Concentrations of ²²⁶Ra, ²³²Th and ⁴⁰K in industrial kaolinized granite

详细信息    查看全文

• 作者：Nata&scaron ; a Todorović^a ; ^{natasa.todorovic@df.uns.ac.rs} ; Jan Hansman^a ; Du&scaron ; an Mrđa^a ; Jovana Nikolov^a ; Richá ; rd Kardos^b ; Miodrag Krmar^a
• 关键词：Kaolinized granite ; Gamma spectrometry ; Gamma index I ; Dose rate D ; Annual effective dose De
• 刊名：Journal of Environmental Radioactivity
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：168
• 期：Complete
• 页码：10-14
• 全文大小：621 K
• 卷排序：168

文摘

Activity concentrations of 226Ra, 232Th and 40K in 120 kaolinized granite samples. Measurement performed by gamma spectrometry with HPGe. In 6 samples gamma index I is higher than 2, which exceed the exemption dose criterion (0.3 mSv y−1).