The protocol describes a method to purify and separate the U and Th nuclide in submarine hydrothermal sulfide sample with Fe co-precipitation and extraction chromatography for 230Th-U disequilibrium dating.
Wang, L., Wang, X., Ye, J., Ma, Z., Yang, W., Xiao, J. Separation of Uranium and Thorium for 230Th-U Dating of Submarine Hydrothermal Sulfides. J. Vis. Exp. (147), e59098, doi:10.3791/59098 (2019).