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Experimental validation of the neutron flux suppression in samples with high manganese content in instrumental neutron activation analysis 仪器中子活化分析中高锰含量样品中子通量抑制的实验验证
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-08-03 DOI: 10.1007/s10967-024-09671-8
Lukas-Morris Schramm, Markus Nemetz, Franz Renz, Bin Feng, Georg Steinhauser
{"title":"Experimental validation of the neutron flux suppression in samples with high manganese content in instrumental neutron activation analysis","authors":"Lukas-Morris Schramm, Markus Nemetz, Franz Renz, Bin Feng, Georg Steinhauser","doi":"10.1007/s10967-024-09671-8","DOIUrl":"https://doi.org/10.1007/s10967-024-09671-8","url":null,"abstract":"<p>Instrumental neutron activation analysis (INAA) relies on constant neutron flux densities throughout the activated samples. Although this concept is true for most typical samples, occasionally, the presence of highly neutron absorbing nuclides in the sample may cause a neutron flux density suppression which would ultimately lead to distorted results in the INAA. Here, we have investigated artificial samples with a high manganese (Mn) content. By adding aqueous gold solution, we introduced a liquid in-situ neutron flux monitor into the sample. An Mn content ≤ 50% shows little effect to the internal neutron flux density, however, the flux can be suppressed by ca. 20% when the Mn content reaches 63.2%.</p>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141887298","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
Study on Co2+ adsorption properties of β-cyclodextrin/graphene based on comprehensive experiments and theoretical calculation 基于综合实验和理论计算的 β-环糊精/石墨烯的 Co2+ 吸附特性研究
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-08-03 DOI: 10.1007/s10967-024-09668-3
Ping Bao, Xiaowei Wang, Jinfeng Men, Zhilin Hu
{"title":"Study on Co2+ adsorption properties of β-cyclodextrin/graphene based on comprehensive experiments and theoretical calculation","authors":"Ping Bao,&nbsp;Xiaowei Wang,&nbsp;Jinfeng Men,&nbsp;Zhilin Hu","doi":"10.1007/s10967-024-09668-3","DOIUrl":"10.1007/s10967-024-09668-3","url":null,"abstract":"<div><p>In order to effectively remove Co<sup>2+</sup> from radioactive wastewater, β-cyclodextrin/graphene oxide (β-CD/GO) was synthesized. The factors affecting the adsorption of Co<sup>2+</sup>in water were determined by static adsorption experiments, and the synthesis and adsorption mechanism of the materials were discussed by using Density Functional Theory (DFT). The results show that β-CD and GO are mainly bonded by ester group and hydrogen bond, the adsorption of Co<sup>2+</sup> by β-CD/GO belongs to single molecular layer chemisorption, and the intramolecular diffusion is the main factor of affecting the adsorption rate. The adsorption capacity of Co<sup>2+</sup> can reach 95.83 mg/g under appropriate conditions, but it will be affected by interference ions.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141887370","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 Fe-doped calcium phosphate for 65Zn sorption 评估掺铁磷酸钙对 65Zn 的吸附作用
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-08-02 DOI: 10.1007/s10967-024-09625-0
Saber Ibrahim Moussa, Gehan Abdel Rahman Sadek Dakroury, Ehab Abu El Soud Abdel Halim El Shazly
{"title":"Evaluation of Fe-doped calcium phosphate for 65Zn sorption","authors":"Saber Ibrahim Moussa,&nbsp;Gehan Abdel Rahman Sadek Dakroury,&nbsp;Ehab Abu El Soud Abdel Halim El Shazly","doi":"10.1007/s10967-024-09625-0","DOIUrl":"10.1007/s10967-024-09625-0","url":null,"abstract":"<div><p><sup>65</sup>Zn, a fission product found in cooling water reactors, poses significant environmental risks due to its toxicity. This study explores the use of Ca–Fe<sup>2+</sup> phosphate (SB1) and Ca–Fe<sup>3+</sup> phosphate (SB2) as sorbents for Zn(II), prepared via the wet chemical method. The Zn(II) solution, spiked with <sup>65</sup>Zn radionuclides, was analyzed radiometrically. Optimal sorption conditions were determined to be pH 4.5, a contact time of 24 h, and a sorbate volume to sorbent mass ratio of 1:10 at 20 °C. The <i>Langmuir</i> isotherm model best fit the adsorption data, indicating monolayer adsorption capacities of 0.574 mmol g<sup>−1</sup> for SB1 and 0.621 mmol g<sup>−1</sup> for SB2. Sorption kinetics followed a quasi-n<sup>th</sup>-order model. Furthermore, 0.1 M FeCl<sub>3</sub> effectively desorbed 99% of Zn(II) from both sorbents. The sorption process was found to be spontaneous and endothermic. These findings suggest that SB1 and SB2 have potential applications in recycling Zn(II) from the black mass of expired batteries.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10967-024-09625-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141886380","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
Uranium translocation from water soil and rock system to various plants and their components 铀从水土和岩石系统向各种植物及其组成部分的转移
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-07-30 DOI: 10.1007/s10967-024-09644-x
Ranu Singh, Jayati Chatterjee Mitra, Santosh Kumar Sar, Daljeet Singh Wadhwa
{"title":"Uranium translocation from water soil and rock system to various plants and their components","authors":"Ranu Singh,&nbsp;Jayati Chatterjee Mitra,&nbsp;Santosh Kumar Sar,&nbsp;Daljeet Singh Wadhwa","doi":"10.1007/s10967-024-09644-x","DOIUrl":"10.1007/s10967-024-09644-x","url":null,"abstract":"<div><p>Uranium is a highly hazardous heavy metal and radionuclide. The distribution of uranium in rock, soil, fruit, and water has been measured in the Balod area. Samples were collected using one square kilometer griding technique from Jhalmala Paragaon, Parsoda, Dewerbatt, Pakurbatt, and Jagarata Deur tarai. The distribution of uranium is quantified within the ranges of 0.7–3.6 (ppb) in soil, 0.5–4.4 ppb in rock, 0.2–52.6 ppb in groundwater, and 0.2–0.7 ppb in fruit.The presence and movement of uranium has been verified through a systematic statistical investigation, and its mobility in environmental components has been established.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141865533","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
Experimental and numerical evaluation of the performance of an integrated activation device for neutron spectrum confirmation at THOR-BNCT 对 THOR-BNCT 中子能谱确认综合活化装置性能的实验和数值评估
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-07-30 DOI: 10.1007/s10967-024-09674-5
Zhao-Ming Pan, Tzu-An Lee, Yu-Shiang Huang, Rong-Jiun Sheu
{"title":"Experimental and numerical evaluation of the performance of an integrated activation device for neutron spectrum confirmation at THOR-BNCT","authors":"Zhao-Ming Pan, Tzu-An Lee, Yu-Shiang Huang, Rong-Jiun Sheu","doi":"10.1007/s10967-024-09674-5","DOIUrl":"https://doi.org/10.1007/s10967-024-09674-5","url":null,"abstract":"<p>Experimentally ensuring the quality of neutron beam before patient treatment is a topic of central importance for a boron neutron capture therapy (BNCT) facility. The procedure of beam quality assurance currently adopted at THOR-BNCT lacks a direct indication related to the energy distribution of neutrons. A new device based on multiple activation foils was therefore proposed to provide a quick confirmation of the unchanged neutron spectrum before patient irradiation. The device’s responses to the THOR-BNCT neutron beam are presented. A series of experimental tests were repeated to establish the baseline performance of the device, and further numerical simulations were conducted to determine its sensitivities to various perturbations in the reference spectrum. To increase the rigorousness of beam quality assurance by supplementing additional information about neutron spectrum, the device has been suggested to assist the role of Au/Cu activation foils in the current procedure as and when required.</p>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141865534","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 new method for the measurement of the activity of high-concentration 226Ra in solution based on 222Rn production rate 基于 222Rn 生成率测量溶液中高浓度 226Ra 活性的新方法
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-07-30 DOI: 10.1007/s10967-024-09628-x
Chao Wang, Zixuan Bai, Enze Zhang, Wenliang Ma, Xiaosheng Zhao, Quan Tang
{"title":"A new method for the measurement of the activity of high-concentration 226Ra in solution based on 222Rn production rate","authors":"Chao Wang,&nbsp;Zixuan Bai,&nbsp;Enze Zhang,&nbsp;Wenliang Ma,&nbsp;Xiaosheng Zhao,&nbsp;Quan Tang","doi":"10.1007/s10967-024-09628-x","DOIUrl":"10.1007/s10967-024-09628-x","url":null,"abstract":"<div><p>Traditional methods for measuring the <sup>226</sup>Ra activity are time-consuming and the equipment is large and inconvenient to carry. This article proposes a new method for quickly measuring the activity of high-concentration <sup>226</sup>Ra using RAD7, which is simple to operate, does not require chemical separation. The <sup>222</sup>Rn production rate is obtained by measuring the <sup>222</sup>Rn concentration in a nonequilibrium state using RAD7, and the <sup>226</sup>Ra activity is yielded according to the law of radioactive decay. Verification experimental results demonstrate that, compared with the FD125 measurement method, the proposed method reduces the measurement time by 92%, with result deviation within 6%. Therefore, the proposed method can provide technical support for rapid measurement during the <sup>226</sup>Ra production process.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141865532","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
Measurement of time correlated photoelectric and Compton events of gamma rays using advanced detectors 利用先进探测器测量伽马射线的时间相关光电和康普顿事件
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-07-30 DOI: 10.1007/s10967-024-09619-y
A. K. Gupta, A. K. Rana, Md. Anser, Ishika Sharma, S. S. Tiwary, H. P. Sharma
{"title":"Measurement of time correlated photoelectric and Compton events of gamma rays using advanced detectors","authors":"A. K. Gupta,&nbsp;A. K. Rana,&nbsp;Md. Anser,&nbsp;Ishika Sharma,&nbsp;S. S. Tiwary,&nbsp;H. P. Sharma","doi":"10.1007/s10967-024-09619-y","DOIUrl":"10.1007/s10967-024-09619-y","url":null,"abstract":"<div><p>With the advancement of the detector systems for γ-ray radiation, simultaneous measurement of time correlated photoelectric and Compton events recorded by employing segmented HPGe detectors (Clover Detectors) with very high energy resolution and efficiency, allows measuring the polarization of the γ-ray radiation in addition to the energy of the γ-ray radiation. The polarization measurement of the γ-ray radiation provides information regarding its electric or magnetic nature, which is essential for determining the parity of the decaying nuclear state. Data is shown for the low laying  states of <sup>136</sup>Ce with information on  the R<sub>DCO</sub> and polarization measurements. These measurements were carried out with the help of Indian National Gamma Array (INGA), New Delhi setup.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141865535","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
Manganese oxide-based granular sorbent for the removal of strontium radionuclides from radioactively contaminated natural water 基于氧化锰的颗粒吸附剂用于去除受放射性污染的天然水中的锶放射性核素
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-07-30 DOI: 10.1007/s10967-024-09672-7
Oleg A. Kononenko, Vitaly V. Milyutin, Victor O. Kaptakov, Vadim I. Makarenkov, Evgeny A. Kozlitin
{"title":"Manganese oxide-based granular sorbent for the removal of strontium radionuclides from radioactively contaminated natural water","authors":"Oleg A. Kononenko,&nbsp;Vitaly V. Milyutin,&nbsp;Victor O. Kaptakov,&nbsp;Vadim I. Makarenkov,&nbsp;Evgeny A. Kozlitin","doi":"10.1007/s10967-024-09672-7","DOIUrl":"10.1007/s10967-024-09672-7","url":null,"abstract":"<div><p>A granular manganese oxide-based sorbent was synthesized. One volume of the sorbent decontaminates 125–145 volumes of hardness water from strontium radionuclides to background values of radioactivity. The synthesis includes interaction of MnSO<sub>4</sub> with KMnO<sub>4</sub> in aqueous medium at [Mn<sup>2+</sup>]/[MnO<sub>4</sub><sup>−</sup>] = 1.8, followed by the precipitation, aging the precipitate at pH = 11, and calcining it at 160 °C. Characteristics of the sorbent obtained were as follows: the distribution coefficient of the tracer <sup>85</sup>Sr radionuclide in 0.01 mol dm<sup>−3</sup> CaCl<sub>2</sub> solution of 1.6 × 10<sup>4</sup> cm<sup>3</sup> g<sup>−1</sup>, the batch capacity by Ca<sup>2+</sup> of 1.10 mol g<sup>−1</sup>, and the Sr/Ca pair separation coefficient of 65.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141865536","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
Generation of hydrogen from various aqueous media using gamma radiation 利用伽马辐射从各种水介质中生成氢气
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-07-30 DOI: 10.1007/s10967-024-09670-9
Imran Ali, Gunel Imanova, Teymur Agayev, Anar Aliyev, Tonni Agustiono Kurniawan, Abdulrahman Bin Jumah
{"title":"Generation of hydrogen from various aqueous media using gamma radiation","authors":"Imran Ali, Gunel Imanova, Teymur Agayev, Anar Aliyev, Tonni Agustiono Kurniawan, Abdulrahman Bin Jumah","doi":"10.1007/s10967-024-09670-9","DOIUrl":"https://doi.org/10.1007/s10967-024-09670-9","url":null,"abstract":"<p>Hydrogen generation was obtained with homogeneous n-C<sub>6</sub>H<sub>14</sub>, 88.5% n-C<sub>6</sub>H<sub>14</sub>+11.5% H<sub>2</sub>O, 50% n-C<sub>6</sub>H<sub>14</sub>+50% H<sub>2</sub>O and 11.5% n-C<sub>6</sub>H<sub>14</sub>+88.5% H<sub>2</sub>O and heterogeneous Al<sub>2</sub>O<sub>3</sub>+n-C<sub>6</sub>H<sub>14</sub>, Al<sub>2</sub>O<sub>3</sub>+88.5% n-C<sub>6</sub>H<sub>14</sub>+11.5% H<sub>2</sub>O, Al<sub>2</sub>O<sub>3</sub>+50% n-C<sub>6</sub>H<sub>14</sub>+50% H<sub>2</sub>O and Al<sub>2</sub>O<sub>3</sub>+11.5% n-C<sub>6</sub>H<sub>14</sub>+88.5% H<sub>2</sub>O systems. Hydrocarbons (methane, ethane, propane, butane, pentane, and hexane) and other organic molecules (methanol, acetaldehyde, and acetic acid) were also used for optimization. The activation energies were 3.50 and 3.74 kJ/mol for Al<sub>2</sub>O<sub>3</sub>+n-C<sub>6</sub>H<sub>14</sub> and Al<sub>2</sub>O<sub>3</sub>+C<sub>6</sub>H<sub>14</sub>+H<sub>2</sub>O systems. Maximum hydrogen produced was 54.0×1017 molecules/g.</p>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141865802","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
Assessment of terrestrial gamma radiations and radiological risks in Makum Coalfield, India 印度马库姆煤田地面伽马辐射和辐射风险评估
IF 1.6 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-07-25 DOI: 10.1007/s10967-024-09620-5
Susmita Paul, Pranjal Protim Gogoi, Sarat Phukan, Debajyoti Barooah
{"title":"Assessment of terrestrial gamma radiations and radiological risks in Makum Coalfield, India","authors":"Susmita Paul, Pranjal Protim Gogoi, Sarat Phukan, Debajyoti Barooah","doi":"10.1007/s10967-024-09620-5","DOIUrl":"https://doi.org/10.1007/s10967-024-09620-5","url":null,"abstract":"<p>The present study reports the terrestrial gamma radiation exposures in dwellings in Makum Coalfield, India, using a Micro-R Gamma Survey Metre. The geometric means (GMs) of indoor and outdoor gamma dose rates were found to be 150.3 ± 7.4 nGy h<sup>−1</sup> and 129.2 ± 6.6 nGy h<sup>−1</sup>, respectively, which are considerably higher than the global population-weighted average of 84 nGy h<sup>−1</sup> and 59 nGy h<sup>−1</sup>, respectively. The estimated GMs of annual effective dose equivalents and excess lifetime cancer risks were also found to be substantially higher than the global recommended values of 0.48 mSv y<sup>−1</sup> and 1.45 × 10<sup>–3</sup>, respectively.</p>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141771787","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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