Zobrazeno 1 - 10
of 12
pro vyhledávání: '"N. V. Gudkova"'
Autor:
V. I. Kuzmin, N. V. Gudkova, D. V. Kuzmin, I. V. Peterson, M. N. Leskiv, Alexander I. Bulavchenko
Publikováno v:
Colloid Journal. 83:88-96
Interfacial separation of components of extractants based on di-(2-ethylhexyl)phosphoric acid (di-2EHPA) in toluene and a mixture of di-2EHPA with trioctylamine in toluene has been studied in the course of treatment with aqueous sodium hydroxide solu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36dff798dcd8e4c925d1755691e62015
https://doi.org/10.1134/s1061933x21010075
https://doi.org/10.1134/s1061933x21010075
Publikováno v:
Chemical Papers. 75:1115-1121
The extraction of cadmium from sulfuric acid solutions and its separation from nickel with salts of bis(2,4,4-trimethylpentyl)dithiophosphinic acid (Cyanex 301) and amines was studied. The data obtained show that extractants based on Cyanex 301 and Q
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07d36af5aa76d1487d319c40ec5666e4
https://doi.org/10.1007/s11696-020-01373-1
https://doi.org/10.1007/s11696-020-01373-1
Publikováno v:
Theoretical Foundations of Chemical Engineering. 54:781-785
Data are obtained concerning the extraction of hydroiodic, hydrobromic, and hydrochloric acids from solutions using a mixture of tributyl phosphate and molecular iodine. A significant increase in the extraction of these acids by tributyl phosphate in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6140ef94fc0160567b7a6888a6f56535
https://doi.org/10.1134/s0040579519050130
https://doi.org/10.1134/s0040579519050130
Publikováno v:
Russian Journal of Applied Chemistry. 93:238-243
The extraction of iron(III) with tributyl phosphate from bromide aqueous solutions in the electrochemical processing of natural waters and brines was studied. It was found that iron(III) is extracted from solutions of alkali metal bromides in the for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7eb1cb3502bfb665fe2632e98c11822
https://doi.org/10.1134/s1070427220020123
https://doi.org/10.1134/s1070427220020123
Publikováno v:
Russian Journal of General Chemistry. 89:1653-1658
Significant extraction degree of calcium and yttrium chlorides with solutions of the corresponding tetraphenylborates in tributyl phosphate has been revealed, due to the formation of mixed complex compounds in the organic phase. It has been shown tha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c6f5ba2b1b9dfa2b95ae4e11ef3960f
https://doi.org/10.1134/s1070363219080176
https://doi.org/10.1134/s1070363219080176
Autor:
A. V. Tolstov, O. A. Logutenko, M. A. Mulagaleeva, D. V. Kuzmin, N. V. Gudkova, V. I. Kuzmin, A. M. Zhizhaev, D. S. Flett, V.N. Kuzmina
Publikováno v:
Scopus-Elsevier
The complex niobium–rare earth pyrochlore–monazite–crandallite ores of the Tomtor deposit, located in the Siberian Arctic, should be considered as a new type of rare metal materials. The major valuable components of the ore are niobium (1.63–
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f897aa93a5c13eae7f176261b874f12
https://doi.org/10.1007/s11696-019-00695-z
https://doi.org/10.1007/s11696-019-00695-z
Publikováno v:
Hydrometallurgy. 180:221-228
The process of recovery by direct extraction of metal bromides from calcium chloride brines using mixtures of molecular iodine with tributyl phosphate has been studied. It was found that iodine significantly increases the recovery of the bromides of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8500ba3a8bbb09c0368180b18b47c7c
https://doi.org/10.1016/j.hydromet.2018.08.001
https://doi.org/10.1016/j.hydromet.2018.08.001
Autor:
S. N. Kalyakin, D. S. Flett, V.G. Lomayev, S.S. Serdyuk, D. V. Kuzmin, N. V. Gudkova, V.N. Kuzmina, V. I. Kuzmin, M.A. Mulagaleeva, O. A. Logutenko
Publikováno v:
Minerals Engineering. 113:8-14
The Chuktukon niobium-rare earth elements ore deposit is located in Siberia (Russia). Weathered carbonatite crusts are the basis of the ore deposit. The deposit itself is 3.5 km in length, about 800 to 1400 m in width and up to 200–300 m in thickne
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::885b1daf3e98865c904ea1cd0420e303
https://doi.org/10.1016/j.mineng.2017.07.015
https://doi.org/10.1016/j.mineng.2017.07.015
Autor:
V. I. Kuz’min, N. V. Gudkova
Publikováno v:
Solvent Extraction and Ion Exchange. 33:183-195
Extraction of lithium, calcium, and some other metal cations using tetraphenylborate/tributyl phosphate mixtures has been studied. The possibility of a qualitative change in the cation exchange extraction series towards the preferential recovery of l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64e9ba42e46a92480dd956f3f622c5b7
https://doi.org/10.1080/07366299.2014.977047
https://doi.org/10.1080/07366299.2014.977047
Autor:
V. I. Kuzmin, N. V. Gudkova
Publikováno v:
Theoretical Foundations of Chemical Engineering. 42:703-707
The effect of additions of neutral extractants on the cation-exchange separation of metal cations of different charges is analyzed. It is shown and confirmed experimentally that, during nonspecific and exhaustive solvation, an increase in the concent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63011146779497b261cd6613aa641d61
https://doi.org/10.1134/s0040579508050382
https://doi.org/10.1134/s0040579508050382