Journal of Radioanalytical and Nuclear Chemistry

, Volume 306, Issue 2, pp 357–363 | Cite as

Field method for the rapid determination of traces of uranium in rocks, soil and stream sediments by fluorescence measurement

  • Pranab Kumar Tarafder
  • Pradip Kumar Ghosh
  • Gotur Chakrapani


A rapid field method for the determination of ppm level uranium (U) in rocks, soils and stream sediments fluorimetrically has been developed. By simply eliminating iron, which seriously interferes in the direct determination of U due to quantity quenching, U can be reliably determined in the field with high throughput of analysis. Also, a novel concept of “iron to uranium ratio” has been introduced in the paper to demonstrate the serious negative role of iron in the ppm level determination of U fluorimetrically in silicate rocks and soils as a part of geochemical exploration of U.


Fluorimetry Soil 2,3 Dihydroxynaphthalene Liquid–liquid extraction 



Authors are thankful to Shri Pramod Kumar, Regional Director, AMD, Eastern Region, Jamshedpur for providing necessary facilities to carry out the research project. Authors are also grateful to Shri P. S. Parihar, Director, AMD for giving kind permission to publish the work.


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2015

Authors and Affiliations

  • Pranab Kumar Tarafder
    • 1
  • Pradip Kumar Ghosh
    • 1
  • Gotur Chakrapani
    • 2
  1. 1.Atomic Minerals Directorate for Exploration and Research (AMD)Department of Atomic EnergyJamshedpurIndia
  2. 2.Atomic Minerals Directorate for Exploration and Research (AMD)Department of Atomic EnergyHyderabadIndia

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