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.

引用

页码：191 / 193

页数：3

共 12 条

[1] EFFECT OF GAMMA-IRRADIATION ON THE CATALYTIC ACTIVITY AND SELECTIVITY OF GAMMA-ALUMINA .1. CONVERSION OF METHANOL [J].

AMIN, NH ;

ELSHOBAKY, GA ;

FAGAL, GA .

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES, 1994, 177 (02) :211-218

[2]

BOND KA, 1991, RADIOCHIM ACTA, V52-3, P433

[3] INFLUENCE OF THE POINT OF ZERO CHARGE OF TITANIUM-DIOXIDE HYDROSOLS ON THE IONIC ADSORPTION SEQUENCES [J].

DUMONT, F ;

WARLUS, J ;

WATILLON, A .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1990, 138 (02) :543-554

[4] EFFECT OF GAMMA-IRRADIATION ON THE CATALYTIC ACTIVITY AND SELECTIVITY OF GAMMA-ALUMINA .2. CONVERSION OF ISOPROPANOL [J].

ELSHOBAKY, GA ;

AMIN, NH ;

FAGAL, GA .

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES, 1994, 178 (01) :3-9

[5]

ELSHOBAKY GA, 1992, THESIS CAIRO U

[6]

LIESER KH, 1992, RADIOCHIM ACTA, V57, P45

[7] ADSORPTION OF URANIUM(VI) AND ZIRCONIUM(IV) FROM ACID-SOLUTIONS ON SILICA-GEL [J].

MILONJIC, SK ;

BOSKOVIC, MR ;

CERANIC, TS .

SEPARATION SCIENCE AND TECHNOLOGY, 1992, 27 (12) :1643-1653

[8] Hydrous oxides in the concentration and removal of fission products from alkaline solutions of uranium [J].

Rodriguez, A ;

Lopez, BE ;

Baca, A ;

Gutierrez, C .

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES, 1996, 204 (02) :313-320

[9]

RODRIGUEZ A, 1994, J RADIOAN NUCL CH AR, V178, P417

[10] PREPARATION AND CHARACTERIZATION OF THE NA4UO2 (O2)3.8H2O COMPLEX [J].

RODRIGUEZ, A ;

ACOSTA, AL ;

FUCUGAUCHI, LA ;

MACIAS, LR .

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-LETTERS, 1993, 175 (01) :63-73

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