Isobars Separation (<sup>137</sup>Cs-<sup>137m</sup>Ba-<sup>137</sup>Ba) from Marine Sediments, in Order to Evaluate Directly Their Radioactive Contamination by Mass Spectrometry
Abstract:Marine sediments contamination by fission product 137 Cs-137m Ba is a fact since the period 1945-65, when plus than two thousand atomic explosion tests were performed mainly in the southern seas, earth region with minor population density. However, marine flows have produced dissemination of this radioactive pair through the sea bottom all over the world, at different levels, because the sea movement and natural decaying of radioactive pair: parent 137 Cs (t 1/2 = 30.17 years) and daughter 137m Ba (t 1/2 = 2.5… Show more
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