Výsledky vyhledávání - "M. P. Rys'kina"

Physicochemical Analysis of the System Zr(SO4)2–K2SO4–H2SO4(10%)–H2O at 25°C

Autor: G. V. Ponomarenko, V. Ya. Kuznetsov, G. S. Skiba, M. P. Rys’kina

Publikováno v: Russian Journal of Inorganic Chemistry. 64:1172-1177

The solubility was studied for compounds in the system Zr(SO4)2–K2SO4–H2SO4–H2O in the section at 10 wt % H2SO4 under isothermal conditions at 25°C in the cuts at a constant solvent content of 60 wt % (H2O + H2SO4). Equilibrium in the system w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::89a39d8fbd622bd864a5e3230e95ff38
https://doi.org/10.1134/s0036023619090201

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Phase Formation in the TiO2–H2SO4–HF–Nd(NO3)3–H2O System at 20°C

Autor: M. M. Godneva, M. P. Rys’kina, V. Ya. Kuznetsov, N. L. Mikhailova

Publikováno v: Russian Journal of Inorganic Chemistry. 64:262-269

The phases NdF3 (I), x (II), NdTi2O4.75F0.5(SO4)0.5 · 3H2O (III), NdTiF3(SO4)2 · 6H2O (NdTiOF(SO4)2 · 6H2O) (IV), Nd2(SO4)3 · 8H2O (V), and Nd2(SO4)3 · 4H2O (VI) formed in sulfuric acid and fluorine-containing solutions during the synthesis of m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::58e1f3716db1a8c5547c6d04cadeb5ee
https://doi.org/10.1134/s0036023619020086

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Phase formation in the ZrO(NO3)2-H2C2O4-KF-H2O system at 20°C

Autor: M. M. Godneva, M. P. Rys’kina, V. Ya. Kuznetsov, O. A. Zalkind

Publikováno v: Russian Journal of Inorganic Chemistry. 60:347-354

The system ZrO(NO3)2-H2C2O4-KF-H2O was studied in the sections C2O42− : Zr = 1 and 2. The following compounds were isolated: crystalline fluorooxalate zirconates K3ZrF5C2O4, K2ZrF4C2O4 · 2H2O, KZrF3C2O4 · 3H2O, and KZr2(OH)3F2(C2O4)2 · 4H2O, and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c2bac71a18f20cfc56fe75677616dd4b
https://doi.org/10.1134/s0036023615030067

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Phase formation in the ZrO(NO3)2-NaF(HF)-H3PO4-H2O system at 20°C

Autor: M. P. Rys’kina, V. Ya. Kuznetsov, V. V. Semushin, M. M. Godneva, N. L. Mikhailova

Publikováno v: Russian Journal of Inorganic Chemistry. 59:849-857

Phase formation in the ZrO(NO3)2-NaF(HF)-H3PO4-H2O system was studied at 20°C and 2.0–14.5 wt % ZrO2 in the initial solution along sections with molar ratios PO 4 3− /Zr = 0.5 and 1.5 and also in the presence of hydrogen fluoride at Na/Zr = 1 an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::792a09ec44dbe4d81789de67b400439b
https://doi.org/10.1134/s0036023614080087

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Some properties of potassium hexaniobates

Autor: Sergey V. Krivovichev, Elena S. Zhitova, V. K. Kopkov, V. G. Maiorov, M. P. Rys’kina, A. I. Nikolaev

Publikováno v: Russian Journal of Inorganic Chemistry. 59:172-177

The effects of KOH and K2CO3 concentrations in the solution and temperature on the solubilities of K7[HNb6O19] · 10H2O and K8 [Nb6O19] · 16H2O are studied. The structure of K7[HNb6O19] · 13H2O is established.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::89ad2bd23f3beda8beb33f90f0403c9c
https://doi.org/10.1134/s0036023614030152

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Phase formation in the ZrO(NO3)2-H3PO4-CsF(HF)-H2O system

Autor: M. M. Godneva, M. P. Rys’kina, Ya. A. Pakhomovskii, D. L. Motov

Publikováno v: Russian Journal of Inorganic Chemistry. 57:1033-1040

The phase formation in the system ZrO(NO3)2-H3PO4-CsF(HF)-H2O was studied at the molar ratio CsF/Zr = 1 along the sections PO 4 3− /Zr = 0.5 and 1.5 at a ZrO2 concentration in the initial solution of 2–14 wt %. The following compounds were isolat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3bf64324b496a99fc8825758608e6f7f
https://doi.org/10.1134/s0036023612060113

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Phase formation in the ZrO(NO3)2-H3PO4-CsF-H2O system at low concentration of the phosphorus-containing component

Autor: M. M. Godneva, M. P. Rys’kina, D. L. Motov

Publikováno v: Russian Journal of Inorganic Chemistry. 56:1363-1369

The ZrO(NO3)2-H3PO4-CsF-H2O system was studied at 20°C along the section at a molar ratio of PO43−/Zr = 0.5 (which is of the greatest interest in the context of phase formation) at ZrO2 concentrations in the initial solutions of 2–14 wt % and mo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e324e0dfe47d63ab4f00326fee2b3686
https://doi.org/10.1134/s0036023611090063

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Phase formation in the ZrO(NO3)2-H3PO4-RbF-H2O system: the PO 4 3− /Zr = 0.5 section

Autor: D. L. Motov, O. A. Zalkind, M. M. Godneva, V. Ya. Kuznetsov, M. P. Rys’kina

Publikováno v: Russian Journal of Inorganic Chemistry. 54:2005-2009

We studied phase formation in the ZrO(NO3)2-H3PO4-RbF-H2O system along PO43−/Zr = 0.5 (mol/mol) and RbF/Zr = 1–5 (mol/mol) sections with 2–10 wt % ZrO2 in the starting solution. We recovered amorphous rubidium oxofluorophosphatozirconate Rb2Zr3

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1d42edf0e3d787640e665bf44ab6d4bc
https://doi.org/10.1134/s0036023609120286

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Isolation of niobium, tantalum, and titanium complex fluoride salts with alkali metal cations

Autor: N. V. Kirichenko, M. P. Rys’kina, A. I. Nikolaev

Publikováno v: Russian Journal of Inorganic Chemistry. 54:1070-1075

Fluoride and oxofluoride salts of niobium, tantalum, and titanium were isolated. They precipitated from aqueous solutions and upon washing of organic extracts with aqueous solutions of ammonium, potassium, and sodium salts. The compositions of the is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::30eb93e5abf6b899dfef58e4fba78454
https://doi.org/10.1134/s0036023609070134

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