Strumińska-Parulska Dagmara I
Faculty of Chemistry, Analytics and Environmental Radiochemistry Chair, University of Gdańsk, Sobieskiego 18/19, 80-952 Gdańsk, Poland.
J Radioanal Nucl Chem. 2013;298(1):593-598. doi: 10.1007/s10967-013-2448-4. Epub 2013 Mar 2.
The paper summarizes the results of the Pu/Pu atomic ratio studies in atmospheric fallout samples collected in 1986 over Gdynia (Poland) as well as three Baltic fish species collected in 1997 using the accelerator mass spectrometry. A new generation of AMS has been developed during last years and this method is an efficient and good technique to measure long-lived radioisotopes in the environment and provides the most accurate determination of the atomic ratios between Pu and Pu. The nuclide compositions of plutonium in filter samples correspond to their means of production. AMS measurements of atmospheric fallout collected in April showed sufficient increase of the Pu/Pu atomic ratio from 0.28 from March to 0.47. Also such high increase of Pu/Pu atomic ratio, close to reactor core Pu/Pu atomic ratio, was observed in September and equaled 0.47.
本文总结了1986年在格丁尼亚（波兰）采集的大气沉降物样本以及1997年采集的三种波罗的海鱼类中钚/钚原子比的研究结果，研究采用了加速器质谱法。在过去几年中开发了新一代的加速器质谱仪，该方法是测量环境中长寿命放射性同位素的一种高效且良好的技术，能最准确地测定钚与钚之间的原子比。过滤器样本中钚的核素组成与其生产方式的平均值相对应。4月采集的大气沉降物的加速器质谱测量结果显示，钚/钚原子比从3月的0.28有了显著增加，达到了0.47。9月也观察到钚/钚原子比有如此高的增加，接近反应堆堆芯的钚/钚原子比，为0.47。
