{"title":"Development of analytical method for zirconium determination in U–Pu–Zr alloy samples","authors":"Vivekchandra Guruprasad Mishra, Neetika Rawat, Uday Kumar Thakur, Ashwani Kumar, Kaity Santu","doi":"10.1007/s10967-024-09893-w","DOIUrl":"10.1007/s10967-024-09893-w","url":null,"abstract":"<div><p>The study focuses on developing a robust method for determining zirconium in U–Pu–Zr alloy samples, crucial for assessing fuel composition and ensuring uniformity. Using mandelic acid precipitation and spectrophotometric quantification with Arsenazo-III, the method achieves high sensitivity and reproducibility, crucial for handling microgram-levels of Pu. By optimizing conditions to maintain Pu in its + 3 oxidation state, interference during Zr precipitation is minimized. Comparative analyses with ICP-AES validate the accuracy and reliability of the results. This approach not only enhances analytical precision but also reduces radioactive waste, making it suitable for nuclear fuel characterization.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"535 - 540"},"PeriodicalIF":1.5,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10967-024-09893-w.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143110173","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}
Mounir Aït-Ziane, Edmond Dupuis, Hilde Loots, Leen Verheyen, Michel Bruggeman, Marielle Lecomte, Damien Braekers, Meriem Mezaguer-Lekouaghet, Zohra Lounis-Mokrani
{"title":"Radon measurements in drinking water: a comparison between different techniques","authors":"Mounir Aït-Ziane, Edmond Dupuis, Hilde Loots, Leen Verheyen, Michel Bruggeman, Marielle Lecomte, Damien Braekers, Meriem Mezaguer-Lekouaghet, Zohra Lounis-Mokrani","doi":"10.1007/s10967-024-09884-x","DOIUrl":"10.1007/s10967-024-09884-x","url":null,"abstract":"<div><p>Radon-222 concentrations in drinking water samples, collected from four sites, with known concentrations, located in Troine, Hoffelt and Hachiville (Luxembourg) and Sainte Adèle source (Belgium) have been found about 111.2, 90.4, 86.0, and 83.7 Bq l<sup>−1</sup> respectively. The samples have been analysed by six laboratories using gamma-ray spectrometry, emanometry and liquid scintillation counting. The performance of the participating laboratories and their measurements were evaluated with respect to the consensus value using statistical tests. The obtained results indicate that all measurement system used as well as methods to measure radon-222 in water are good and comply to the European directive.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"57 - 66"},"PeriodicalIF":1.5,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143109812","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}
Ho Manh Dung, Tran Quang Thien, Ho Van Doanh, Phonesavanh Lathdavong, Truong Truong Son, Tran Tuan Anh, Dao Van Hoang
{"title":"A dual method using SMELS for neutron flux self-monitoring and quality control in k0-NAA","authors":"Ho Manh Dung, Tran Quang Thien, Ho Van Doanh, Phonesavanh Lathdavong, Truong Truong Son, Tran Tuan Anh, Dao Van Hoang","doi":"10.1007/s10967-024-09890-z","DOIUrl":"10.1007/s10967-024-09890-z","url":null,"abstract":"<div><p>This study presents a dual method for neutron flux self-monitoring and quality control in the <i>k</i><sub>0</sub>-based neutron activation analysis (<i>k</i><sub>0</sub>-NAA) using the Synthetic Multi-Element Standards (SMELS). SMELS comprise three distinct types, designated as Type I for short-lived, Type II for medium-lived, and Type III for long-lived radionuclides, all of which are employed for validating the <i>k</i><sub>0</sub>-NAA. Each SMELS type incorporates assigned amounts of gold (Au) and can serve as a neutron flux monitor. The Au concentration was automatically integrated into k0-DALAT—a home made software to calculate the gold specific activity (<i>A</i><sub>sp,Au</sub>), thereby derivating of mass fractions of elements of interest in the <i>k</i><sub>0</sub>-NAA. Additionally, the assigned concentrations of other elements within SMELS were used for <i>k</i><sub>0</sub>-NAA quality control purpose. Replicate analyses of NIST-SRM-1633b (Coal Fly Ash) and NIST-SRM-679 (Brick Clay) by <i>k</i><sub>0</sub>-NAA showed determination up to 29 and 25 elements, respectively with deviations within 7%, of which <i>u</i>-scores were almost less than ∣2.58∣, except only for Na and Fe of all 2.99. It revealed that the dual method using SMELS for both neutron flux self-monitoring and quality control considered convenient and consistent in comparison with the results obtained by the conventional independent comparator method biased within 1%.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"49 - 56"},"PeriodicalIF":1.5,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143109247","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":"The diffusion behavior of Re(VII) in bentonite with low porosity","authors":"Weitong Chen, Dongyang Chen, Xinyu Chen, Jintao Wang, Weiran Wang, Zhifen Wang","doi":"10.1007/s10967-024-09887-8","DOIUrl":"10.1007/s10967-024-09887-8","url":null,"abstract":"<div><p>The diffusion behavior of Re(VII) in bentonite with low porosity was investigated by the capillary method at different SO<sub>4</sub><sup>2−</sup> concentrations, dry densities, pH values and ionic strengths. The batch experiment results revealed that the <i>D</i><sub><i>a</i></sub> values decreased with increasing SO<sub>4</sub><sup>2−</sup> concentration and dry density. This is mainly due to CaSO<sub>4</sub> precipitation blocking pore water channels to form low-porosity bentonite, and the porosity of bentonite with low porosity decreases as the dry density increases. In contrast, the influence of pH on the diffusion behavior of Re(VII) is relatively small. Moreover, the <i>D</i><sub><i>a</i></sub> values increase as the ionic strength increases because the free water pore channels widen.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"525 - 533"},"PeriodicalIF":1.5,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143109106","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":"Research progress on neutron depth profiling at China advanced research reactor","authors":"Caijin Xiao, Liang Zhao, Yonggang Yao, Xiangchun Jin, Yu Zhang, Guojian Guo","doi":"10.1007/s10967-024-09891-y","DOIUrl":"10.1007/s10967-024-09891-y","url":null,"abstract":"<div><p>A neutron depth profiling (NDP) system was established at a cold neutron beam of China Advanced Research Reactor (CARR). In the recent years, we have upgraded the CARR NDP facility and made considerable advancements in spectral deconvolution methodology and related experiments. In 2023 CARR has been operational for over 100 days, conducting various experiments utilizing the NDP apparatus. These experiments encompassed several objectives: measurement thin films thickness, Li transportation and distribution in cathode materials and B distribution in semiconductor materials.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"41 - 47"},"PeriodicalIF":1.5,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143109231","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":"Adsorption of aqueous uranium(VI) species on graphitic carbon nitride adsorbent (g-CNA): kinetic, isotherm and thermodynamic studies","authors":"A. Dhanasekaran, Ilaiyaraja Perumal","doi":"10.1007/s10967-024-09869-w","DOIUrl":"10.1007/s10967-024-09869-w","url":null,"abstract":"<div><p>A graphitic carbon nitride adsorbent (g-CNA) has been developed for the removal of uranium from water. Experiments revealed that g-CNA exhibited a U(VI) adsorption capacity of 312.5 mg g<sup>−1</sup>, reaching equilibrium within 30 min at pH 6.0. The Langmuir isotherm fit confirmed the monolayer U(VI) adsorption. Pseudo-second-order kinetics indicated that U(VI) and g-CNA concentrations influenced the reaction rate, with electrostatic interactions involved in the adsorption mechanism. Thermodynamic studies indicated spontaneous exothermic adsorption of U(VI) on g-CNA. The adsorption efficiency of g-CNA remained stable with the electrolytes, and the adsorbed U(VI) was removed with HCl, confirming its potential for U(VI) remediation.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"79 - 91"},"PeriodicalIF":1.5,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143109067","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":"Distribution of 226Ra, 210Pb and 210Po in soil of a uranium mineralised region of Northern Karnataka, India","authors":"I. Yashodhara, K. Sudeep Kumara, N. Karunakara","doi":"10.1007/s10967-024-09880-1","DOIUrl":"10.1007/s10967-024-09880-1","url":null,"abstract":"<div><p>The activity concentrations of <sup>226</sup>Ra, <sup>210</sup>Pb, and <sup>210</sup>Po in soil samples were measured in the Gogi region of Yadgiri district, Karnataka, South India, which is a uranium mineralisation area with prospects for future mining. A total of 273 samples were analysed from 0–5, 5–15, and 15–30 km zones around Gogi, the common centre of all the zones. The activity concentrations of these radionuclides were similar to the global average values. A strong positive correlation was found between the activity concentration values of <sup>226</sup>Ra, <sup>210</sup>Pb and <sup>210</sup>Po. Negative correlations were found between the activity concentrations of these radionuclides and soil characteristics such as cation exchange capacity (CEC), organic matter content (OMC), and pH.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"303 - 314"},"PeriodicalIF":1.5,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143109128","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":"A Monte Carlo approach for predictive tools in gamma irradiator: a review","authors":"Bimo Saputro, Adhi Harmoko Saputro, Nunung Nuraeni","doi":"10.1007/s10967-024-09871-2","DOIUrl":"10.1007/s10967-024-09871-2","url":null,"abstract":"<div><p>This study investigates accurate dose mapping for gamma irradiators, particularly for broad-beam radiation types. The main objectives are to identify the most suitable algorithm by comparing Monte Carlo simulations and measurements, analyzing factors such as standard error, dosimeter placement, and environmental influences. Key findings show that certain algorithms and dosimeter setups yield higher accuracy and reliability in dose mapping. The study concludes that integrating software-based and measurement approaches enhances dose distribution precision, providing valuable insights for quality control and process optimization. This research contributes significantly to improved efficiency in gamma irradiation applications across various industries.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"27 - 39"},"PeriodicalIF":1.5,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108939","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":"Evaluation of ecological risks of rare earth elements in the topsoil of paddy fields in the granite red soil watershed","authors":"Haibin Chen, Zhibiao Chen, Zhiqiang Chen, Haimei Chen","doi":"10.1007/s10967-024-09874-z","DOIUrl":"10.1007/s10967-024-09874-z","url":null,"abstract":"<div><p>The migration and enrichment of rare earth after mining activities pose a significant environmental threat to the surrounding habitants. We conducted a study at the Zhuxi watershed to analyze the rare earth element distribution in the topsoil after mining activities. Our findings reveal that the rare earth elements content in the top soil of the watershed shows a decreasing trend from the eastern area to the western area. The distribution of each element indicated that the crust abundance had the greatest influence. Mining activities can affect the fractionation of rare earth elements. The ecological risk assessment of rare earth elements necessitates comprehensive assessments, as the geoaccumulation method weakens the impact of a single element.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"449 - 459"},"PeriodicalIF":1.5,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108867","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":"Determination of 90Sr in large mass of apples and cabbages by triple quadruple collision/reaction cell ICP–MS","authors":"Ningjie Zhong, Xinghong Zhao, Lili Li, Changkun Xu, Shenghui Huang, Lifei Zhao, Yonggang Zhao","doi":"10.1007/s10967-024-09857-0","DOIUrl":"10.1007/s10967-024-09857-0","url":null,"abstract":"<div><p>A practical, rapid, and reliable method for the ultra-trace determination of <sup>90</sup>Sr by triple quadruple collision/reaction cell inductively coupled plasma mass spectrometry (CRC–ICP–MS/MS) has been developed. Suitable sample preparation was investigated, and the chemical separation has been achieved with the decontamination factor over 1 × 10<sup>5</sup> for interfering nuclide <sup>90</sup>Zr. The concentrations of <sup>90</sup>Sr in two kinds of samples were determined successfully, with the average values of 7.2 ± 0.7 fg·g<sup>−1</sup>, 5.0 ± 0.5 fg·g<sup>−1</sup>, respectively. The ratios of <sup>90</sup>Sr to <sup>88</sup>Sr were 5.2 × 10<sup>–8</sup>, 2.2 × 10<sup>–9</sup>, respectively, and the instrumental detection limit of <sup>90</sup>Sr was 0.09 pg·g<sup>−1</sup>.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"131 - 140"},"PeriodicalIF":1.5,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108936","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}