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首页> 外文期刊>Journal of Radioanalytical and Nuclear Chemistry >Comparative study between radioactive contamination in powder milk by Chernobyl accident (137Cs) and natural radioactivity (40K)
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Comparative study between radioactive contamination in powder milk by Chernobyl accident (137Cs) and natural radioactivity (40K)

机译：切尔诺贝利事故（137 Cs）和天然放射性（40 K）对奶粉中放射性污染的比较研究

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After the Chernobyl accident in 1986, Mexico imported from an European country 28,000 tons of contaminated powder milk with the fission product 137Cs. When the contamination was detected, the alarm among the authorities and population spread out very quickly and of course the product was retired at once from the foodstuff market. Nevertheless, the public panic grew up in such a manner, that even the way to manage and to dispose safely this material, considered highly dangerous, was largely discussed. Now, about two decades ago from this event, a study has been performed to compare the level of radioactivity due to both radioisotopes present in one saved sample: the artificial contaminant 137Cs, beside the natural, all around present 40K, in order to evaluate in a more realistic way how risky was the management, possible consumption, and final disposition of this nourishment. This paper considers results obtained within an uncertainty degree equal to ±5%, and set up conclusions by comparing artificial and natural radioactivity present in that contaminated powder milk.
机译：1986年切尔诺贝利事故发生后，墨西哥从一个欧洲国家进口了28,000吨受污染的奶粉，其中包含裂变产物137 Cs。当检测到污染时，当局和民众之间的警报迅速蔓延开来，当然，该产品立即从食品市场退役。然而，公众的恐慌情绪以这种方式增长，以至于甚至讨论了管理和安全处置这种材料的方法，这些材料被认为是非常危险的。现在，距这次事件大约二十年前，已经进行了一项研究，比较了一个保存的样品中存在的两种放射性同位素引起的放射性水平：人造污染物137 Cs，除了天然物质外，还存在约40种/ sup> K，以便以更现实的方式评估这种营养的管理，可能的消耗以及最终处置的风险。本文考虑了在不确定度等于±5％的范围内获得的结果，并通过比较受污染的奶粉中存在的人工和天然放射性得出结论。

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