulfate, nitrate, and chloride in hydrometers. (Source: Global Change Master Directory (GCMD). 2023. GCMD Keywords, Version 16.3. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects pision, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords)

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