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Disequilibrium of dissolved 234U/238U and 210Po/210Pb in Greek rivers

Xarchoulakos Dimitrios, Kehagia Konstantina, Kallithrakas-Kontos Nikolaos, Potiriadis Constantinos

Πλήρης Εγγραφή

URI: http://purl.tuc.gr/dl/dias/6BB23594-63A2-4DF5-8BCF-A1A1E63E414C
Έτος 2017
Τύπος Δημοσίευση σε Περιοδικό με Κριτές
Άδεια Χρήσης
Λεπτομέρειες
Βιβλιογραφική Αναφορά D. C. Xarchoulakos, K. Kehagia, N. Kallithrakas-Kontos and C. Potiriadis, "Disequilibrium of dissolved 234U/238U and 210Po/210Pb in Greek rivers," J. Radioanal. Nucl. Ch., vol. 312, no. 2, pp. 285-292, May 2017. doi: 10.1007/s10967-017-5228-8 https://doi.org/10.1007/s10967-017-5228-8
Εμφανίζεται στις Συλλογές
Δημοσιεύσεις σε Περιοδικά στην Κοινότητα Σχολή Μηχανικών Ορυκτών Πόρων

Περίληψη

For the first time, a radiological study for the dissolved 238U, 234U, 210Pb and 210Po was held in major Greek rivers across the country. 234U/238U activity ratios are above one in all samples and 210Po/210Pb activity ratios are respectively below the unit indicating the disequilibrium in the samples. Quite satisfactory correlations were observed among 234U and 238U as well as among 210Po and 210Pb values. Uranium isotopes were separated by ion exchange and electroplated on stainless steel plates. 210Po was spontaneously deposited on nickel plates, while 210Pb was indirectly determined through the ingrowth of 210Po. The sources were measured by a-spectrometry.

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