Kinetics of desorption of ions from quartz and mica surfaces

  • C. R. Paige
  • W. A. Kornicker
  • O. E. HilemanJr.
  • W. J. Snodgrass
Article

Abstract

As part of an investigation concerning the fate of226Ra during uranium ore milling and long-term taillings storage we have investigated the kinetics of the desorption of alkaline earth, lead and sulfate ions from quartz and mica surfaces into water and dilute nitric acid using a radio-tracer technique. The retention times are sufficiently long to permit the growth of the surface deposits hypothesized in the HILEMAN-SNODGRASS model. The kinetics of desorption of most of these ions is found to agree with the model for rate-limiting desorption proposed by CEREFOLINI. In the case of the desorption of Ba2+ from mica surfaces the data suggest some degree of integration of the Ba2+ into the mica.

Keywords

Sulfate Physical Chemistry Quartz Inorganic Chemistry Uranium 

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Copyright information

© Akadémiai Kiadó 1992

Authors and Affiliations

  • C. R. Paige
    • 1
  • W. A. Kornicker
    • 1
  • O. E. HilemanJr.
    • 1
  • W. J. Snodgrass
    • 2
  1. 1.Department of ChemistryMcMaster University HamiltonOntario(Canada)
  2. 2.Department of Civil EngineeringMcMaster University HamiltonOntario(Canada)

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