DETERMINATION OF TC-99 IN SEA-WATER AT ULTRA-LOW LEVELS

被引：28

作者：

CHEN, QJ ^{[1
]}

DAHLGAARD, H ^{[1
]}

NIELSEN, SP ^{[1
]}

机构：

[1] RISO NATL LAB,POB 49,DK-4000 ROSKILDE,DENMARK

来源：

ANALYTICA CHIMICA ACTA | 1994年 / 285卷 / 1-2期

关键词：

ION EXCHANGE; SEA WATER; TECHNETIUM; WATERS; URANIUM;

D O I：

10.1016/0003-2670(94)85021-6

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A method based on the collection of Tc-99 from 500 l sea water samples by anion exchange and further extraction of TcO4- into 5% triisooctylamine-xylene has been improved to include a decontamination factor 6.5 x 10(5) for uranium. The detection limit for Tc-99 is thereby reduced to 3 mBq/m3.

引用

页码：177 / 180

页数：4

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