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Thermal decay of platinum metal acetylacetonates on the detonation nanodiamond surface / V. P. Isakov [et al.] // Экстремальные состояния вещества. Детонация. Ударные волны, междунар. конф. : Сб. тез. докл. - Саров, 2013. - P. 401-402

Доп.точки доступа:
Isakov, V. P.; Isakova, V. G.; Исакова, Виктория Гавриловна; Lyamkin, A. I.; Yunoshev, A. S.; Российский федеральный ядерный центр - Всероссийский научно-исследовательский институт экспериментальной физики; "Экстремальные состояния вещества. Детонация. Ударные волны", международная конференция (2013 ; 18-22 марта ; Саров); International conference "Extreme states of substance. Detonation. Shock waves" (2013 ; march ; 18- 22 ; Sarov, Russia); Харитоновские тематические научные чтения (15 ; 2013 ; март ; 18-22 ; Саров)
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Ion exchange equilibria in simultaneous extraction of platinum(II, IV) and rhodium(III) from hydrochloric solutions / A. M. Mel'nikov [et al.] // Russ. J. Phys. Chem. A. - 2012. - Vol. 86, Is. 6. - P. 1018-1024, DOI 10.1134/S0036024412060192. - Cited References: 24 . - ISSN 0036-0244

РУБ Chemistry, Physical

Кл.слова (ненормированные):
platinum -- rhodium -- ionites -- ion exchange equilibria -- hydrochloric acid solutions -- sorption
Аннотация: Regularities of sorption extraction of platinum(II, IV) and rhodium(III) by anion exchangers of various physical and chemical structure in the presence of hydrochloric media were studied. It is established that AM-2B, Purolite A 500, and Purolite S 985 ionites adsorb complex anions of platinum metals employing mixed mechanism. A high affinity of the studied anionites for the studied complex anions of platinum and rhodium is established.

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Публикация на русском языке Ионообменные равновесия при совместном извлечении платины (II, IV) и родия (III) из солянокислых растворов [Текст] / А. М. Мельникова [и др.] // Журн. физ. химии. - 2012. - Т. 86 № 6. - С. 1129-1135

Держатели документа:
[Mel'nikov, A. M.] Siberian Fed Univ, Inst Nonferrous Met & Mat Sci, Krasnoyarsk 660041, Russia
[Kononova, O. N.
Pavlenko, N. I.] Russian Acad Sci, Inst Chem & Chem Technol, Siberian Branch, Krasnoyarsk 660049, Russia
[Krylov, A. S.] Russian Acad Sci, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Mel'nikov, A. M.; Kononova, O. N.; Pavlenko, N. I.; Krylov, A. S.; Крылов, Александр Сергеевич
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Ion-exchange extraction of platinum(II,IV) from chloride solutions in the presence of iron(III) / O. N. Kononova [et al.] // Russ. J. Phys. Chem. A. - 2015. - Vol. 89, Is. 8. - P. 1464-1470, DOI 10.1134/S0036024415080166. - Cited References: 28 . - ISSN 0036-0244. - ISSN 1531-863X

РУБ Chemistry, Physical
Рубрики:
RHODIUM
Кл.слова (ненормированные):
platinum -- iron -- ionites -- sorption -- hydrochloric solutions -- sorption
Аннотация: The sorption concentration of platinum(II,IV) in the presence of iron(III) is studied on new samples of domestically produced ionites of the CYBBER brand. In comparing the sorption and kinetic properties of the new ionites to those of sorbents of the Purolite brand studied earlier, the higher effectiveness of the former is demonstrated via the extraction of platinum(II,IV) ions from strongly and weakly acidic chloride solutions. It is found that the sorbed platinum ions can be completely separated from iron(III) ions through separate elution using 0.01-0.001 M HCl (iron ions) and a thiourea solution (80 g/L) in 0.3 M H2SO4 (platinum ions).

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Публикация на русском языке Ионообменное извлечение платины (II, IV) в присутствии железа (III) из хлоридных растворов [Текст] / О. Н. Кононова [и др.] // Журн. физ. химии : Наука, 2015. - Т. 83 № 8. - С. 1305-1312

Держатели документа:
Institute of Nonferrous Metals and Materials Science, Siberian Federal University, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Kononova, O. N.; Duba, E. V.; Karplyakova, N. S.; Krylov, A. S.; Крылов, Александр Сергеевич
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Surface modification of detonation nanodiamonds with platinum and palladium nanoparticles / V. G. Isakova [et al.] // Int. J. Chem. - 2015. - Vol. 7, No. 1. - P. 1-9, DOI 10.5539/ijc.v7n1p1. - Cited References: 38 . - ISSN 1916-9698
Кл.слова (ненормированные):
detonation-synthesized nanodiamond supports -- platinum and palladium nanoparticles -- combustion -- chemical modific -- DND additional purification
Аннотация: Acetylacetonates of platinum group metals (M(acac)n, acac= CH3COCHCOCH3,n - oxidation state of metal) are the most suitable precursors for use in highly effective MOCVD (metal-organic chemical vapor deposition) processes because of their thermal properties, low price of initial ligand and accessible synthesis methods. In this study we have developed a simple, scalable inexpensive, MOCVD-like approach to the deposition of Pt and Pd nanoparticle dispersions on powder detonation nanodiamonds (DND) using combustion in air of powder mixtures of DND with Pt and Pd acetylacetonates. This one-step process requires no specialized apparatus, and is conducted at mild temperatures (180°C – 250°C). The substrate surface of DND initiates chemical thermal destruction of precursor and deposition of nanoparticle networks composed of constituent particles. DND-supported Pd and Pt nanoparticles with their loading being from 10 and 5wt. % were obtained the average of particle size 20-25 nm and 7-10nm decreases with decreasing the metal loading. For additional purification and disaggregation of the commercial detonation-synthesized nanodiamond (DNDcomm) the method of annealing of the powder mixtures DNDcomm with Na(acac) have been used. The purified diamond nanoparticulates (DND), as well as DNDcomm, Pt/DND and Pd/DND, were subjected to physicochemical characterizations, such as X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive X-ray (EDX) analysis.

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Доп.точки доступа:
Isakova, V. G.; Исакова, Виктория Гавриловна; Isakov, V. P.; Lyamkin, A. I.; Zharikova, N. V.; Yunoshev, A. S.; Nemtsev, I. V.; Немцев, Иван Васильевич
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Antitumor effect of arabinogalactan and platinum complex / A. K. Starkov [et al.] // Dokl. Biochem. Biophys. - 2016. - Vol. 467, Is. 1. - P. 92-94, DOI 10.1134/S1607672916020046. - Cited References: 7. - This study was supported by the Ministry of Education and Science of the Russian Federation (agreement no. 14.607.21.0104). This study was performed using the shared-access equipment center of the Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences. . - ISSN 1607-6729

РУБ Biochemistry & Molecular Biology + Biophysics

Аннотация: The article presents the results of investigation of antitumor properties of platinum–arabinogalactan complex. We showed the ability of the complex to inhibit the growth of Ehrlich ascites tumor cells. It is found that the distribution of the platinum–arabinogalactan complex is not specific only for tumor cells in mice. The complex was found in all tissues and organs examined (ascites cells, embryonic cells, kidney, and liver). The mechanism of action of the arabinogalactan–platinum complex may be similar to cisplatin as the complex is able to accumulate in tumor cells. © 2016, Pleiades Publishing, Ltd.

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Публикация на русском языке Противоопухолевый эффект комплекса арабиногалактана с платиной [Текст] / А. К. Старков [и др.] // Докл. Акад. наук : Наука, 2016. - Т. 467 № 1. - С. 112-114

Держатели документа:
Institute of Chemistry and Chemical Technology, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Voino-Yasenetskii State Medical University, Ministry of Health of the Russian Federation, ul. Partizana Zheleznyaka 1, Krasnoyarsk, Krasnoyarsk krai, Russian Federation
Siberian Federal University, Svobodnyi pr. 79, Krasnoyarsk, Russian Federation
Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Starkov, A. K.; Zamay, T. N.; Замай, Т. Н.; Savchenko, A. A.; Ingevatkin, E. V.; Titova, N. M.; Kolovskaya, O. S.; Коловская, О. С.; Luzan, N. A.; Silkin, P. P.; Kuznetsova, S. A.; Кузнецова, Светлана Алексеевна
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Fedorov, A. S.
Ab initio study of hydrogen chemical adsorption on platinum surface/carbon nanotube join system / A. S. Fedorov, P. B. Sorokin, A. A. Kuzubov // Phys. Status Solidi B. - 2008. - Vol. 245, Is. 8. - P. 1546-1551, DOI 10.1002/pssb.200844155. - Cited References: 31 . - ISSN 0370-1972

РУБ Physics, Condensed Matter
Рубрики:
WALLED CARBON NANOTUBES
   MOLECULAR-DYNAMICS
   ROOM-TEMPERATURE
   STORAGE
   ENERGY
   THERMODYNAMICS
   GRAPHITE
   DENSITY
   POINTS
Аннотация: The process of hydrogen chemical adsorption on platinum cluster/single wall carbon nanotube (CNT) join surfaces is modelled at various temperatures and pressures. For that, the adsorption energy of hydrogen atoms on surfaces of both platinum (111) plate and CNT (5,5) or (8,8) types is calculated by density functional theory with the PBE approximation. At various temperatures the hydrogen atom hopping rate on both platinum and CNT surfaces is calculated by the transition state theory. Furthermore the hydrogen hopping rate from the platinum surface to the attached nanotube is obtained by calculation of the total energy profile. It is proved that hydrogen atoms can migrate easily at the platinum surface at all temperatures, but at the CNT surface they can migrate beginning at 400-500 K. By calculation of chemical potentials of hydrogen in gas or on CNT or platinum cluster surfaces the equilibrium density of adsorbed hydrogen was calculated at different temperatures and pressures. It is established that for all temperatures in the range 300-900 K and for all pressures less than 500 bar, the hydrogen is dissociated and chemically adsorbed on the platinum surface very effectively, but surface site occupation by hydrogen on attached CNT surface is rather small. But if CNT vacancies are present in the tube structure and the temperature is lower then 450 K, hydrogen atoms can be adsorbed effectively enough on these vacancies. (C) 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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Держатели документа:
[Fedorov, Alexander S.
Sorokin, Pavel B.
Kuzubov, Alexander A.] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Fedorov, Alexander S.] Moscow Railroad Transport Engn Inst, Krasnoyarsk 660028, Russia
[Sorokin, Pavel B.
Kuzubov, Alexander A.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
Kirensky Institute of Physics, Akademgorodok, 660036 Krasnoyarsk, Russian Federation
Railroad Transport Institute, 660028 Krasnoyarsk, Russian Federation
Siberian Federal University, 79 Svobodniy av, 660041 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Sorokin, P. B.; Kuzubov, A. A.; Кузубов, Александр Александрович; Федоров, Александр Семенович
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Rhodium(III) speciation in concentrated nitric acid solutions / D. Vasilchenko [et al.] // Eur. J. Inorg. Chem. - 2016. - Vol. 2016, Is. 23. - P. 3822-3828, DOI 10.1002/ejic.201600523. - Cited References:31. - This work was supported by the Russian Foundation for Basic Research (grant number 16-03-00549 A). D. V. thanks the Ministry for Education and Science of the Russian Federation for the award of a President of the Russian Federation for Young Scientists Fellowship. . - ISSN 1434-1948. - ISSN 1099-0682

РУБ Chemistry, Inorganic & Nuclear
Рубрики:
MAGNETIC-RESONANCE
   FISSION PLATINOIDS
   AQUEOUS-SOLUTIONS
   PT-195 NMR
   RH(III)
   SPECTROSCOPY
   CHEMISTRY
   DISSOCIATION
   PLATINUM(IV)
   COMPLEXES
Кл.слова (ненормированные):
Rhodium -- NMR spectroscopy -- Nitrates
Аннотация: The interaction of rhodium(III) aqua ions with nitrate ions in 3–16 m nitric acid solutions has been studied by 103Rh and 15N NMR and Raman spectroscopy. The mononuclear complexes [Rh(H2O)6–n(NO3)n]3–n (n = 1–4) were found to be the only form of rhodium(III) existing in the solutions with the metal concentration in the range 0.2–1.3 m. The dynamics of the H2O → NO3– substitution process was studied at 80 °C. An increase in the average number of nitrate groups bonded to rhodium with increasing concentration of nitric acid was also determined. The fine crystalline salt Rb4trans-[Rh(H2O)2(NO3)4][Rh(NO3)6] was obtained by solvothermal concentration of the rhodium nitric acid solution on addition of rubidium nitrate. The structure of the salt was solved by the powder X-ray diffraction method, with monodentate coordination of nitrato ligands found for both the [Rh(NO3)6]3– and trans-[Rh(H2O)2(NO3)4]– anions.

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Держатели документа:
Russian Acad Sci, Nikolaev Inst Inorgan Chem, Siberian Branch, Novosibirsk 630090, Russia.
Novosibirsk State Univ, Novosibirsk 630090, Russia.
RAS, Inst Chem & Chem Technol, SB, Krasnoyarsk 660049, Russia.
RAS, Kirensky Inst Phys, SB, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, 79 Svobodny Pr, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Vasilchenko, D.; Vorob'eva, S.; Tkachev, S.; Baidina, I. A.; Belyaev, A.; Korenev, S.; Solovyov, L.; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Russian Foundation for Basic Research [16-03-00549 A]; Ministry for Education and Science of the Russian Federation
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Structure of a trinuclear μ3-vinylidene cluster CpMnFePt(μ3-C=CHPh)(PPh3)(CO)6 / O. S. Chudin [et al.] // J. Struct. Chem. - 2017. - Vol. 58, Is. 3. - P. 600-602, DOI 10.1134/S0022476617030234. - Cited References: 15 . - ISSN 0022-4766
Кл.слова (ненормированные):
heterometallic clusters -- iron -- manganese -- platinum -- single crystal X-ray diffraction analysis -- vinylidene complexes
Аннотация: The single crystal X-ray diffraction study of the heterometallic cluster CpMnFePt(μ3-C=CHPh)(PPh3)(CO)6 is performed. The crystallographic characteristics are as follows: a = 32.356(15) Å, b = 11.754(5) Å, c = 20.114(9) Å, β = 115.707(6)°, V = 6893(5) Å3, space group C2/c, Z = 8, dcalc = 1.741 g/cm3. The cluster molecule contains a bridging phenylvinylidene ligand coordinated to a metallic core in the form of a Mn–Fe–Pt chain (the Mn–Fe and Fe–Pt bond lengths are 2.6768(14) Å and 2.6280(11) Å respectively and the Mn⋯Pt distance is 3.6425(19) Å).

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Публикация на русском языке Структура трехъядерного μ3-винилиденового кластера CpMnFePt(μ3-C=CHPh)(PPh3)(CO)6 [Текст] / О. С. Чудин [и др.] // Журн. структ. химии. - 2017. - Т. 58 № 3. - С. 628-630

Держатели документа:
Institute of Chemistry and Chemical Technology, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Chudin, O. S.; Verpekin, V. V.; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Rubaylo, A. I.
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Chemistry of vinylidene complexes. XXIV. A new μ-vinylidene complex containing RePt core, and platinum-bound carbonyl ligand. Spectroscopic, structural and electrochemical study / V. V. Verpekin [et al.] // J. Mol. Struct. - 2018. - Vol. 1163. - P. 308-315, DOI 10.1016/j.molstruc.2018.03.020. - Cited References: 45. - The reported study was funded by the State budget allocated to the fundamental research in the Russian Academy of Sciences in the framework of Project No. V.44.1.7 and was financially supported by Krasnoyarsk Region Science and Technology Support Fund (the junior scientists project no. 3/15). . - ISSN 0022-2860. - ISSN 1872-8014

РУБ Chemistry, Physical
Рубрики:
TRI-METAL COMPLEXES
   RAY CRYSTAL-STRUCTURE
   BRIDGING CARBENE
   CARBYNE
Кл.слова (ненормированные):
Rhenium -- Platinum -- Vinylidene complexes -- Heterometallic complexes -- Electrochemistry
Аннотация: The novel heterobinuclear μ-vinylidene complex [Cp(CO)2Re(μ-C=CHPh)Pt(PPh3)(CO)] (1) was isolated from the reaction mixture of [Cp(CO)2Re(μ-C=CHPh)Fe(CO)4] and Pt(PPh3)4 for the first time. Alternative high-yield synthetic approaches to 1 were developed including the reactions of [Cp(CO)2Re(μ-C=CHPh)Pt(PPh3)2] (2) with Co2(CO)8 and Rh(acac)(CO)2. The complex was characterized by IR and ¹H, ¹³C and ³¹P NMR spectroscopy, a molecular structure of 1 was determined by X-ray diffraction analysis. The electrochemical behavior of the new complex was studied by cyclic voltammetry at platinum or glassed carbon electrodes and by dc polarography at a dropping mercury electrode.

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Держатели документа:
RAS, SB, Inst Chem & Chem Technol, Krasnoyarsk Sci Ctr,Fed Res Ctr, Akademgorodok 50-24, Krasnoyarsk 660036, Russia.
RAS, SB, Fed Res Ctr, Inst Phys,Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia.
RAS, Fed Res Ctr, SB, Krasnoyarsk Sci Ctr, Akademgorodok 50, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Svobodny Prospect 79, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Verpekin, V. V.; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Kondrasenko, A. A.; Burmakina, G. V.; Chudin, O. S.; Pavlenko, N. I; Zimonin, Dmitry V.; Rubaylo, Anatoly I.; Russian Academy of Sciences [V.44.1.7]; Krasnoyarsk Region Science and Technology Support Fund [3/15]
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10.

Ion-exchange sorption of palladium(II) from hydrochloric acid solutions in the presence of silver(I) / O. N. Kononova [et al.] // Russ. J. Phys. Chem. A. - 2018. - Vol. 92, Is. 10. - P. 2053-2059, DOI 10.1134/S0036024418100138. - Cited References: 36 . - ISSN 0036-0244. - ISSN 1531-863X

РУБ Chemistry, Physical
Рубрики:
PLATINUM-GROUP METALS
   RECOVERY
   COMPLEXES
   CHLORIDE
   PD(II)
Кл.слова (ненормированные):
palladium -- silver -- hydrochloric acid solutions -- sorption -- sorptive extraction
Аннотация: The sorptive extraction of palladium(II) chloride complexes in the presence of silver(I) chloride complexes from 2 and 4 M aqueous solutions of HCl with a series of Purolite anionites with different functional groups is studied. An anion exchange mechanism of sorption is identified from Raman spectroscopy data. Kinetic properties that are inherent to the investigated ionites and allow the elution of palladium(II) and silver(I) after their extraction in a dynamic mode are revealed.

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Публикация на русском языке Ионообменная сорбция палладия (II) в присутствии серебра (I) из солянокислых растворов [Текст] / О. Н. Кононова [и др.] // Журн. физ. химии. - 2018. - Т. 92 № 10. - С. 1641-1647

Держатели документа:
Siberian Fed Univ, Inst Nonferrous Met & Mat Sci, Krasnoyarsk 660025, Russia.
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Kononova, O. N.; Duba, E. V.; Medovikov, D. V.; Krylov, A. S.; Крылов, Александр Сергеевич
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