Zobrazeno 1 - 10
of 11
pro vyhledávání: '"L. K. Nikiforova"'
Publikováno v:
Hydrometallurgy. 169:585-588
Studies on the extractive purification of zinc sulfate solutions from chloride using mixtures of trialkyl phosphine oxide (TRPO, CYANEX 923) and organophosphorus acids (HR) as extractants have been carried out. The acids used were di(2-ethylhexyl)pho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::223c375ddfb1d627f0a0dce71a846083
https://doi.org/10.1016/j.hydromet.2017.04.004
https://doi.org/10.1016/j.hydromet.2017.04.004
Publikováno v:
Separation Science and Technology.
It was shown that a strong synergistic effect (S ≈ 4000) takes place when extracting manganese (II) from sulfate solutions with mixtures of bis(2,4,4-trimethylpentyl)dithiophosphinic acid (CYANEX 301) and trioctyl phosphine oxide (TOPO. The synergi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb855b7c3d2afe0c40c9f1e7c405d4fc
https://doi.org/10.1080/01496395.2017.1291682
https://doi.org/10.1080/01496395.2017.1291682
Publikováno v:
Hydrometallurgy. 110:73-78
The paper presents data on zinc extraction from sulfate solutions with bis(2,4,4-trimethylpentyl)dithiophosphinic acid (HR, trade mark CYANEX 301) diluted with nonane and kerosene in the absence and in the presence of electron-donor additives (L). Tr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75ee9a0e670619f706b48fabfa8e043e
https://doi.org/10.1016/j.hydromet.2011.08.010
https://doi.org/10.1016/j.hydromet.2011.08.010
Autor:
G. L. Pashkov, N. A. Grigorieva, L. K. Nikiforova, M. A. Pleshkov, Y. M. Shneerson, I. Yu. Fleitlikh
Publikováno v:
Solvent Extraction and Ion Exchange. 29:782-799
Data are presented on the solvent extraction of nickel and cobalt from sulfate solutions imitating the composition of partially neutralized liquors from the leaching of oxidized nickel ores using mixtures of 0.4 M CYANEX 301 (HR) with 0.4–0.5 M C7
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8b092a93a410e6b0d8437332111e8a9
https://doi.org/10.1080/07366299.2011.595627
https://doi.org/10.1080/07366299.2011.595627
Publikováno v:
Hydrometallurgy. 105:82-88
Data is presented on the nickel(II) extraction from sulfate solutions with bis(2,4,4-trimethylpentyl)dithiophosphinic acid (HR) (Cyanex 301) diluted with nonane in the presence of electron donor additives (L). Well-known extractants and modifiers, wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1955ca1b64e2eabdd6c6ab5a8ed7552
https://doi.org/10.1016/j.hydromet.2010.08.001
https://doi.org/10.1016/j.hydromet.2010.08.001
Publikováno v:
Solvent Extraction and Ion Exchange. 28:510-525
An IR-spectroscopy method is used to examine the state of nonane diluted bis(2,4,4-trimethylpentyl)dithiophosphinic acid (HR) in the presence of various electron-donor additives (L). Trioctyl amine (TOA), n-octanol, trioctylphosphine oxide (TOPO), tr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce25fe99976f31e63799602c250f3a5a
https://doi.org/10.1080/07366299.2010.482457
https://doi.org/10.1080/07366299.2010.482457
Publikováno v:
Theoretical Foundations of Chemical Engineering. 43:810-815
The extraction of nickel from sulfurous solutions by various mixtures of monocarboxylic acids with β-diketone (Lix 54, 1-phenyl-1,3-decadione) in the presence of magnesium and calcium is reported. The extraction of nickel by the complex agents was p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::456edba6b3ac46f84f220d24a60407a7
https://doi.org/10.1134/s0040579509050340
https://doi.org/10.1134/s0040579509050340
Autor:
G. L. Pashkov, L. K. Nikiforova, M. A. Pleshkov, I. Yu. Fleitlikh, N. I. Pavlenko, N. A. Grigorieva
Publikováno v:
Solvent Extraction and Ion Exchange. 26:749-763
The paper presents data on nickel(II) extraction from sulphate solutions with nonane‐diluted bis(2,4,4‐trimethylpentyl)dithiophosphinic acid (HR). An IR spectroscopy method is used to examine the state of HR in nonane, and it was shown to exist a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74c4fdee5028aa5c725adb1b3799b4fc
https://doi.org/10.1080/07366290802495192
https://doi.org/10.1080/07366290802495192
Publikováno v:
Russian Journal of Non-Ferrous Metals. 49:9-13
The data of laboratory investigations of the removal of impurities (Fe, Cu, Zn, Mg, Ca) from sulfate nickel solutions are presented. It is shown that Cyanex 272 [di(2,4,4-dimethylpenthyl)phosphinic acid] is the most efficient extractant. For two extr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76d8d46a22d637a603256f8b745055a5
https://doi.org/10.1007/s11981-008-1003-7
https://doi.org/10.1007/s11981-008-1003-7
Autor:
N. A. Grigorieva, N. I. Pavlenko, I. V. Makarov, L. K. Nikiforova, A. I. Khol’kin, E. S. Stoyanov, I. Yu. Fleitlikh, G. L. Pashkov, G. V. Kolesnichenko
Publikováno v:
Solvent Extraction and Ion Exchange. 20:765-776
The extraction of indium from sulfuric acidic solutions by mixtures of di(2-ethylhexyl)phosphoric (D2EHPA, HR) and octanoic (HA) acids was studied. The state of D2EHPA in octanoic acid was investigated by IR-spectroscopy. It was shown that the nonide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa5642fae86aedf62f83dd410f9dff0d
https://doi.org/10.1081/sei-120016078
https://doi.org/10.1081/sei-120016078