发布求助
文献互助 智能选刊 最新文献

Radiochemistry最新文献

筛选
英文 中文
Results of Monitoring the Radiation Situation in the Surveillance Zone of the Mayak Production Association in 2023 2023年马雅克生产协会监测区辐射状况监测结果
IF 0.9
Radiochemistry Pub Date : 2024-12-11 DOI: 10.1134/S1066362224050205
Yu. G. Mokrov, N. B. Isaeva, T. A. Yarkova, K. Yu. Mokrov
{"title":"Results of Monitoring the Radiation Situation in the Surveillance Zone of the Mayak Production Association in 2023","authors":"Yu. G. Mokrov,&nbsp;N. B. Isaeva,&nbsp;T. A. Yarkova,&nbsp;K. Yu. Mokrov","doi":"10.1134/S1066362224050205","DOIUrl":"10.1134/S1066362224050205","url":null,"abstract":"<p>The results of monitoring the contamination of air, soil, and plants in the region of location of the Mayak Production Association with <sup>137</sup>Cs, <sup>90</sup>Sr, and plutonium isotopes (<sup>239,240</sup>Pu and <sup>238</sup>Pu), obtained in 2023 by specialists of Mayak and of the Federal Service for Hydrometeorology and Environmental Monitoring of Russia, are reported. The volume activity (VA) of <sup>137</sup>Cs and <sup>90</sup>Sr in the surface layer of the atmosphere in the Mayak surveillance zone is lower than the limits prescribed by the sanitary regulations by 6–7 orders of magnitude, and the VA of <sup>239,240</sup>Pu and <sup>238</sup>Pu is lower by 3–5 orders of magnitude. The radiation situation near the enterprise is stable, and the monitoring results obtained in 2023 correspond to the measurement results obtained in the previous years and confirm the previously revealed trends.</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"66 5","pages":"743 - 751"},"PeriodicalIF":0.9,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142798276","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Erratum to: “2+1B” Technetium-99m Tricarbonyl Complexes with N,N'-Bidentate Ligands and Methyl 14-Isocyano-3-methyltetradecanoate “2+1B”锝-99m三羰基配合物与N，N'-双齿配体和甲基14-异氰基-3-甲基十四酸甲酯
IF 0.9
Radiochemistry Pub Date : 2024-12-11 DOI: 10.1134/S1066362224050163
A. E. Miroslavov, P. M. Kuz’menko, M. Yu. Tyupina, A. P. Sakhonenkova, G. V. Sidorenko, A. R. Kochergina, S. A. Krotov
{"title":"Erratum to: “2+1B” Technetium-99m Tricarbonyl Complexes with N,N'-Bidentate Ligands and Methyl 14-Isocyano-3-methyltetradecanoate","authors":"A. E. Miroslavov,&nbsp;P. M. Kuz’menko,&nbsp;M. Yu. Tyupina,&nbsp;A. P. Sakhonenkova,&nbsp;G. V. Sidorenko,&nbsp;A. R. Kochergina,&nbsp;S. A. Krotov","doi":"10.1134/S1066362224050163","DOIUrl":"10.1134/S1066362224050163","url":null,"abstract":"","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"66 5","pages":"783 - 783"},"PeriodicalIF":0.9,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1134/S1066362224050163.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142798278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photolysis of Uranium, Neptunium, and Plutonium Ions in Propionic Acid Solutions 铀、镎和钚离子在丙酸溶液中的光解
IF 0.9
Radiochemistry Pub Date : 2024-12-11 DOI: 10.1134/S1066362224050023
A. M. Fedoseev, V. P. Shilov
{"title":"Photolysis of Uranium, Neptunium, and Plutonium Ions in Propionic Acid Solutions","authors":"A. M. Fedoseev,&nbsp;V. P. Shilov","doi":"10.1134/S1066362224050023","DOIUrl":"10.1134/S1066362224050023","url":null,"abstract":"<p>The photolytic reactions of U(VI), Np(VI, V), and Pu(VI) in 0.5–13 M C<sub>2</sub>H<sub>5</sub>COOH solutions were studied. Under UV irradiation, U(VI) is reduced to U(IV); Np(VI), to Np(V); Np(V), to Np(IV); and Pu(VI), to Pu(IV) and Pu(III). The photochemical reduction of U(VI) in concentrated propionic acid to U(IV) under UV irradiation is fast and complete. The Np(V) reduction proceeds with an induction period, after which the reaction accelerates. This is due to the fact that Np(V) weakly absorbs in the UV range. The appearance of Np(IV) leads to the formation of a Np(V)–Np(IV) cation–cation complex. The complex absorbs light, its energy excites Np(V), and Np(V) reacts with the acid. The photoreduction of Np(VI) proceeds without an induction period, because Np(VI) significantly absorbs UV light. Pu(VI) under UV irradiation is reduced to Pu(IV) and finally to Pu(III).</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"66 5","pages":"609 - 613"},"PeriodicalIF":0.9,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142798272","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Results of Monitoring the Condition of Special Industrial Reservoirs of Mayak Production Association in 2023 2023年马雅克生产协会特殊工业水库监测结果
IF 0.9
Radiochemistry Pub Date : 2024-12-11 DOI: 10.1134/S1066362224050187
Yu. G. Mokrov, A. A. Posokhova
{"title":"Results of Monitoring the Condition of Special Industrial Reservoirs of Mayak Production Association in 2023","authors":"Yu. G. Mokrov,&nbsp;A. A. Posokhova","doi":"10.1134/S1066362224050187","DOIUrl":"10.1134/S1066362224050187","url":null,"abstract":"<p>The results of regular hydrological and radiochemical monitoring of open liquid radioactive waste storage reservoirs (OLRWSRs) of the Mayak Production Association in 2021–2023 in the period of reduced water content are summarized. Changes in the water level in OLRWSRs are, as a rule, seasonal with intermediate maxima in the spring flood period. The concentration of contaminants and radionuclides in water of the storage reservoirs shows virtually no seasonal variations and tends to decrease. The condition of all the OLRWSRs with respect to all the parameters monitored remains stable.</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"66 5","pages":"725 - 731"},"PeriodicalIF":0.9,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142798498","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Extraction of U(VI), Th(IV), and Lanthanides(III) from Nitric Acid Solutions with Mixtures of Diphenyl-N,N-dioctylcarbamoylmethylphosphine Oxide and Lithium Bis[(trifluoromethyl)sulfonyl]imide 二苯基- n、n -二辛基氨基甲酰甲基氧化膦和双[（三氟甲基）磺酰基]亚胺锂混合物从硝酸溶液中萃取U（VI）、Th（IV）和镧系元素(III
IF 0.9
Radiochemistry Pub Date : 2024-12-11 DOI: 10.1134/S1066362224050060
A. N. Turanov, V. K. Karandashev
{"title":"Extraction of U(VI), Th(IV), and Lanthanides(III) from Nitric Acid Solutions with Mixtures of Diphenyl-N,N-dioctylcarbamoylmethylphosphine Oxide and Lithium Bis[(trifluoromethyl)sulfonyl]imide","authors":"A. N. Turanov,&nbsp;V. K. Karandashev","doi":"10.1134/S1066362224050060","DOIUrl":"10.1134/S1066362224050060","url":null,"abstract":"<p>The extraction of U(VI), Th(IV), and lanthanide(III) ions with mixtures of diphenyl-<i>N</i>,<i>N</i>-dioctylcarbamoylmethylphosphine oxide (Ph<sub>2</sub>Oct<sub>2</sub>) and lithium bis[(trifluoromethyl)sulfonyl]imide (LiTf<sub>2</sub>N) in dodecane containing 10% octanol was studied. A synergistic effect was discovered during the extraction of metal ions with such mixtures. When extracting Ln(III) from solutions of 3 M HNO<sub>3</sub>, the <i>D</i><sub>Ln</sub> values in the system with Ph<sub>2</sub>Oct<sub>2</sub>–LiTf<sub>2</sub>N are more than three orders of magnitude higher than when extracting with a solution of Ph<sub>2</sub>Oct<sub>2</sub>. The stoichiometry of the extracted complexes was determined, and the effect of HNO<sub>3</sub> concentration on the extraction of metal ions was studied. It has been established that actinide and lanthanide(III) ions are extracted with a mixture of Ph<sub>2</sub>Oct<sub>2</sub> and LiTf<sub>2</sub>N from nitric acid solutions via a cation-exchange mechanism.</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"66 5","pages":"633 - 638"},"PeriodicalIF":0.9,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142798431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gas Formation Processes during Radiolysis of Bituminous Materials 沥青材料辐射分解过程中的气体形成过程
IF 0.9
Radiochemistry Pub Date : 2024-12-11 DOI: 10.1134/S1066362224050175
N. Guliyeva, I. Mustafaev, Z. Huseynova, F. Chichek
{"title":"Gas Formation Processes during Radiolysis of Bituminous Materials","authors":"N. Guliyeva,&nbsp;I. Mustafaev,&nbsp;Z. Huseynova,&nbsp;F. Chichek","doi":"10.1134/S1066362224050175","DOIUrl":"10.1134/S1066362224050175","url":null,"abstract":"<p>The regular trends in the formation of gaseous products from petroleum bitumen of BN grade and bitumen mastic obtained from Absheron oil upon exposure to gamma radiation to the absorbed dose of up to 200 kGy were examined. The total radiation-chemical yield of gases does not exceed 0.43 molec/100 eV; i.e., bituminous materials are highly resistant to the generation of gaseous products.</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"66 5","pages":"719 - 724"},"PeriodicalIF":0.9,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142798485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Physicochemical Properties of Submicron 239Pu Aerosols 亚微米级 239Pu 气溶胶的物理化学特性
IF 0.9
Radiochemistry Pub Date : 2024-10-06 DOI: 10.1134/S1066362224040040
S. A. Sypko, V. E. Vvedensky, G. N. Bobov
{"title":"Physicochemical Properties of Submicron 239Pu Aerosols","authors":"S. A. Sypko,&nbsp;V. E. Vvedensky,&nbsp;G. N. Bobov","doi":"10.1134/S1066362224040040","DOIUrl":"10.1134/S1066362224040040","url":null,"abstract":"<p>Materials and methods used for the analysis of physicochemical properties of submicron industrial aerosols are described. These approaches can be used at research centers and enterprises, including those of Rosatom, for studying the physicochemical properties of submicron and nanometer aerosols. The dispersity of industrial α-emitting submicron aerosols in air of working premises of Mayak Production Association was studied for <sup>239</sup>Pu using the neutron-induced measurement method. The size distribution of <sup>239</sup>PuO<sub>2</sub> nanoparticles in air of the oxalate precipitation department is the Pareto distribution. The result obtained can be used as a priori nanoparticle size distribution in the calculation of the <sup>239</sup>Pu-caused internal irradiation dose load on the personnel of the oxalate precipitation department, RT Plant, Mayak Production Association, using the Bayesian method.</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"66 4","pages":"425 - 437"},"PeriodicalIF":0.9,"publicationDate":"2024-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142410258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Crystal and Molecular Structure of Binuclear Technetium Carbonyl Chloride Complexes [99TcCl(CO)3(C5H8O2)]2 (C5H8O2 = Acetylacetone) and [99TcCl(CO)4]2 双核氯化锝羰基配合物 [99TcCl(CO)3(C5H8O2)]2（C5H8O2 = 乙酰丙酮）和 [99TcCl(CO)4]2 的晶体和分子结构
IF 0.9
Radiochemistry Pub Date : 2024-10-06 DOI: 10.1134/S1066362224040027
G. V. Sidorenko, A. E. Miroslavov, V. V. Gurzhiy, A. R. Kochergina, A. P. Sakhonenkova, M. Yu. Tyupina, L. S. Chistyi, E. A. Pechertseva
{"title":"Crystal and Molecular Structure of Binuclear Technetium Carbonyl Chloride Complexes [99TcCl(CO)3(C5H8O2)]2 (C5H8O2 = Acetylacetone) and [99TcCl(CO)4]2","authors":"G. V. Sidorenko,&nbsp;A. E. Miroslavov,&nbsp;V. V. Gurzhiy,&nbsp;A. R. Kochergina,&nbsp;A. P. Sakhonenkova,&nbsp;M. Yu. Tyupina,&nbsp;L. S. Chistyi,&nbsp;E. A. Pechertseva","doi":"10.1134/S1066362224040027","DOIUrl":"10.1134/S1066362224040027","url":null,"abstract":"<p>The crystal and molecular structures of the complex [<sup>99</sup>TcCl(CO)<sub>3</sub>(C<sub>5</sub>H<sub>8</sub>O<sub>2</sub>)]<sub>2</sub> (C<sub>5</sub>H<sub>8</sub>O<sub>2</sub> = Hacac = acetylacetone) formed in the course of prolonged standing of a [<sup>99</sup>Tc(acac)(CO)<sub>4</sub>] solution in ССl<sub>4</sub>/CDCl<sub>3</sub> and of its analog containing no organic ligand, [<sup>99</sup>TcCl(CO)<sub>4</sub>]<sub>2</sub>, were determined. Both complexes contain a [Tc<sub>2</sub>(μ-Cl)<sub>2</sub>] four-membered ring. The remaining sites in the coordination sphere of the Tc atom are occupied by carbonyl ligands, and in the case of [<sup>99</sup>TcCl(CO)<sub>3</sub>(Hacac)]<sub>2</sub>, also by the neutral acetylacetone molecule in the enol form. The Hacac molecules in the binuclear complex are in the <i>cis</i> position to the Cl atoms in the octahedral surrounding of the Тс atoms and in the <i>trans</i> position to each other relative to the [Tc<sub>2</sub>(μ-Cl)<sub>2</sub>] ring. A comparative analysis of the geometries of the complexes and their known analogs was performed.</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"66 4","pages":"405 - 415"},"PeriodicalIF":0.9,"publicationDate":"2024-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142410323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal Stability of Dibenzo-21-crown-7 and Its Solution in 1,2-Dichloroethane in Contact with Nitrogen Dioxide 二苯并-21-冠醚-7 及其在 1,2-二氯乙烷中的溶液与二氧化氮接触时的热稳定性
IF 0.9
Radiochemistry Pub Date : 2024-10-06 DOI: 10.1134/S1066362224040076
A. M. Koscheeva, K. V. Shelamov, A. V. Rodin, A. V. Ananiev
{"title":"Thermal Stability of Dibenzo-21-crown-7 and Its Solution in 1,2-Dichloroethane in Contact with Nitrogen Dioxide","authors":"A. M. Koscheeva,&nbsp;K. V. Shelamov,&nbsp;A. V. Rodin,&nbsp;A. V. Ananiev","doi":"10.1134/S1066362224040076","DOIUrl":"10.1134/S1066362224040076","url":null,"abstract":"<p>The thermal stability of dibenzo-21-crown-7 (DB21C7) and its solution in 1,2-dichloroethane (DCE) after contact with nitrogen dioxide, which is a product of nitric acid degradation, was studied. It is shown that exothermic processes accompanied by the release of gaseous products are observed in inert and oxidizing atmosphere. The compounds formed after contact with nitrogen dioxide were determined by gas chromatography–mass spectrometry. Differences in gaseous products in the temperature range of 300℃ were defined for the initial crown ether and for DB21С7 and its solution in DСE after contact with NO<sub>2</sub>.</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"66 4","pages":"454 - 462"},"PeriodicalIF":0.9,"publicationDate":"2024-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142410259","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of Iron(III) Hydroxo Forms and Boric Acid on the State of Ruthenium-106 in Aqueous Solutions 铁（III）羟基形式和硼酸对水溶液中钌-106 状态的影响
IF 0.9
Radiochemistry Pub Date : 2024-10-06 DOI: 10.1134/S1066362224040039
V. Karankova, A. Radkevich, V. Torapava, A. Dashouk
{"title":"Influence of Iron(III) Hydroxo Forms and Boric Acid on the State of Ruthenium-106 in Aqueous Solutions","authors":"V. Karankova,&nbsp;A. Radkevich,&nbsp;V. Torapava,&nbsp;A. Dashouk","doi":"10.1134/S1066362224040039","DOIUrl":"10.1134/S1066362224040039","url":null,"abstract":"<p>The work examines the state of <sup>106</sup>Ru in solutions simulating technological media and liquid radioactive waste from nuclear power plants with a VVER reactor, as well as the influence of the physicochemical state of the radionuclide on the efficiency of ion exchange and ultrafiltration treatment methods. During the study, the regions of existence of ionic and nonionic states of the radionuclide were explored in solutions of complex composition. In addition, the size distribution of particles containing <sup>106</sup>Ru were established. The formation of complex compounds of <sup>106</sup>Ru with polyborate ions in the neutral and slightly alkaline pH region has been shown, which leads to a decrease in the efficiency of decontamination of liquid radioactive waste from ruthenium radionuclides.</p>","PeriodicalId":747,"journal":{"name":"Radiochemistry","volume":"66 4","pages":"416 - 424"},"PeriodicalIF":0.9,"publicationDate":"2024-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142410264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信