Determination of the chemical forms of iodine with IC-ICP-MS and its application to environmental samples

  • S. Yoshida
  • Y. Muramatsu
  • S. Katou
  • H. Sekimoto


An online analytical system using ion chromatography (IC) followed by inductively coupled plasma mass spectrometry (ICP-MS) was developed for the separate determination of I and IO 3 in aqueous solutions with a detection limit 0.1–1 μg 1/1. The total iodine concentration was also directly determined by ICP-MS. Iodine in several environmental samples (i.e., rain, river water, brine, and soil solution) was successfully determined with information on its chemical form. The release of I into soil solution with decreasing Eh was observed in an incubation experiment with flooded soil. An iodine form other than I and IO 3 was observed in several environmental samples.


Iodine Inductively Couple Plasma Mass Spectrometry Soil Solution Chemical Form Iodine Concentration 
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Copyright information

© Springer Science+Business Media, Inc. 2007

Authors and Affiliations

  • S. Yoshida
    • 1
  • Y. Muramatsu
    • 2
  • S. Katou
    • 3
  • H. Sekimoto
    • 3
  1. 1.National Institute of Radiological SciencesChibaJapan
  2. 2.Gakushuin UniversityTokyoJapan
  3. 3.Utsunomiya UniversityTochigiJapan

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