Robuta

https://skoge.folk.ntnu.no/prost/proceedings/aiche-2008/data/papers/P135912.HTM 216c Industrial Application of Ion Exchange Process for Recovery of Thorium Isotopes for Medical... industrial applicationthorium isotopesexchangeprocessrecovery https://academiccommons.columbia.edu/doi/10.7916/d8-e805-k314 Biogeochemical Studies of the South Pacific Ocean Using Thorium and Protactinium Isotopes |... The ocean is both a repository and reactor for chemicals at the Earth’s surface. As chemicals enter the ocean they are taken up by organisms, transported by... the south pacificprotactinium isotopesbiogeochemicalstudiesocean