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Russian Journal of Physical Chemistry A最新文献

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Efficiency of a Cadmium Complex of Nitril-trismethylenephosphonic Acid As a Corrosion Inhibitor of Low-Carbon Steel in Neutral Iodide-Containing Aqueous Media and Features of Formation of Passivating Films under These Conditions 硝酸-三亚甲基膦酸镉配合物在中性含碘水介质中作为低碳钢缓蚀剂的效率及钝化膜的形成特征
IF 0.7 4区 化学
Russian Journal of Physical Chemistry A Pub Date : 2025-04-25 DOI: 10.1134/S0036024425700293
I. S. Kazantseva, F. F. Chausov, V. L. Vorob’ev, N. V. Lomova, N. Yu. Isupov
{"title":"Efficiency of a Cadmium Complex of Nitril-trismethylenephosphonic Acid As a Corrosion Inhibitor of Low-Carbon Steel in Neutral Iodide-Containing Aqueous Media and Features of Formation of Passivating Films under These Conditions","authors":"I. S. Kazantseva,&nbsp;F. F. Chausov,&nbsp;V. L. Vorob’ev,&nbsp;N. V. Lomova,&nbsp;N. Yu. Isupov","doi":"10.1134/S0036024425700293","DOIUrl":"10.1134/S0036024425700293","url":null,"abstract":"<p>A potentiodynamic study is performed of the effect the cadmium complex of nitrile-trismethylenephosphonic acid Na<sub>4</sub>[Cd(H<sub>2</sub>O)N(CH<sub>2</sub>PO<sub>3</sub>)<sub>3</sub>]⋅7H<sub>2</sub>O has on the corrosion-electrochemical behavior of low-carbon steel in neutral iodide-containing aqueous media. The composition and structure of passivating films, spatial localization of inhibitor interaction with iron ions, and accompanying processes and products of these interactions, are studied via X-ray photoelectron spectroscopy with layer-by-layer etching. With 1.4 mmol/dm<sup>3</sup> of I<sup>−</sup> ions, Na<sub>4</sub>[Cd(H<sub>2</sub>O)N(CH<sub>2</sub>PO<sub>3</sub>)<sub>3</sub>]⋅7H<sub>2</sub>O at a concentration of 0.05–0.5 g/dm<sup>3</sup> reduces the current density of anodic dissolution of metal. It stimulates corrosion at concentrations of 1.0 g/dm<sup>3</sup> and above. The optimum concentration of inhibitor is 0.2–0.5 g/dm<sup>3</sup>.</p>","PeriodicalId":767,"journal":{"name":"Russian Journal of Physical Chemistry A","volume":"99 4","pages":"676 - 683"},"PeriodicalIF":0.7,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Mechanisms of the Deformation Dissolution of Phases and the Problem of Supersaturated Solid Solutions Obtained during the Plastic Deformation of Alloys 合金塑性变形过程中相的变形溶解机理及过饱和固溶体问题
IF 0.7 4区 化学
Russian Journal of Physical Chemistry A Pub Date : 2025-04-25 DOI: 10.1134/S0036024425700530
L. S. Vasil’ev, I. L. Lomaev, S. L. Lomaev
{"title":"Mechanisms of the Deformation Dissolution of Phases and the Problem of Supersaturated Solid Solutions Obtained during the Plastic Deformation of Alloys","authors":"L. S. Vasil’ev,&nbsp;I. L. Lomaev,&nbsp;S. L. Lomaev","doi":"10.1134/S0036024425700530","DOIUrl":"10.1134/S0036024425700530","url":null,"abstract":"<p>Mathematical modeling is used to create an analytical form of the diagram of equilibrium structural-phase states of nanocrystalline binary substitution alloys. It is shown that the most likely result from the plastic deformation of multiphase nanocrystalline alloys accompanied by the complete dissolution of secondary phases is the production of chemically heterogeneous equilibrium single-phase solid solutions with varying degrees of impurity atom saturation. Chemical inhomogeneities in the single-phase states of nanocrystalline alloys arise because intercrystalline boundaries generate inhomogeneous fields of electromagnetic and deformation origin in the volume of a sample.</p>","PeriodicalId":767,"journal":{"name":"Russian Journal of Physical Chemistry A","volume":"99 4","pages":"935 - 943"},"PeriodicalIF":0.7,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Effect of Heat Treatment Temperature on Protective Performance of TiO2 Thin Film Photocathode 热处理温度对TiO2薄膜光电阴极保护性能的影响
IF 0.7 4区 化学
Russian Journal of Physical Chemistry A Pub Date : 2025-04-25 DOI: 10.1134/S0036024425700487
Ziao Xing, Bin Li, Qianxilong Wang, Xiongfeng Zeng, Jiansheng Wang, Yingna Zhao
{"title":"Effect of Heat Treatment Temperature on Protective Performance of TiO2 Thin Film Photocathode","authors":"Ziao Xing,&nbsp;Bin Li,&nbsp;Qianxilong Wang,&nbsp;Xiongfeng Zeng,&nbsp;Jiansheng Wang,&nbsp;Yingna Zhao","doi":"10.1134/S0036024425700487","DOIUrl":"10.1134/S0036024425700487","url":null,"abstract":"<p>Photocathode protection technology has garnered significant attention from researchers due to its environmentally friendly and low-carbon attributes. TiO<sub>2</sub> thin films subjected to various heat treatment temperatures were deposited on FTO glass using ultrasonic spray pyrolysis. The films were characterized using XRD, SEM, UV–Vis, PL, and EIS to evaluate their phase structure, micro-morphology, optical properties, carrier separation efficiency, and electrochemical impedance. The corrosion protection of 304SS was assessed in a simulated seawater environment. The results indicated that tetragonal TiO<sub>2</sub> was successfully synthesized at heat treatment temperatures ranging from 450–550°C. Among these, TiO<sub>2</sub> treated at 500°C exhibited higher carrier separation efficiency, smaller electrochemical impedance, and the highest photocurrent density. In a 3.5 wt % NaCl solution, the TiO<sub>2</sub> film treated at 500°C caused the open circuit potential of 304SS to shift negatively to –335 mV, which is 185 mV lower than the self-corrosion potential of 304SS, demonstrating an excellent photocathode protection effect.</p>","PeriodicalId":767,"journal":{"name":"Russian Journal of Physical Chemistry A","volume":"99 4","pages":"886 - 892"},"PeriodicalIF":0.7,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 Cationic Micro-Pollutant Using Sodium-Linked Mesoporous Adsorbent: Characterisation, Kinetic and Isotherm Studies 钠连接介孔吸附剂对阳离子微污染物的高效去除：表征、动力学和等温线研究
IF 0.7 4区 化学
Russian Journal of Physical Chemistry A Pub Date : 2025-04-25 DOI: 10.1134/S0036024424604403
Asma Boudaoud, Chifaa Ad, Mebrouk Djedid, Mounira Guermit, Mokhtar Benalia, Amel Soltani
{"title":"Efficient Removal of Cationic Micro-Pollutant Using Sodium-Linked Mesoporous Adsorbent: Characterisation, Kinetic and Isotherm Studies","authors":"Asma Boudaoud,&nbsp;Chifaa Ad,&nbsp;Mebrouk Djedid,&nbsp;Mounira Guermit,&nbsp;Mokhtar Benalia,&nbsp;Amel Soltani","doi":"10.1134/S0036024424604403","DOIUrl":"10.1134/S0036024424604403","url":null,"abstract":"<p>This study investigates the potential of sodium-linked mesoporous structures of sunflower husks for the efficient removal of Rosaline chloride, a cationic micro-pollutant from aqueous solutions, through the studies of the adsorption behaviors of rosaline chloride onto the modified sunflower husks powder. The experimental methodology involved the synthesis of sodium-linked mesoporous lignocellulosic material, followed by rigorous characterization using techniques such as FTIR, DRX, SEM-EDX, and BET surface area analysis. Additionally, the compatibility of several kinetic and isothermal models with this adsorption process was tested. The characterization results confirmed the presence of a mesoporous lignocellulosic structure reinforced by sodium bonds. This material had a surface specific area is 31.9 m<sup>2</sup>/g, a total pore volume of 0.02 cm<sup>3</sup>/g and an average pore was 2.4 nm in diameter. The results under ideal conditions indicated fast adsorption kinetics that fit the Pseudo-second-order model and the Langmuir–Freundlich isothermal model, with the maximum adsorption capacity according to this model, being 25.4 mg/g. These findings revealed favorable adsorption capacities, highlighting the effectiveness of sodium-linked mesoporous structures of sunflower husks in removing cationic micro-pollutants from aqueous environments.</p>","PeriodicalId":767,"journal":{"name":"Russian Journal of Physical Chemistry A","volume":"99 4","pages":"727 - 739"},"PeriodicalIF":0.7,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Synthesis and Characterization of ZnO Micro-flowers Loaded with Pt Nanoparticles Used As UV-Light-Driven Photocatalyst 紫外光驱动光催化剂负载Pt纳米粒子的ZnO微花的合成与表征
IF 0.7 4区 化学
Russian Journal of Physical Chemistry A Pub Date : 2025-04-25 DOI: 10.1134/S0036024425700414
Anukorn Phuruangrat, Yothin Chimupala, Asanee Somdee, Titipun Thongtem, Somchai Thongtem
{"title":"Synthesis and Characterization of ZnO Micro-flowers Loaded with Pt Nanoparticles Used As UV-Light-Driven Photocatalyst","authors":"Anukorn Phuruangrat,&nbsp;Yothin Chimupala,&nbsp;Asanee Somdee,&nbsp;Titipun Thongtem,&nbsp;Somchai Thongtem","doi":"10.1134/S0036024425700414","DOIUrl":"10.1134/S0036024425700414","url":null,"abstract":"<p>ZnO micro-flowers with and without the loaded 0.5–3.0% Pt nanoparticles as UV-light-driven photocatalyst were successfully prepared by microwave assisted-deposition method. The as-synthesized samples were composed of pure phase of wurtzite hexagonal ZnO micro-flowers the diameter of 3–5 μm and uniform hierarchical ZnO micro-flowers loaded with a new phase of face center cubic metallic Pt nanoparticles. The specific surface area was increased from 3.86 m<sup>2</sup> g<sup>–1</sup> for pure ZnO sample to 6.41 m<sup>2</sup> g<sup>–1</sup> for 0.5% Pt/ZnO nanocomposites, thus enhancing the photocatalytic performance. Photocatalytic activities of the samples were studied for the degradation of cationic methylene blue (MB) and anionic methyl orange (MO) dyes under UV light irradiation. The photocatalytic efficiencies of heterostructure 0.5% Pt/ZnO nanocomposites were the highest of 97.55 and 82.25% and were 2.51 and 3.07 times those of pure ZnO sample for MB and MO degradation under UV light irradiation, respectively. In this research, heterostructure 0.5% Pt/ZnO nanocomposites were excellently photostable and were the promising photocatalyst in practical application.</p>","PeriodicalId":767,"journal":{"name":"Russian Journal of Physical Chemistry A","volume":"99 4","pages":"808 - 820"},"PeriodicalIF":0.7,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Influence of the Inductive Effect on the Protolytic Properties of Some Aliphatic Amino Acids 诱导效应对某些脂肪族氨基酸原解性质的影响
IF 0.7 4区 化学
Russian Journal of Physical Chemistry A Pub Date : 2025-04-25 DOI: 10.1134/S0036024425700347
A. S. Samadov, J. N. Khakimov, A. F. Stepnova, E. F. Faizullozoda, A. V. Kuzin
{"title":"Influence of the Inductive Effect on the Protolytic Properties of Some Aliphatic Amino Acids","authors":"A. S. Samadov,&nbsp;J. N. Khakimov,&nbsp;A. F. Stepnova,&nbsp;E. F. Faizullozoda,&nbsp;A. V. Kuzin","doi":"10.1134/S0036024425700347","DOIUrl":"10.1134/S0036024425700347","url":null,"abstract":"<p>The protolytic properties of a number of aliphatic amino acids were studied using pH measurements: serine (Ser), cysteine (Cys), glycine (Gly), alanine (Ala), valine (Val), leucine (Leu), and isoleucine (Ile) in aqueous solutions at <i>T</i> = 298.2 K and <i>I</i> = 0.1 M NaNO<sub>3</sub>. Using the calculated ionization constants of amino acids and the equation that allows quantitative evaluation of the inductive effect in the aliphatic series (Taft equation), the substituent constant σ* was calculated, whose values showed positive correlation with the ionization constants of amino acids (p<i>K</i><sub><i>i</i></sub>) (<i>R</i><sup>2</sup> = 0.9561 and 0.8542). The results allowed us to establish that the acidity of the amino acids decreases in the following order: Cys &gt; Ser &gt; Gly &gt; Leu &gt; Ala &gt; Ile &gt; Val. It was established that the acid-base properties of amino acids change regularly depending on the inductive effect (radical constant σ*). Among the amino acids studied, Cys exhibits the highest acidity and is considered the weakest base.</p>","PeriodicalId":767,"journal":{"name":"Russian Journal of Physical Chemistry A","volume":"99 4","pages":"720 - 726"},"PeriodicalIF":0.7,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Kinetic and Diffusion Parameters of the Sorption of Co2+ Ions by a Sorbent Based on Industrial Waste 工业废渣吸附剂吸附Co2+离子的动力学及扩散参数
IF 0.7 4区 化学
Russian Journal of Physical Chemistry A Pub Date : 2025-04-25 DOI: 10.1134/S003602442570030X
S. B. Yarusova, P. S. Gordienko, V. V. Ivanov, N. V. Zarubina, E. A. Nekhlyudova, N. V. Ivanenko, I. G. Zhevtun
{"title":"Kinetic and Diffusion Parameters of the Sorption of Co2+ Ions by a Sorbent Based on Industrial Waste","authors":"S. B. Yarusova,&nbsp;P. S. Gordienko,&nbsp;V. V. Ivanov,&nbsp;N. V. Zarubina,&nbsp;E. A. Nekhlyudova,&nbsp;N. V. Ivanenko,&nbsp;I. G. Zhevtun","doi":"10.1134/S003602442570030X","DOIUrl":"10.1134/S003602442570030X","url":null,"abstract":"<p>A sorbent based on industrial waste (borogypsum), obtained via autoclave treatment, is used to study the kinetic and diffusion parameters of the sorption of Co<sup>2+</sup> ions from aqueous solutions of cobalt chloride with no salt background. Kinetic curves of the sorption of Co<sup>2+</sup> ions are obtained and analyzed using models of chemical kinetics at temperatures 20, 40, and 60°C. Such thermodynamic parameters as standard enthalpy (Δ<i>H</i>°), standard entropy (Δ<i>S</i>°), standard free energy (Δ<i>G</i>°), and coefficients of Co<sup>2+</sup> ions diffusion are determined at selected temperature conditions.</p>","PeriodicalId":767,"journal":{"name":"Russian Journal of Physical Chemistry A","volume":"99 4","pages":"684 - 689"},"PeriodicalIF":0.7,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Solubility and Thermodynamic Characteristics of Dissolution of Copper Tetra-4/3-(methoxyphenoxy)phthalocyaninates in Chloroform 4/3-（甲氧基苯氧基）酞菁酸铜在氯仿中的溶解度和溶解热力学特征
IF 0.7 4区 化学
Russian Journal of Physical Chemistry A Pub Date : 2025-04-25 DOI: 10.1134/S0036024425700268
A. E. Rassolova, G. R. Berezina, V. E. Maizlish
{"title":"Solubility and Thermodynamic Characteristics of Dissolution of Copper Tetra-4/3-(methoxyphenoxy)phthalocyaninates in Chloroform","authors":"A. E. Rassolova,&nbsp;G. R. Berezina,&nbsp;V. E. Maizlish","doi":"10.1134/S0036024425700268","DOIUrl":"10.1134/S0036024425700268","url":null,"abstract":"<p>The authors study the solubility of tetra-4- and tetra-3-substituted copper phthalocyaninates with fragments of <i>ortho-</i>, <i>meta-</i>, or <i>pair-</i> phenol in the temperature range 288–318 K. The patterns of dissolution of compounds in chloroform depending on the position of the substituent located on the periphery of the molecule are discussed. Standard thermodynamic parameters of dissolution of synthesized metal complexes are calculated.</p>","PeriodicalId":767,"journal":{"name":"Russian Journal of Physical Chemistry A","volume":"99 4","pages":"653 - 658"},"PeriodicalIF":0.7,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Thermal Decomposition of Copper Oxalate and Potassium Oxalatocuprate: Operando XPS Study 草酸铜和草酸钾的热分解：Operando XPS研究
IF 0.7 4区 化学
Russian Journal of Physical Chemistry A Pub Date : 2025-04-25 DOI: 10.1134/S0036024425700529
N. V. Lomova, I. S. Kazantseva, M. A. Shumilova, N. N. Pastukhova, N. Yu. Isupov, D. S. Rybin, F. F. Chausov, V. V. Boldyrev
{"title":"Thermal Decomposition of Copper Oxalate and Potassium Oxalatocuprate: Operando XPS Study","authors":"N. V. Lomova,&nbsp;I. S. Kazantseva,&nbsp;M. A. Shumilova,&nbsp;N. N. Pastukhova,&nbsp;N. Yu. Isupov,&nbsp;D. S. Rybin,&nbsp;F. F. Chausov,&nbsp;V. V. Boldyrev","doi":"10.1134/S0036024425700529","DOIUrl":"10.1134/S0036024425700529","url":null,"abstract":"<p>The thermal decomposition of copper(II) oxalate CuC<sub>2</sub>O<sub>4</sub>⋅0.5H<sub>2</sub>O and potassium oxalatocuprate(II) K<sub>2</sub>Cu(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>⋅2H<sub>2</sub>O in vacuum at a residual pressure of 10<sup>–5</sup> Torr has been studied in the range from room temperature to 400°C with operando recording the X-ray photoelectron (XPS) and Auger spectra. An X-ray photoelectron spectrometer with a magnetic energy analyzer was used. An analysis of the XP and Auger spectroscopy data shows that the thermal decomposition of CuC<sub>2</sub>O<sub>4</sub>⋅0.5H<sub>2</sub>O includes the following stages: elimination of crystallization water (150–265°C); elimination of CO<sub>2</sub> (265–285°C), forming an unstable intermediate product; and decomposition of the latter at 285°C, forming a residue of metallic copper with an admixture of 11–13 mol % copper(I) oxide. The thermal decomposition of K<sub>2</sub>Cu(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>⋅2H<sub>2</sub>O includes the stages of elimination of crystallization water (85–120°C) and decomposition of the resulting anhydrous oxalate with elimination of CO<sub>2</sub> and CO (250–290°C).</p>","PeriodicalId":767,"journal":{"name":"Russian Journal of Physical Chemistry A","volume":"99 4","pages":"924 - 934"},"PeriodicalIF":0.7,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871335","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Sorption-Desorption Properties of Titanium Phosphate with Respect to Heavy Metal Cations 磷酸钛对重金属阳离子的吸附-解吸性能
IF 0.7 4区 化学
Russian Journal of Physical Chemistry A Pub Date : 2025-04-25 DOI: 10.1134/S0036024424603458
M. V. Maslova, P. E. Evstropova, N. V. Mudruk, Yu. P. Semushina
{"title":"Sorption-Desorption Properties of Titanium Phosphate with Respect to Heavy Metal Cations","authors":"M. V. Maslova,&nbsp;P. E. Evstropova,&nbsp;N. V. Mudruk,&nbsp;Yu. P. Semushina","doi":"10.1134/S0036024424603458","DOIUrl":"10.1134/S0036024424603458","url":null,"abstract":"<p>The sorption and desorption behavior of divalent ions (Cu<sup>2+</sup>, Mn<sup>2+</sup>, Co<sup>2+</sup>, Ni<sup>2+</sup>) on amorphous titanium phosphate has been studied. The sorption/desorption equilibrium is shown to be largely determined by the solvated state of heavy metal cations, and selectivity series are constructed. The degree of desorption exceeds 99.9% in all cases regardless of the degree of saturation of the sorbent with metal cations. When the sorbent is used in many cycles, the efficiency of sorption/desorption processes decreases because of its dehydration due to sorbent hydrolysis, which is 2.6 × 10<sup>–3</sup> mg g<sup>–1</sup> h<sup>–1</sup>. The efficiency of sorption/desorption of the ions from multicomponent solutions is shown.</p>","PeriodicalId":767,"journal":{"name":"Russian Journal of Physical Chemistry A","volume":"99 4","pages":"849 - 854"},"PeriodicalIF":0.7,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871424","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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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