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Adsorption of cobalt on xanthate functionalized amine resin in aqueous solutions: batch and fixed-bed studies 黄药功能化胺树脂在水溶液中对钴的吸附：批量和固定床研究
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-08-02 DOI: 10.1007/s10967-025-10301-0
Yusen Liu, Yizhi Chen, Qiqi Guo, Peng Zhang, Yifan Li, Zhiyi Wang, Hanbao Chong, Mingzhang Lin
{"title":"Adsorption of cobalt on xanthate functionalized amine resin in aqueous solutions: batch and fixed-bed studies","authors":"Yusen Liu,&nbsp;Yizhi Chen,&nbsp;Qiqi Guo,&nbsp;Peng Zhang,&nbsp;Yifan Li,&nbsp;Zhiyi Wang,&nbsp;Hanbao Chong,&nbsp;Mingzhang Lin","doi":"10.1007/s10967-025-10301-0","DOIUrl":"10.1007/s10967-025-10301-0","url":null,"abstract":"<div><p>Removing <sup>60</sup>Co from the primary-circuit wastewater of nuclear power plant is essential for environmental protection and the health of workers. An efficient Co<sup>2+</sup> adsorbent was prepared by modifying amine resin D380 with carbon disulfide (CS₂) under alkaline conditions to yield xanthate-functionalized amino resin (XD380). Key experimental variables governing Co<sup>2+</sup> uptake in aqueous media were systematically examined. The maximum adsorption capacity reached 68.07 mg g<sup>−1</sup> at pH 7, with a XD380 dosage of 2.5 mg mL<sup>−1</sup>.The Freundlich isothermal adsorption model and pseudo-second-order adsorption kinetics effectively describe the adsorption behavior. XD380 exhibits notable radiation resistance, reusability, and adsorption selectivity. In dynamic adsorption experiments, the dynamic equilibrium adsorption capacity reached 13.17 mg g<sup>−1</sup> under optimal conditions. Spectroscopic analyses before and after adsorption indicate that sulfur and nitrogen atomic groups serve as the primary binding sites, with Co<sup>2+</sup> being adsorbed and fixed through chelation and complexation. These findings provide a solid experimental foundation for the potential application of XD380 in treating radioactive cobalt-bearing wastewater.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 8","pages":"5847 - 5860"},"PeriodicalIF":1.6,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145090310","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}
引用次数: 0
Efficient removal of uranium from aqueous solutions using a layered ternary Fe/Ba/Mg metal hydroxide 用层状三元Fe/Ba/Mg金属氢氧化物有效去除水溶液中的铀
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-08-02 DOI: 10.1007/s10967-025-10300-1
Guofeng Wang, Yi Gong, Yishuo Zhang, Yibao Liu, Xiaoyan Li
{"title":"Efficient removal of uranium from aqueous solutions using a layered ternary Fe/Ba/Mg metal hydroxide","authors":"Guofeng Wang,&nbsp;Yi Gong,&nbsp;Yishuo Zhang,&nbsp;Yibao Liu,&nbsp;Xiaoyan Li","doi":"10.1007/s10967-025-10300-1","DOIUrl":"10.1007/s10967-025-10300-1","url":null,"abstract":"<div><p>A layered ternary Fe/Ba/Mg metal hydroxide was prepared via the co-precipitation method to remove U(VI) from aqueous solutions. The Fe/Ba/Mg composite was characterized using various methods, and its U(VI) removal performance was investigated in aqueous solutions. The ternary Fe/Ba/Mg metal hydroxide exhibited a U(VI) removal capacity of 436.68 mg·g<sup>−1</sup>. The presence of other coexisting ions negligibly affected the U(VI) removal capacity. The adsorption of U(VI) by the Fe/Ba/Mg composite was a spontaneous and endothermic process. This study demonstrates the good application prospects of the ternary Fe/Ba/Mg metal hydroxide in the treatment of uranium-containing wastewater.</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 8","pages":"5743 - 5753"},"PeriodicalIF":1.6,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145090308","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}
引用次数: 0
Application of polyethylene naphthalate sheets to alpha particle discrimination in the use of 4πα-γ anti-coincidence spectroscopy 聚萘二甲酸乙二醇酯片材在4πα-γ反符合光谱中辨别α粒子的应用
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-08-02 DOI: 10.1007/s10967-025-10290-0
Yuya Soeta, Takahiro Yamada, Ken-ichi Mori, Yasushi Sato
{"title":"Application of polyethylene naphthalate sheets to alpha particle discrimination in the use of 4πα-γ anti-coincidence spectroscopy","authors":"Yuya Soeta,&nbsp;Takahiro Yamada,&nbsp;Ken-ichi Mori,&nbsp;Yasushi Sato","doi":"10.1007/s10967-025-10290-0","DOIUrl":"10.1007/s10967-025-10290-0","url":null,"abstract":"<div><p>The applicability of polyethylene naphthalate (PEN) sheets for α-particle discrimination was investigated by both experimental and Monte Carlo (MC) simulation approaches. <sup>223</sup>Ra source was sandwiched between two PEN sheets and utilized as a 4πα-detector. The 4πα-γ anticoincidence technique was employed to determine the individual α-efficiencies of <sup>223</sup>Ra and its progeny. As a result, the discriminated α-efficiencies obtained from α-γ anticoincidence spectroscopy for 25, 38 and 50 μm PEN sheets were approximately 90% or higher, with β-contribution of 1% or less. In MC simulation, α-efficiency of approximately 100% was obtained for 38 and 50 μm thick PEN sheets, with β-contribution of 0.1%. Experimental α-efficiencies declined more sharply with increasing α-energy than those from simulations, likely due to the unmodeled self-absorption and scattering effects.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 9","pages":"5933 - 5941"},"PeriodicalIF":1.6,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145210411","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}
引用次数: 0
Determination of radioactivity levels and radiological risk assessment of rock samples collected from Central Pontides (Central Anatolia, Türkiye) 从中央池塘采集的岩石样本的放射性水平测定和放射性风险评估（土耳其中部安纳托利亚）
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-08-02 DOI: 10.1007/s10967-025-10302-z
Didem Avcı Karakurt, Caner Yalçın, Recep Taygun Güray, Ezgi Tantoğlu, Ömer Faruk Çelik, Mutlu Özkan
{"title":"Determination of radioactivity levels and radiological risk assessment of rock samples collected from Central Pontides (Central Anatolia, Türkiye)","authors":"Didem Avcı Karakurt,&nbsp;Caner Yalçın,&nbsp;Recep Taygun Güray,&nbsp;Ezgi Tantoğlu,&nbsp;Ömer Faruk Çelik,&nbsp;Mutlu Özkan","doi":"10.1007/s10967-025-10302-z","DOIUrl":"10.1007/s10967-025-10302-z","url":null,"abstract":"<div><p>The primary objective of this study is to determine the levels of natural radioactivity (<sup>238</sup>U, <sup>232</sup>Th and <sup>40</sup>K) in 46 rock samples collected from the Central Pontides region (Central Anatolia). The radioactivity of rocks is crucial in geology, not only for assessing environmental radiation exposure and its potential health effects but also for monitoring groundwater quality and identifying geothermal energy sources. The specific activity values were determined using a calibrated high-purity germanium detector (HPGe). The calculation of basic radiological risk parameters was also undertaken. The analysis revealed that volcanic and plutonic rock samples exhibited elevated levels of specific activity for <sup>40</sup>K, <sup>238</sup>U, and <sup>232</sup>Th, while the lowest radioactivity levels were observed in ultramafic rock formations.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 8","pages":"5427 - 5440"},"PeriodicalIF":1.6,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145090311","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}
引用次数: 0
A coincidence ion beam analysis methodology for high resolution depth profiling of nickel using a resonance in the 58Ni(p, γ)59Cu reaction 基于58Ni(p, γ)59Cu反应共振的符合离子束分析方法对镍进行高分辨率深度分析
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-08-02 DOI: 10.1007/s10967-025-10304-x
A. A. Sukumar, D. V. Lakshmipathy, Y. Sunitha, Sk Jayabun, J. V. Ramana, G. L. N. Reddy
{"title":"A coincidence ion beam analysis methodology for high resolution depth profiling of nickel using a resonance in the 58Ni(p, γ)59Cu reaction","authors":"A. A. Sukumar,&nbsp;D. V. Lakshmipathy,&nbsp;Y. Sunitha,&nbsp;Sk Jayabun,&nbsp;J. V. Ramana,&nbsp;G. L. N. Reddy","doi":"10.1007/s10967-025-10304-x","DOIUrl":"10.1007/s10967-025-10304-x","url":null,"abstract":"<div><p>A coincidence mode Ion Beam Analysis (CIBA) methodology has been standardised for the depth profiling of nickel. The methodology is unique, as the 1424 keV resonance in the <sup>58</sup>Ni(p, <i>γ</i>)<sup>59</sup>Cu reaction was utilised for interference free determination and depth profiling of nickel, using four channel high-speed digitizer, in coincidence spectroscopy mode (CI-NRRA). The aforementioned reaction, with a <i>Q</i> value of 3.42 MeV, emits characteristic <i>γ</i>-rays of 4817.7 keV, 4326.6 keV, and 491.1 keV energy. The 4326.6 keV, 491.1 keV <i>γ</i> -rays, emitted concomitantly, in the two-step cascade transition of the 4817.7 keV excited state, were detected in coincidence mode. Angular correlation studies were carried out to maximize coincidence events. Nickel depth profiling was carried out in Ni/Si, Cr/Ni/Si, Nb-W-Ta/Ni/Si films and Ni bulk targets. CI-NRRA facilitated the removal of interferences from chromium (Cr) and silicon (Si). The present study, which enables high resolution depth profile of Ni in various substrates, is the first of its kind to carry out Nuclear Resonance Reaction Analysis (NRRA) in coincidence mode for the depth profiling.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 8","pages":"5589 - 5599"},"PeriodicalIF":1.6,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10967-025-10304-x.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145090314","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}
引用次数: 0
Utility of low specific activity 90Y produced in a medium flux research reactor in the preparation of radioactive patch for the treatment of skin ailments 在中等通量研究反应器中产生的低比活度90Y在制备治疗皮肤病的放射性贴片中的用途
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-08-02 DOI: 10.1007/s10967-025-10276-y
K. V. Vimalnath, A. Rajeswari, Sai Kishore, Nandini Pandit, Sudipta Chakraborty
{"title":"Utility of low specific activity 90Y produced in a medium flux research reactor in the preparation of radioactive patch for the treatment of skin ailments","authors":"K. V. Vimalnath,&nbsp;A. Rajeswari,&nbsp;Sai Kishore,&nbsp;Nandini Pandit,&nbsp;Sudipta Chakraborty","doi":"10.1007/s10967-025-10276-y","DOIUrl":"10.1007/s10967-025-10276-y","url":null,"abstract":"<div><p>The article discusses the application of low-specific-activity ⁹⁰Y [<i>T</i><sub>½</sub> = 64.1 h, <i>E</i><sub>β-</sub>(max) = 2.28 MeV] in the preparation of radioactive patch sources for the treatment of superficial skin conditions, particularly keloids. Yttrium-90 was produced with 688 ± 41 MBq/mg specific activity and &gt; 99.9% radionuclide purity in a medium flux research reactor. A simple and reproducible method was established to prepare radioactive patch sources, incorporating 92 ± 8 MBq of <sup>90</sup>Y in each source with uniform distribution of radioactivity, without any surface contamination and almost no leaching of radioactivity. Preliminary investigations with developed sources in recalcitrant keloids showed promising outcome.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 8","pages":"5489 - 5498"},"PeriodicalIF":1.6,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10967-025-10276-y.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145090315","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}
引用次数: 0
Synthesis and preliminary evaluation of 47Sc-labeled FAPI-46 for cancer theranostics 47sc标记FAPI-46的合成及初步评价
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-07-31 DOI: 10.1007/s10967-025-10281-1
Dongping Su, Yuhao Liao, Jieru Wang, Ruomeng Liu, Huawei Cai, Xiaojie Yin, Zhi Qin, Jinsong Zhang, Zeen Yao, Bo Li
{"title":"Synthesis and preliminary evaluation of 47Sc-labeled FAPI-46 for cancer theranostics","authors":"Dongping Su,&nbsp;Yuhao Liao,&nbsp;Jieru Wang,&nbsp;Ruomeng Liu,&nbsp;Huawei Cai,&nbsp;Xiaojie Yin,&nbsp;Zhi Qin,&nbsp;Jinsong Zhang,&nbsp;Zeen Yao,&nbsp;Bo Li","doi":"10.1007/s10967-025-10281-1","DOIUrl":"10.1007/s10967-025-10281-1","url":null,"abstract":"<div><p>To evaluate the suitability of <sup>47</sup>Sc for SPECT imaging and therapeutic effect, a fibroblast activation protein (FAP) inhibitor FAPI-46 was used for cancer theranostics in preclinical setting. <sup>47</sup>Sc was successfully produced via thermal neutron irradiation of <sup>46</sup>Ca and then conjugated with FAPI-46, achieving a high radiochemical purity over 98%. In vitro experiments confirmed the FAP mediated specific binding to MG-63 cells for <sup>47</sup>Sc-FAPI-46. Biodistribution and SPECT/CT imaging indicated specific uptake of <sup>47</sup>Sc-FAPI-46 in PANC-2 pancreatic tumors. Therapeutic experiments revealed an effective anti-tumor ability with negligible toxicity of <sup>47</sup>Sc-FAPI-46 in xenografted tumor mice.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 8","pages":"5691 - 5699"},"PeriodicalIF":1.6,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145090550","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}
引用次数: 0
Uranium extraction from phosphorites leach liquor, El-Sibaiya East area, East Nile Valley, Egypt 从埃及东尼罗河谷El-Sibaiya东部地区的磷矿浸出液中提取铀
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-07-31 DOI: 10.1007/s10967-025-10285-x
Mahmoud O. Abd El-Magied, Nilly A. Kawady, Hend M. Salem, Eman S. Abd El-Halim
{"title":"Uranium extraction from phosphorites leach liquor, El-Sibaiya East area, East Nile Valley, Egypt","authors":"Mahmoud O. Abd El-Magied,&nbsp;Nilly A. Kawady,&nbsp;Hend M. Salem,&nbsp;Eman S. Abd El-Halim","doi":"10.1007/s10967-025-10285-x","DOIUrl":"10.1007/s10967-025-10285-x","url":null,"abstract":"<div><p>This study shows the effective extraction of uranium from phosphorites leach liquor using Amberlite IRA-458 ion exchange resin. The study evaluates the extraction process from the points of view of equilibrium, kinetics, and radiative hazard indices. The process showed rapid uranium uptake and high adsorption capacity (up to 63.85 mg/g) and followed the Langmuir and Dubinin–Radushkevich isotherm models, showing mono-layer chemisorption. These results underline the resin’s suitability for uranium recovery from acidic sulfate media, offering a promising route for phosphorite resource use.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 8","pages":"5821 - 5834"},"PeriodicalIF":1.6,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145090552","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}
引用次数: 0
Evaluation of gross α and gross β activities in air particulate matter at Trombay, Mumbai 孟买特罗姆贝地区空气颗粒物中总α和总β活性的评价
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-07-31 DOI: 10.1007/s10967-025-10297-7
V. B. Yadav, V. M. Joshi, Vandana A. Pulhani, A. Vinod Kumar
{"title":"Evaluation of gross α and gross β activities in air particulate matter at Trombay, Mumbai","authors":"V. B. Yadav,&nbsp;V. M. Joshi,&nbsp;Vandana A. Pulhani,&nbsp;A. Vinod Kumar","doi":"10.1007/s10967-025-10297-7","DOIUrl":"10.1007/s10967-025-10297-7","url":null,"abstract":"<div><p>This study presents a comprehensive assessment of atmospheric particulate radioactivity in Trombay, Mumbai, conducted from 2016 to 2022. Particulate samples were collected using high volume samplers and analysed for gross α and β activities. Average activities were 0.19 ± 0.11 and 1.77 ± 0.86 mBq m<sup>−3</sup>, respectively. A positive correlation (r<sup>2</sup> = 0.37; Spearman coefficient = 0.66) indicated common or related sources. The mean α/β ratio was 0.11 ± 0.05. Seasonal trends showed elevated activity in winter. However, no statistically significant change in average activity was observed over time. The findings suggest stable natural sources dominate atmospheric radioactivity, with variations influenced by seasonal and meteorological conditions.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 8","pages":"5545 - 5553"},"PeriodicalIF":1.6,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10967-025-10297-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145090649","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}
引用次数: 0
Complexation structure and thermodynamic analysis of uranium (VI)/neodymium (III) adsorption by ethylenediamine triacetic acid chelating resin: based on potentiometric titration 乙二胺三乙酸螯合树脂吸附铀(VI)/钕（III）的络合结构及热力学分析：基于电位滴定法
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-07-31 DOI: 10.1007/s10967-025-10288-8
Zhi Li, Shenghui Huang, Yan Shen, Yonggang Zhao, Zhiyuan Chang, Yan Chen, Yan Zhang, Tongxing Wang, Shengjie Yu, Chen Wang, Guoxin Tian
{"title":"Complexation structure and thermodynamic analysis of uranium (VI)/neodymium (III) adsorption by ethylenediamine triacetic acid chelating resin: based on potentiometric titration","authors":"Zhi Li,&nbsp;Shenghui Huang,&nbsp;Yan Shen,&nbsp;Yonggang Zhao,&nbsp;Zhiyuan Chang,&nbsp;Yan Chen,&nbsp;Yan Zhang,&nbsp;Tongxing Wang,&nbsp;Shengjie Yu,&nbsp;Chen Wang,&nbsp;Guoxin Tian","doi":"10.1007/s10967-025-10288-8","DOIUrl":"10.1007/s10967-025-10288-8","url":null,"abstract":"<div><p>This study explores the coordination of Ethylenediamine Triacetic Acid chelating resin with U(VI)/Nd(III) via potentiometric titration, determining the protonation constants of H₃L and stability constants of H₃L—U(VI)/Nd(III) complexes. Batch experiments confirm complexes like UO₂HL, UO₂L⁻, UO₂(OH)L<sup>2</sup>⁻, NdHL⁺, and NdL. Fixed H₃L differs from free H₃L; adjacent carboxylic groups may form hydrogen bonds, enhancing lg<i>β</i>₃. H₃L forms a tridentate coordination with U(VI). The competitive adsorption of U(VI) and Nd(III) within a pH range is calculated and verified. Additionally, U(VI) adsorption in the presence of citric acid is calculated, supporting practical applications.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 8","pages":"5835 - 5845"},"PeriodicalIF":1.6,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145090553","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}
引用次数: 0
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