Hayu Tyas Utami, Febbeline Lim, Dewi Kartikasari, Elistina, Sinta Nur Barokah, Primadi Ahsanu, Kusdiana, Putu Sukma Buana, Heru Prasetio
{"title":"Assessment of tritium exposure through urine samples analysis from selected Indonesian radiation workers","authors":"Hayu Tyas Utami, Febbeline Lim, Dewi Kartikasari, Elistina, Sinta Nur Barokah, Primadi Ahsanu, Kusdiana, Putu Sukma Buana, Heru Prasetio","doi":"10.1007/s10967-024-09861-4","DOIUrl":"10.1007/s10967-024-09861-4","url":null,"abstract":"<div><p>In this study tritium exposure was assessed through urine samples analysis by the determination of tritium concentration and effective dose of selected 25 laboratory radiation workers in non-nuclear power plant (non-NPP) facility and 15 people of general public in Jakarta. The samples were mixed with activated charcoal, filtered, and distilled before analysis using liquid scintillation counter. It is revealed that the concentration of tritium levels in urine varied substantially depending not only on the job category but also their water intake, metabolism, and environment. These findings are important as reference data for evaluating the radiological impact on the population from future tritium contamination in Indonesia.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"93 - 98"},"PeriodicalIF":1.5,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108938","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}
{"title":"Recovery of U(VI) from uranium-associated coal mine wastewater by microwave irradiation-modified Photinia × fraseri Dress biochar","authors":"Yiqing Yang, Shimi Li, Dianxin Li, Siyou Xiao, Wenxian Guo, Jiangang Liu, Ziqi Nie","doi":"10.1007/s10967-024-09877-w","DOIUrl":"10.1007/s10967-024-09877-w","url":null,"abstract":"<div><p>Developing efficient adsorbents is key to mitigate radioactive contamination in coal mine wastewater and improve uranium extraction. This study processed local <i>Photinia</i> × <i>fraseri Dress</i> into biochar via high-temperature carbonization. Microwave irradiation yielded modified biochar, then treated under alkaline conditions and dilute sulfuric acid to produce PDC-M-K and PDC-M-H. The study found that PDC-M-K and PDC-M-H had U(VI) adsorption capacities of 79.6 and 116.3 mg U/g ads, with utilization rates of 69.3% and 75.6%, respectively. Their adsorption selectivity for U(VI) was 66.5% and 72.8%. Indicating that modified biochar effectively adsorbs U(VI) from wastewater, providing a reference for future studies.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"11 - 26"},"PeriodicalIF":1.5,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108501","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}
{"title":"Diffusion of radioactive anion and cation in silver-calcium-bentonite","authors":"Noémi M. Nagy, József Kónya","doi":"10.1007/s10967-024-09862-3","DOIUrl":"10.1007/s10967-024-09862-3","url":null,"abstract":"<div><p>In the geological disposal of nuclear waste, the simultaneous reduction of diffusion rate of cationic and anionic radioactive species is essential. Natural calcium-bentonite only reduces the diffusion rate of cations, not anions. In this study, the half of calcium ions is bentonite was exchanged to silver ions to reduce diffusion rates of both of radioactive cation (<sup>137</sup>Cs<sup>+</sup>) and anions (<sup>36</sup>Cl<sup>−</sup>, <sup>131</sup>I<sup>−</sup>) at the same time. This is due to the precipitation of silver halides in the interlayer space. The diffusion rate of both anionic and cationic radioactive species are small in compacted the silver-calcium bentonite.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"215 - 225"},"PeriodicalIF":1.5,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10967-024-09862-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108500","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}
M. Au, L. Nies, S. Stegemann, M. Athanasakis-Kaklamanakis, T. E. Cocolios, P. Fischer, P. F. Giesel, J. D. Johnson, U. Köster, D. Lange, M. Mougeot, J. Reilly, M. Schlaich, Ch. Schweiger, L. Schweikhard, F. Wienholtz, W. Wojtaczka, Ch. E. Düllmann, S. Rothe
{"title":"Production and purification of molecular 225Ac at CERN-ISOLDE","authors":"M. Au, L. Nies, S. Stegemann, M. Athanasakis-Kaklamanakis, T. E. Cocolios, P. Fischer, P. F. Giesel, J. D. Johnson, U. Köster, D. Lange, M. Mougeot, J. Reilly, M. Schlaich, Ch. Schweiger, L. Schweikhard, F. Wienholtz, W. Wojtaczka, Ch. E. Düllmann, S. Rothe","doi":"10.1007/s10967-024-09811-0","DOIUrl":"10.1007/s10967-024-09811-0","url":null,"abstract":"<div><p>The radioactive nuclide <sup>225</sup>Ac is one of the few promising candidates for cancer treatment by targeted-<span>(alpha)</span>-therapy, but worldwide production of <sup>225</sup>Ac faces significant limitations. In this work, the Isotope Separation On-Line method was used to produce actinium by irradiating targets made of uranium carbide and thorium carbide with 1.4-GeV protons. Actinium fluoride molecules were formed, ionized through electron impact, then extracted and mass-separated as a beam of molecular ions. The composition of the mass-selected ion beam was verified using time-of-flight mass spectrometry, <span>(alpha)</span>- and <span>(gamma)</span>-ray decay spectrometry. Extracted quantities of <span>(^{225}textrm{Ac}^{19}textrm{F}_2^{+})</span> particles per <span>(upmu)</span>C of incident protons were <span>(3.9(3)times 10^7)</span> from a uranium carbide target and <span>(4.3(4)times 10^7)</span> for a thorium carbide target. Using a magnetic mass separator, the long-lived contamination <sup>227</sup> Ac is suppressed to <span>(<5.47times 10^{-7})</span> (95% confidence interval) with respect to <sup>225</sup>Ac by activity. Measured rates scale to collections of 108 kBq<span>(upmu)</span>A<span>(^{-1})</span>h<span>(^{-1})</span> of directly produced <span>(^{225}textrm{Ac}^{19}textrm{F}_2^{+})</span>.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"367 - 379"},"PeriodicalIF":1.5,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10967-024-09811-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108736","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}
{"title":"Modeling the radon build-up in a closed environment using developed OpenFOAM solver","authors":"Dibyendu Rana, Vivekanand Jha, RLokeswara Patnaik, Manish Kumar Singh, Sanjay Kumar Jha","doi":"10.1007/s10967-024-09872-1","DOIUrl":"10.1007/s10967-024-09872-1","url":null,"abstract":"<div><p>Modeling radon (<sup>222</sup>Rn) development in confined environments aids in predicting radon levels in dwellings and underground spaces, where radium <sup>226</sup>Ra in building materials and soil emits radon gas via radioactive decay. Radon accumulates in poorly ventilated places, creating an inhalation hazard. In OpenFOAM, a C+ +-based computational tool, an existing heat conduction solver was adapted to simulate radon accumulation, considering radon's radioactive characteristics and material non-uniformity through which radon will permeate. The solver was validated against theoretical values in a one-dimensional system and then applied to study radon dispersion in containment, with potential for broader applications.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"263 - 273"},"PeriodicalIF":1.5,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10967-024-09872-1.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108735","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}
{"title":"Cathode processes and uranium electrochemical extraction on W and Ga electrodes in LiCl–KCl melt","authors":"Alena Novoselova, Valeri Smolenski","doi":"10.1007/s10967-024-09867-y","DOIUrl":"10.1007/s10967-024-09867-y","url":null,"abstract":"<div><p>The electrochemical and thermodynamic properties of uranium compounds were studied in molten ultra-pure LiCl–KCl eutectic at 723–823 K on inert W and reactive Ga electrodes by different electrochemical techniques. The mechanism of the cathode reaction was determined and the diffusion coefficients of U(III) complex ions were calculated for reversible and irreversible systems. The deposition of uranium(III) on reactive Ga electrode was proceeded with depolarization and accompanied by the formation of intermetallic compounds. The conditions of the alloy formation via potentiostatic electrolysis were found. Thermodynamic properties of UCl<sub>3</sub> and UGa<sub>3</sub> were calculated.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"67 - 78"},"PeriodicalIF":1.5,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108799","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}
O. V. Chakilev, S. V. Kolesnikov, S. G. Rudakov, P. S. Dzhumaev
{"title":"Elemental analysis of nickel ore by PGNAA","authors":"O. V. Chakilev, S. V. Kolesnikov, S. G. Rudakov, P. S. Dzhumaev","doi":"10.1007/s10967-024-09854-3","DOIUrl":"10.1007/s10967-024-09854-3","url":null,"abstract":"<div><p>Prompt gamma neutron activation analysis of nickel ore samples was carried out using a DT portable pulsed neutron generator and a Ø 7.6 × 7.6 cm LaBr<sub>3</sub> detector. Rock powders of nickel ore were analyzed and elements Fe, Si, S, Ni were determined by using calibration curves from standard samples. The minimum detection concentrations of Fe, Si, Ni and S determined from ore samples were 0.87, 1.50, 0.04 and 1.05 wt% respectively.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"1 - 9"},"PeriodicalIF":1.5,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108520","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}
Qi Li, Jiaqi Wang, Hairui Hou, Min Wang, Shujun Yu, Huan Xu, Dong Fu, Xiangxue Wang
{"title":"Efficient uranium removal by amidoxime functionalized graphitic carbon nitride and its potential mechanism","authors":"Qi Li, Jiaqi Wang, Hairui Hou, Min Wang, Shujun Yu, Huan Xu, Dong Fu, Xiangxue Wang","doi":"10.1007/s10967-024-09848-1","DOIUrl":"10.1007/s10967-024-09848-1","url":null,"abstract":"<div><p>In this work, an amidoxime functionalized graphitic carbon nitride (g–C<sub>3</sub>N<sub>4</sub>–AO) was prepared by grafting amidoxime groups onto graphitic carbon nitride (g–C<sub>3</sub>N<sub>4</sub>). The results of the kinetic and isotherm studies conducted on g–C<sub>3</sub>N<sub>4</sub>–AO indicate it exhibits rapid sorption kinetics by achieving equilibrium in 30 min with a homogeneous surface which performed a maximum sorption capacity of 67.1 mg g<sup>−1</sup>. The zeta potential values of the g–C<sub>3</sub>N<sub>4</sub>–AO are between 35 to − 44.3 mV in the pH range of 2.0–11.0. It was further observed that it complexes with uranium ions, which act as bidentate ligands, utilizing the lone pairs on O and N atoms. The empirical evidence strongly suggests that the utilization of g–C<sub>3</sub>N<sub>4</sub>–AO in uranium water remediation can be a promising solution.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"419 - 431"},"PeriodicalIF":1.5,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108518","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}
{"title":"Enhanced decontamination of surface radioactive contamination using a hydrogel coating composited with Prussian blue","authors":"Man Yang, Zhanguo Li, Yi Wang, Xiaoyan Lin","doi":"10.1007/s10967-024-09849-0","DOIUrl":"10.1007/s10967-024-09849-0","url":null,"abstract":"<div><p>In this study, a hydrogel-based strippable coating was expeditiously synthesised by employing hydrogen bonding between eco-compatible guar gum (GG), borax, and glycerol (Gly), thereby endowing the coating with excellent swelling capabilities and a high water retention capacity. This approach was specifically designed to navigate the intricate rheological management associated with strippable coating decontaminants. Through the incorporation of Prussian blue (PB), a material highly effective in adsorbing cesium (Cs), the solubility and diffusion of radionuclides within the hydrogel were significantly enhanced, thereby augmenting the decontamination efficacy of the hydrogel. The PB–GG–Gly composite demonstrated remarkable decontamination efficiencies, removing Cs from surfaces of glass, stainless steel, rubber, lacquer, and cement with percentages of 99.66%, 99.37%, 99.71%, 99.67%, and 83.83%, respectively.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"501 - 513"},"PeriodicalIF":1.5,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108519","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}
{"title":"Assessment of chemical risk associated with naturally occurring uranium in groundwater from East Khandesh, India","authors":"Ravindra Mahajan, Amol Kale, Divya Patel, Sopan Ingle, Pramod Mahulikar","doi":"10.1007/s10967-024-09841-8","DOIUrl":"10.1007/s10967-024-09841-8","url":null,"abstract":"<div><p>This study assessed the chemo-radiological risks of naturally occurring uranium in groundwater from Dhule district, India, focusing on its potential health impacts. Water samples were collected across the district and analyzed for uranium concentration along with physicochemical parameters. The findings reveal significant uranium presence, raising concerns about human health. A thorough risk evaluation underscores the urgent need for continued investigation and the development of targeted mitigation strategies to minimize health risks. These results emphasize the importance of addressing uranium contamination in groundwater to protect public health in the affected area.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"119 - 130"},"PeriodicalIF":1.5,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108319","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}