The use of a heterogeneity-based isotherm to interpret the transport of reactive radionuclides in volcanic tuff media | Zendy

W.L. Polzer | Zendy; Héctor R. Fuentes | Zendy

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The use of a heterogeneity-based isotherm to interpret the transport of reactive radionuclides in volcanic tuff media

Author(s) -

W.L. Polzer,

Héctor R. Fuentes

Publication year - 1987

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/60102

Subject(s) - sorption , radionuclide , strontium , volcano , caesium , strontium 90 , dispersion (optics) , mineralogy , geology , chemistry , environmental science , environmental chemistry , geochemistry , physics , adsorption , inorganic chemistry , nuclear physics , organic chemistry , optics

The sorption of cesium and strontium has been modeled with a heterogeneity-based isotherm equation for various tuff materials including those within a sequence of geologic stratigraphic units. The theory of the isotherm foresees the relative retardation and the chemical dispersion of the studied radionuclides during transport. The concepts of heterogeneity of sites and variability in the maximum number of sites available for sorption are incorporated into the model. 16 refs., 4 figs., 3 tabs

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