TC-99M GENERATOR BASED ON 12-MOLYBDOCERATE-MO-99 PRECIPITATE AS COLUMN MATRIX

被引：5

作者：

ELABSY, MA ^{[1
]}

ELNAGGAR, IM ^{[1
]}

AUDAH, AI ^{[1
]}

机构：

[1] ATOM ENERGY AUTHOR,NUCL RES CTR,DEPT NUCL CHEM,CAIRO,EGYPT

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES | 1993年 / 173卷 / 01期

关键词：

D O I：

10.1007/BF02102711

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The preparation of insoluble 12-molybdocerate(IV) from Mo-99 of low specific activity, produced by thermal neutron irradiation of MoO3, is described. Samples of the material are dried at 50, 100 and 200-degrees-C and used as column matrices from which the generated Tc-99m activity is periodically eluted with saline solution or saline solution containing 5.10(-5) M K2CrO4 as an oxidant. The elution yields of Tc-99m are high and reproducible (95-81 %) with radionuclidic purity greater-than-or-equal-to 99.98%. Both chemical and radiochemical purity (as TcO4-) of the eluates decrease with increasing drying temperature of the column matrix. Using chromated saline solution as eluent improves the radiochemical purity of the Tc-99m eluate.

引用

页码：185 / 193

页数：9

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