Comparative kinetic desorption of 60Co, 85Sr and 134Cs from a contaminated natural silica sand column: influence of varying physicochemical conditions and dissolved organic matter

Preliminary results on the Co, Sr and Cs sorption properties of the analcime-containing rock type of the Boda Siltstone Formation

“…2) indicates the highest affinity toward the studied sample for Co among the studied metals (H type curve) at low initial concentrations, while the L type curve of Cs and Sr also indicates high affinity 70 P. Sipos et al Central European Geology 53, 2010 Table 1 Chemical and mineralogical composition of the studied sample and chemisorption (Giles et al 1960). This latter fact is supported by the observation by Solovich-Vella and Garnier (2006), who found that among the studied metals the sorption of Cs is strong in a wide pH range (above 4.9). In our case the equilibrium pH values are always above this pH value (>8.84; Table 2).…”

Requirements for estimation of doses from contaminants dispersed by a ‘dirty bomb’ explosion in an urban area

“…Although longer time-series information is practically only available for radiocaesium, it has been argued that the specific affinities of soil and common urban construction materials for retaining caesium would imply that, if based on the same migration data, long-term dose estimates for other radionuclides would be somewhat conservative (Jones et al, 2006;Andersson et al, 2008a). For instance, a significantly higher ionic migration rate in soil for strontium has been recorded than for caesium (Salbu, 2000), and since cobalt ions are sorbed on the surfaces of clay minerals, and not fixed in selective sites (Norrish, 1975), also these would have a comparatively higher migration rate, as recorded experimentally by Solovitch-Vella and Garnier (2006).…”

Cesium and strontium sorption by selected tropical and subtropical soils around nuclear facilities

“…Radio-Sr can enter the soil from the atmosphere in soluble forms and is quickly sorbed by the colloidal fraction, both in organic and inorganic phases (Baes and Sharp, 1983;Solovitch-Vella and Garnier, 2006). Jackson and Inch (1983) reported that about 80% of the 90 Sr was exchangeable and largely associated with feldspars.…”