Fast method and ultra fast screening for determination of 90Sr in milk and dairy products

被引：24

作者：

Kabai, E. ^{[1
]}

Hornung, L. ^{[1
]}

Savkin, B. T. ^{[1
]}

Poppitz-Spuhler, A. ^{[1
]}

Hiersche, L. ^{[1
]}

机构：

[1] German Fed Off Radiat Protect, D-85764 Oberschleissheim, Germany

来源：

SCIENCE OF THE TOTAL ENVIRONMENT | 2011年 / 410卷

关键词：

Strontium; Sr-90; Milk; Dairy products; LSC; Microwave digestion; STRONTIUM; RESIN;

D O I：

10.1016/j.scitotenv.2011.09.052

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In emergency situation or in case of defence against nuclear hazards, the rapid analysis of radioisotopes in food products is essential. Radiostrontium is one of the most interesting isotopes in case of emergency. The determination of radiostrontium in milk and dairy products plays an important role especially for infants. The procedures described here were tested for fast determination of Sr-90. The typical chemical recovery of the proposed fast procedure for determination of strontium from milk and dairy products was 90% and the time needed for analysis was one working day. The achieved detection limit for milk is 0.8 Bq/l. An ultra fast screening method allows the determination of radiostrontium with quantitative recovery within 1 hour. The minimum detectable activity in this case is 230 Bq/l. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：235 / 240

页数：6

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