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The matrix effect on 238U and 232Th measurements using pressed powder pellets by LA-ICP-MS
LA-ICP-MS matrix effect U and Th
2017/4/12
Radioisotope concentrations, such as 238U and 232Th, of bulk sediments are good environmental indicators and useful
for radiometric age determinations. Pressed pellets of sediment can be analyzed by ...
238U-230Th radioactive disequilibrium in the northern Izu arc: (230Th/232Th) in the sub-arc mantle
U-series disequilibria Izu arc subduction isotope geochemistry trace element geochemistry sediment
2017/8/10
Major and trace element abundances, Sr and Nd isotopic ratios, and 238U-230Th radioactive disequilibria have been analyzed for samples from five volcanoes, Oshima, Miyakejima, Niijima, Teishi Knoll an...