English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Sorption of tracer curium, Cm 3+ , on SiO 2 · H 2 O (silica gel) was investigated under different experimental conditions such as time of equilibration, concentration of Sm 3+ , pcH, and temperature. Sm 3+  was used as a carrier for Cm 3+  ions in this study. From the sorption kinetics data, the diffusion coefficient of Cm 3+  ion was calculated to be 1.20(±0.05)×10 -11  m 2 s -1  under particle diffusion-controlled conditions. The sorption rate was determined to be 3.47(±0.19)×10 -3  s -1  at 298 K, pcH 5.25(±0.03) in 0.20 M (NaClO 4 ). The sorption data were fitted in Freundlich, Langmuir and Dubinin–Radushkevich (D–R) isotherms. A synergistic enhancement in the sorption of Cm 3+ (Sm 3+ )-ligand ( e.g. , CO 3  2- , F - , H 2 PO 4  -  and C 2 O 4  2- ) complexes on silica gel was observed. The presence of these anions increase the sorption of Cm 3+ (Sm 3+ ) in the following order: CO 3  2-  &lt; F -  &lt; C 2 O 4  2-  &lt; H 2 PO 4  - . Temperature variation experiments gave enhanced sorption with increased temperature for Cm 3+  indicating an endothermic enthalpy.

Sorption behavior of curium(III) on hydrous silica: a kinetic and thermodynamic study