{"title":"Kırşehir土壤样品自然和人工放射性水平及辐射危害指数的测定","authors":"Sümeyra Yamçıçıer, Doğan Yaşar","doi":"10.1515/ract-2023-0215","DOIUrl":null,"url":null,"abstract":"The aim of this study is to create a radiological map of Kırşehir province in Turkey by analyzing the radioactivity levels of soil samples and environmental radiation measurements. <jats:sup>226</jats:sup>Ra, <jats:sup>232</jats:sup>Th, <jats:sup>40</jats:sup>K and <jats:sup>137</jats:sup>Cs radionuclides were analysed in soil samples collected from 47 locations using gamma spectrometry with an HPGe detector. According to the results obtained, gamma radioactivity concentration ranges and mean values for <jats:sup>226</jats:sup>Ra, <jats:sup>232</jats:sup>Th, <jats:sup>40</jats:sup>K and <jats:sup>137</jats:sup>Cs were determined as 133 ± 15–1515 ± 128 Bq/kg (599.40 Bq/kg), 0.3 ± 0.09–21.1 ± 1.7 Bq/kg (4.61 Bq/kg), 8.7 ± 0.9–128.5 ± 8.5 Bq/kg (29.66 Bq/kg) and 11.6 ± 8.6–273.8 ± 19.9 Bq/kg (48.80 Bq/kg) respectively. Average radioactivity levels for <jats:sup>40</jats:sup>K and <jats:sup>232</jats:sup>Th are above the world average. The mean radium equivalent activity (Ra<jats:sub>eq</jats:sub>), gamma dose rate (<jats:italic>D</jats:italic>), annual effective dose equivalent (AEDE), external hazard index (<jats:italic>H</jats:italic> <jats:sub> <jats:italic>ex</jats:italic> </jats:sub>), and the excess lifetime cancer risk (ELCR) were calculated as 145.45 Bq/kg, 122.13 nGy/h, 0.15 mSv/h, 0.39 and 0.29 × 10<jats:sup>−3</jats:sup> respectively.","PeriodicalId":21167,"journal":{"name":"Radiochimica Acta","volume":"69 1","pages":""},"PeriodicalIF":1.4000,"publicationDate":"2023-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Determination of natural and artificial radioactivity levels and radiation hazard indices for soil samples in Kırşehir\",\"authors\":\"Sümeyra Yamçıçıer, Doğan Yaşar\",\"doi\":\"10.1515/ract-2023-0215\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The aim of this study is to create a radiological map of Kırşehir province in Turkey by analyzing the radioactivity levels of soil samples and environmental radiation measurements. <jats:sup>226</jats:sup>Ra, <jats:sup>232</jats:sup>Th, <jats:sup>40</jats:sup>K and <jats:sup>137</jats:sup>Cs radionuclides were analysed in soil samples collected from 47 locations using gamma spectrometry with an HPGe detector. According to the results obtained, gamma radioactivity concentration ranges and mean values for <jats:sup>226</jats:sup>Ra, <jats:sup>232</jats:sup>Th, <jats:sup>40</jats:sup>K and <jats:sup>137</jats:sup>Cs were determined as 133 ± 15–1515 ± 128 Bq/kg (599.40 Bq/kg), 0.3 ± 0.09–21.1 ± 1.7 Bq/kg (4.61 Bq/kg), 8.7 ± 0.9–128.5 ± 8.5 Bq/kg (29.66 Bq/kg) and 11.6 ± 8.6–273.8 ± 19.9 Bq/kg (48.80 Bq/kg) respectively. Average radioactivity levels for <jats:sup>40</jats:sup>K and <jats:sup>232</jats:sup>Th are above the world average. The mean radium equivalent activity (Ra<jats:sub>eq</jats:sub>), gamma dose rate (<jats:italic>D</jats:italic>), annual effective dose equivalent (AEDE), external hazard index (<jats:italic>H</jats:italic> <jats:sub> <jats:italic>ex</jats:italic> </jats:sub>), and the excess lifetime cancer risk (ELCR) were calculated as 145.45 Bq/kg, 122.13 nGy/h, 0.15 mSv/h, 0.39 and 0.29 × 10<jats:sup>−3</jats:sup> respectively.\",\"PeriodicalId\":21167,\"journal\":{\"name\":\"Radiochimica Acta\",\"volume\":\"69 1\",\"pages\":\"\"},\"PeriodicalIF\":1.4000,\"publicationDate\":\"2023-12-04\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Radiochimica Acta\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://doi.org/10.1515/ract-2023-0215\",\"RegionNum\":3,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"CHEMISTRY, INORGANIC & NUCLEAR\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Radiochimica Acta","FirstCategoryId":"92","ListUrlMain":"https://doi.org/10.1515/ract-2023-0215","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CHEMISTRY, INORGANIC & NUCLEAR","Score":null,"Total":0}
Determination of natural and artificial radioactivity levels and radiation hazard indices for soil samples in Kırşehir
The aim of this study is to create a radiological map of Kırşehir province in Turkey by analyzing the radioactivity levels of soil samples and environmental radiation measurements. 226Ra, 232Th, 40K and 137Cs radionuclides were analysed in soil samples collected from 47 locations using gamma spectrometry with an HPGe detector. According to the results obtained, gamma radioactivity concentration ranges and mean values for 226Ra, 232Th, 40K and 137Cs were determined as 133 ± 15–1515 ± 128 Bq/kg (599.40 Bq/kg), 0.3 ± 0.09–21.1 ± 1.7 Bq/kg (4.61 Bq/kg), 8.7 ± 0.9–128.5 ± 8.5 Bq/kg (29.66 Bq/kg) and 11.6 ± 8.6–273.8 ± 19.9 Bq/kg (48.80 Bq/kg) respectively. Average radioactivity levels for 40K and 232Th are above the world average. The mean radium equivalent activity (Raeq), gamma dose rate (D), annual effective dose equivalent (AEDE), external hazard index (Hex), and the excess lifetime cancer risk (ELCR) were calculated as 145.45 Bq/kg, 122.13 nGy/h, 0.15 mSv/h, 0.39 and 0.29 × 10−3 respectively.
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