Iodine-129 in animal thyroids from Argentina

A. E. Negri*, J. O. Fernández Niello, A. Wallner, A. Arazi, P. Steier

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)


    129I and 127I concentrations in animal thyroids coming from several regions of Argentina were determined by accelerator mass spectrometry (AMS) and gas chromatography (GC), respectively. The measured 129I/ 127I ratios, ranging from 3×10 -12 to 4×10 -10, are significantly lower than those typical for areas in the northern hemisphere (10 -10-10 -7). The 129I concentrations show a clear dependence with latitude and season, which can be understood considering tropospheric circulation patterns, possible 129I sources and regional precipitation rates.

    Original languageEnglish
    Pages (from-to)231-236
    Number of pages6
    JournalScience of the Total Environment
    Publication statusPublished - 15 Jul 2012


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