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Technique development for the extraction of environmental levels of iodide from groundwaters at the Nevada Test Site for the purpose of {sup 129}I/{sup 127}I analyses
Author(s) -
J. M. Kenneally,
Linda J. Harris,
G. J. Nimz
Publication year - 1994
Language(s) - English
Resource type - Reports
DOI - 10.2172/143963
Subject(s) - iodine , accelerator mass spectrometry , iodide , groundwater , radiochemistry , radionuclide , extraction (chemistry) , chemistry , isotope , environmental chemistry , mass spectrometry , environmental science , hydrology (agriculture) , geology , chromatography , nuclear physics , inorganic chemistry , physics , organic chemistry , geotechnical engineering
A technique was developed to extract iodine from groundwaters with very low concentrations of iodine (on the order of {mu}g/L or ppb). Sufficient iodine was necessary (approximately 5 mg Agl) for analysis of the {sup 129}l/{sup 127}l on the Tandem Accelerator Mass Spectrometer (AMS). The technique for separating iodine from groundwater was developed for the field to eliminate shipping of thousands of liters of water back to the laboratory. The technique was field tested on several springs and wells at the Nevada Test Site (NTS). Preliminary isotope ratios are presented along with total iodine concentrations of the waters. It was also determined that iodine may be used as an early radionuclide migration tool

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