This article presents a method to purify and separate uranium and thorium isotopes in submarine hydrothermal sulfide samples. With this technique, uranium and thorium isotopic can be measured by MC-ICPMS, as suitable for dating samples with age le
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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.