Chiba
Japan
QST hospital (former NIRS Hospital) - National Institutes for Quantum Science and Technology
Plutonium, Neptunium, 137Cs, sediment, Chronology, Lake Xingkai
Neptunium, Standard reference material, ICP-MS, Environmental sample
pseudo-isotope dilution, urine, Pu isotopes, uncertainty, parameter sensitivity
Plutonium, South Pacific seawater, Extraction chromatography, SF-ICP-MS, Global fallout, PPG fallout
237Np, Pu isotopes, 237Np/239+240Pu activity ratio, Reference fallout material, SF-ICP-MS