Определение урана, тория, скандия и некоторых редкоземельных элементов в двадцати четырех стандартных образцах сравнения инструментальным нейтронно-активационным методом

Abstract

An instrumental neutron activation analysis technique has been developed for simultaneous determination of uranium, thorium, scandium and 8 rare earth elements in 23 geologica, vegitation and other materials. The samples were irradiated with reactor neutrons for 3 to 18 hours followed by cooling 7 day to 3 weeks. The gamma(ray activate was measured with Ge(detector. The technique is relatively simple and adaptable on the routine basis.