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Isotope ratio measurements of uranium by LA-HR-ICP-MS
(Sao Paulo: ABEN, 2011, 2014)
Spikes em espectrometria alfa para analise de amostras geologicas
(1990-12-01)
The technique of isotope dilution has been extensively utilized for determining the content of trace elements in geological samples; it has been especially useful for the determination of 238U and 234U contents in crustal ...