A rapid method for determination of 210Po in soil and sediments without the use of HF

被引：1

作者：

Kristensen, Josephine T. ^{[1
]}

Hou, Xiaolin ^{[1
]}

机构：

[1] Tech Univ Denmark, Dept Environm & Resource Engn, Frederiksborgvej 399, DK-4000 Roskilde, Denmark

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2023年 / 332卷 / 04期

关键词：

Polonium-210; Alkaline fusion; Soil; Sediment; Alpha spectrometry; Natural radioactivity; POLONIUM; PB-210;

D O I：

10.1007/s10967-022-08667-6

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A method for determining the content of Po-210 in soil and sediment samples without the use of hydrofluoric acid has been developed. Soil and sediment samples were fused with sodium hydroxide and sodium peroxide to achieve a clear solution without any visible traces of the solid matrix. After extracting Po-210 by spontaneous deposition from the sample, the sample was measured by alpha spectrometry. The average recovery for the method in environmental soil samples was 81.2 +/- 6.0% and the detection limit of the method reaches 0.1 mBq/g.

引用

收藏

页码：953 / 957

页数：5

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