Journal of Radioanalytical and Nuclear Chemistry最新文献_第9页

Assessment of natural radioactivity in coal-based thermal power plant area in Cuddalore district, Tamil Nadu 泰米尔纳德邦Cuddalore地区煤基火力发电厂区域天然放射性评估

IF 1.5 3区化学

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-01-08 DOI: 10.1007/s10967-024-09931-7

G. Poongodi, A. Chandrasekaran

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Dynamic experimental study on the radon adsorption performance of clay mineral-based walnut shell activated carbon composites 粘土矿物基核桃壳活性炭复合材料吸附氡性能的动态实验研究

IF 1.5 3区化学

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-01-08 DOI: 10.1007/s10967-024-09961-1

Leijuan Huang, Guojie Chen, Xiongfeng Luo, Dong Xie, Wengao Zeng, Suzhe Li, Zengming Tang

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Bioaccumulation of 238U and 239+240Pu in bivalve mollusks from different coastal areas of Mexico 238U和239+240Pu在墨西哥不同沿海地区双壳类软体动物体内的生物积累

IF 1.5 3区化学

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-01-07 DOI: 10.1007/s10967-024-09922-8

M. G. Almazán Torres, M. S. Almazán Martínez, E. Ordoñez Regil, A. Ramírez Villalva

{"title":"Bioaccumulation of 238U and 239+240Pu in bivalve mollusks from different coastal areas of Mexico","authors":"M. G. Almazán Torres, M. S. Almazán Martínez, E. Ordoñez Regil, A. Ramírez Villalva","doi":"10.1007/s10967-024-09922-8","DOIUrl":"10.1007/s10967-024-09922-8","url":null,"abstract":"<div>Uranium and plutonium isotopes were determined in bivalve mollusks from several coastal areas of Mexico. Four specimens of clam (Gallo, Chocolata, Chirla and Pata de Mula) and one of oyster (American) were acquired at a local distribution center. The radionuclides were extracted and purified using radiochemical procedures and measured by alpha spectrometry. In most cases, the activity concentration values of uranium and plutonium were greater in the shell than in the soft body of bivalves. The activity concentrations of 238U and 239+240Pu in the bivalve shell were between 0.21 and 1.29 Bq/kg, and 0.02 and 0.21 Bq/kg, respectively. The values for 238U and 239+240Pu in the soft body of bivalves were between 0.06 and 1.14 Bq/kg, and 0.004 and 0.09 Bq/kg, respectively. Hierarchical cluster analyses applied to data analysis revealed that the majority of samples were grouped into two clusters identified as Gulf of Mexico and Mexican Pacific due to their origin. Hence, the differences in activity concentrations may be associated with the content of the radionuclides in the medium where the specimen was developed. The accumulation of actinide elements in bivalve mollusks may be useful to evaluate the level of contamination due to heavy metals in the Mexican marine environment.</div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 2","pages":"1649 - 1659"},"PeriodicalIF":1.5,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143480878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Studying the relevance of mechanical process to the geochemical evolution in bentonite buffer of repositories for high-level radioactive waste 高放废物处置库膨润土缓冲层力学过程与地球化学演化的相关性研究

IF 1.5 3区化学

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-01-07 DOI: 10.1007/s10967-024-09955-z

Xiaoyuan Cao, Liange Zheng, Litang Hu

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GSProcessor: a software for batch processing of scintillation gamma-spectra GSProcessor：用于批量处理闪烁伽玛谱的软件

IF 1.5 3区化学

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-01-07 DOI: 10.1007/s10967-024-09969-7

A. Azimov, A. A. Safarov, A. N. Safarov, A. K. Mukhamedov, Sh. Kh. Khasanov , M. Salimov, M. Muminov

{"title":"GSProcessor: a software for batch processing of scintillation gamma-spectra","authors":"A. Azimov, A. A. Safarov, A. N. Safarov, A. K. Mukhamedov, Sh. Kh. Khasanov , M. Salimov, M. Muminov","doi":"10.1007/s10967-024-09969-7","DOIUrl":"10.1007/s10967-024-09969-7","url":null,"abstract":"<div>This study aims to evaluate the effectiveness of GSProcessor, a newly developed software designed to enhance the analysis of scintillation gamma-spectra for environmental radiation monitoring. GSProcessor addresses challenges such as interference and self-absorption by employing a spectrum decomposition technique. Soil samples from various depths were analyzed using NaI(Tl) scintillation detectors, with results validated against those from HPGe detectors. Calibration was conducted using certified point sources, and spectra were processed using GSProcessor, ASW software, and Genie-2000 software. The findings demonstrate a strong agreement in the specific activities of 226Ra, 232Th, 40K, and 137Cs across the three software tools. Notably, GSProcessor successfully determined the activity of the low-intensity cosmogenic radionuclide ⁷Be, highlighting its sensitivity and accuracy. These results suggest that GSProcessor is an effective and cost-efficient tool for gamma spectrometry in environmental radiation monitoring. Future work will involve validating the software with more complex radionuclide compositions to expand its applicability in radioecological studies and nuclear facility assessments.</div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 3","pages":"2185 - 2193"},"PeriodicalIF":1.5,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143707028","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Nano zirconium hydroxide gel as a sorbent material for 99Mo/99mTc radioisotope generator 纳米氢氧化锆凝胶作为99Mo/99mTc放射性同位素发生器的吸附材料

IF 1.5 3区化学

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-01-07 DOI: 10.1007/s10967-024-09918-4

H. E. Ramadan, M. A. El-Amir, M. Mostafa

{"title":"Nano zirconium hydroxide gel as a sorbent material for 99Mo/99mTc radioisotope generator","authors":"H. E. Ramadan, M. A. El-Amir, M. Mostafa","doi":"10.1007/s10967-024-09918-4","DOIUrl":"10.1007/s10967-024-09918-4","url":null,"abstract":"<div>Sorption of Mo(VI) from aqueous solutions onto nano zirconium hydroxide gels was studied using 99Mo radiotracer. The acid–base titration curves showed that the prepared nano Zr(OH)4 gels, Gel #1 and Gel #2, were amphoteric materials with points of zero charge (PZC’s) at pH 2.8 and 3.3, respectively. The highest distribution coefficients of molybdate(VI)-99Mo between both gels (Gel #1 and Gel #2) and Cl− media were achieved at pH 2. The maximum sorption capacities of Gel #1 and Gel #2 were found to be 165.7 ± 7.5 and 195.4 ± 8.1 mg Mo/g, respectively. The prepared 99Mo/99mTc chromatographic column generator based on Gel #2 (achieving the higher Mo capacity) showed a good performance; the 99mTc elution yield was 82.7 ± 2.0%, pH of the eluate ranged from 5 to 6.8, and 99Mo breakthrough in the eluted 99mTc was 0.005 ± 0.002% with a radiochemical purity of 97.3 ± 0.9% (as 99mTcO4−).</div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 2","pages":"1661 - 1670"},"PeriodicalIF":1.5,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10967-024-09918-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143480879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Radium and barium sorption and precipitation on crystalline rock; experimental results and modeling development 结晶岩石对镭、钡的吸附与沉淀；实验结果和模型开发

IF 1.5 3区化学

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-01-07 DOI: 10.1007/s10967-024-09966-w

Otto Fabritius, Xiaodong Li, Tatiana Sorokina, Anna-Maria Jakobsson, Tiina Sojakka, Marja Siitari-Kauppi

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Correction to: Study of thin film composites based on LiCoO2 and C60 using neutron depth profiling and atomic force microscopy 修正：用中子深度剖面和原子力显微镜研究LiCoO2和C60薄膜复合材料

IF 1.5 3区化学

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-01-07 DOI: 10.1007/s10967-024-09964-y

Giovanni Ceccio, Jiri Vacik, Vasyl Lavrentiev, Ivo Tomandl, Romana Miksova, Kazumasa Takahashi

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Investigating liquid Al electrodes for Ce(III) extraction from LiCl–KCl melts: a kinetic and thermodynamic study 液态铝电极从LiCl-KCl熔体中萃取Ce（III）的动力学和热力学研究

IF 1.5 3区化学

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-01-07 DOI: 10.1007/s10967-024-09974-w

Heng-Yu Tan, De-Bin Ji, Gang-Hui Li, Rui-Long Liang, Hong-Jun Wu

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Efficiency of carbothermal reduction in treating NORM waste containing Ba(226Ra)SO4 碳热还原法处理含 Ba(226Ra)SO4 的核燃料废料的效率

IF 1.5 3区化学

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-01-06 DOI: 10.1007/s10967-024-09935-3

Lin Zhang, Zonghui Lu, Zhe Su, Ye Zhang, Hui He

{"title":"Efficiency of carbothermal reduction in treating NORM waste containing Ba(226Ra)SO4","authors":"Lin Zhang, Zonghui Lu, Zhe Su, Ye Zhang, Hui He","doi":"10.1007/s10967-024-09935-3","DOIUrl":"10.1007/s10967-024-09935-3","url":null,"abstract":"<div>This study delineates the intrinsic composition of naturally occurring radioactive material (NORM) waste and affirms the viability of the carbothermal reduction method for the transformation of Ba(226Ra)SO4 into Ba(226Ra)S. The waste was solubilized using ethylenediaminetetraacetic acid, and its constituents were determined employing X-ray diffraction and inductively coupled plasma-atomic emission spectrometry, identifying barium sulfate (BaSO4) as the predominant component at a weight percentage of 67.13%. Thermodynamic calculations of the carbothermal reduction process were conducted utilizing the HSC Chemistry software, followed by systematic kinetic validation experiments with BaSO4 as a proxy for Ba(226Ra)SO4. The results demonstrate that carbothermal reduction of BaSO4 initiates at temperatures surpassing 776 °C. The conversion efficiency of BaSO4 to BaS is markedly influenced by temperature, with the rate escalating from 47.48% to 89.83% as the temperature is incremented from 850 °C to 950 °C. This method effectively converts the very insoluble NORM waste into readily soluble forms of Ba and Ra.</div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 2","pages":"1217 - 1224"},"PeriodicalIF":1.5,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143481165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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