URANIUM CONCENTRATIONS IN SEDIMENTS OF THE SUEZ CANAL

被引：6

作者：

IBRAHIEM, NM ^{[1
]}

PIMPL, M ^{[1
]}

机构：

[1] KERNFORSCHUNGSZENTRUM KARLSRUHE GMBH,CENT SAFETY DEPT,W-7500 KARLSRUHE,GERMANY

来源：

APPLIED RADIATION AND ISOTOPES | 1994年 / 45卷 / 09期

关键词：

D O I：

10.1016/0969-8043(94)90228-3

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Suez Canal bottom sediment samples have been analyzed by alpha-spectrometry for the measurement of uranium. This method is based on the extraction of uranium with trioctylphosphine oxide/cyclohexane (TOPO) followed by reextraction and separation on anion exchange resins, and finally electrodeposition. The alpha-activity of U-238 and U-234 were measured by surface barrier detectors, in Bq/kg dry weight. The obtained results were compared with concentrations determined by gamma measurements. The results point to a state of disequilibrium between U-238 and RaeU (radium equivalent uranium) which is attributed to the escape of radon.

引用

页码：919 / 921

页数：3

共 12 条

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