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Separation of Uranium and Thorium for 230Th-U Dating of Submarine Hydrothermal Sulfides
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JoVE Journal Chemistry
Separation of Uranium and Thorium for 230Th-U Dating of Submarine Hydrothermal Sulfides

Separation of Uranium and Thorium for 230Th-U Dating of Submarine Hydrothermal Sulfides

DOI:
10.3791/59098-v

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08:43 min

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May 20, 2019

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, , , , ,
1Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics,Chinese Academy of Sciences, 2Institutions of Earth Science,Chinese Academy of Sciences, 3University of Chinese Academy of Sciences, 4First Institute of Oceanography,State Oceanic Administration, 5Key Laboratory of Submarine Geosciences, Second Institute of Oceanography,State Oceanic Administration

Chapters

  • 00:04Title
  • 01:55Preparing the Samples, Reagents, and Containers
  • 02:47Dissolve and Spike the Samples
  • 03:50Ferric Hydroxide Co-precipitation for U-Th
  • 05:03Purification and Separation of U and Th Fractions
  • 07:17Results: Uranium and Thorium Analysis
  • 08:00Conclusion

Summary

Automatic Translation

Automatic Translation

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.

Tags

Keywords: 230Th-U DatingSubmarine Hydrothermal SulfidesUranium PurificationThorium PurificationMC-ICPMSUranium-thorium IsotopesSeafloor Hydrothermal ActivitySulfide Ore DepositsSample PreparationChemical ReagentsCross-contaminationUranium-238Thorium-232Spike Solution

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