Journal of Radioanalytical Chemistry

, Volume 5, Issue 2, pp 303–312 | Cite as

The determination of radium-226 and radium-228 in soils and plants, using radium-225 as a yield tracer

  • K. A. Smith
  • E. R. Mercer


Recovery of226Ra in analysis is determined using225Ra separated by anion exchange from229Th and233U. Radium is coprecipitated with barium, and purified by ion exchange.226Ra and217At (decay product of225Ra) are measured by α-spectrometry.228Ra is determined both by β-counting228Ac and225Ac separated from228Ra and225Ra, and by α-counting its daughters after the decay of225Ra. Sources for α-spectrometry are prepared by electrodeposition (molecular plating).


Radium Straw Decay Product Anion Exchange Column Ammonium Acetate Solution 
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Copyright information

© Akadémiai Kiadó 1970

Authors and Affiliations

  • K. A. Smith
    • 1
  • E. R. Mercer
    • 1
  1. 1.Agricultural Research CouncilLetcombe LaboratoryWantageEngland

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