Low-level tritium measurements in freshwater and seawater samples

被引：2
|
作者：
Dymecka, Malgorzata [1 ]
Szacilowski, Grzegorz [1 ]
Rzemek, Katarzyna [1 ]
Osko, Jakub [1 ]
机构：
[1] Natl Ctr Nucl Res, Radiat Protect Measurements Lab, 7 A Soltana St, PL-05400 Otwock, Poland
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2024年 / 333卷 / 07期
关键词：
Tritium measurement; Water; Electrolytic enrichment; Liquid scintillation counting; ELECTROLYTIC ENRICHMENT;
D O I：
10.1007/s10967-023-09295-4
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The aim of this study was to test two potential tritium determination methods (with and without electrolysis enrichment) suitable for low-level measurements. Both methodologies were applied to water samples from the Baltic Sea and ten Polish rivers providing new data on tritium activity concentration. Optimization steps carried out to the standard method lowered minimum detectable activity concentration (MDC) from 3.1 to 1.8 Bq L-1 (at 95% confidence level) enabling to apply it to environmental water samples. However, electrolytic enrichment method of MDC of 0.20 Bq L-1 provided more accurate results for tritium activity concentration in surface waters.
引用
收藏
页码：3511 / 3522
页数：12
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