Sorption behavior of gamma-irradiated silica gel

被引：2
|
作者：
Rodriguez, AS [1 ]
Lopez, BME [1 ]
机构：
[1] Natl Inst Nucl Res, Dept Chem, Mexico City 11801, DF, Mexico
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 1998年 / 231卷 / 1-2期
关键词：
D O I：
10.1007/BF02388032
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The use of ionizing radiation to achieve some desired effect on silica gel, applicable to the adsorption of radionuclides has been investigated as a function of the dose-rate over a wide range of doses, in experiments with strongly alkaline aqueous solutions containing an excess of UO22+ relative to trace concentrations of Y-88, Ru-103, Cs-139 and Ce-141. The results obtained revealed that gamma-irradiation of silica gel was reproduced with an uptake comparable to that measured for the unirradiated-silica gel. Radiation resistance is strongly influenced by the basic macromolecular structure, the presence of water, and the particular environmental exposure conditions.
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页码：191 / 193
页数：3
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