Zobrazeno 1 - 10
of 60
pro vyhledávání: '"A. V. Radushev"'
Publikováno v:
JOM. 75:1559-1568
Publikováno v:
Russian Journal of Applied Chemistry. 94:595-600
Derivatives of hydrazine and α-branched tertiary carboxylic acids of fractions C10 and C15–C19: 1,2-diacylhydrazines C10, hydrazides C15 –C19, N ′,N-dimethylhydrazides C15–C19, N ′,N ′-dimethylhydrazides C10 and hydrazides C10 in the for
Publikováno v:
Transaction Kola Science Centre. 11:126-129
Optimal conditions and selectivity of extraction of a mixture of nine REM3+ions with 0,5 mol / L solution of neocarboxylic acid hydrazides of the C15–C19fraction from sulfuric acid media and the ratio of the phases Vо: Vwwere determined. The capac
Publikováno v:
Chemical Engineering. 20:70-75
Azo Derivatives of Phenol and 1-Naphthol as Flotation Collector of Sulfide Ore of Non-Ferrous Metals
Autor:
A. V. Radushev, V. O. Gogoshvili, L. G. Chekanova, K. O. Manylova, V. Yu. Gusev, E. V. Baigacheva
Publikováno v:
Russian Journal of Applied Chemistry. 91:573-582
Nine heterocyclic and aromatic azo derivatives of phenol and 1-naphthol were studied as flotation collectors of sulfide ores of non-ferrous metals. The constants of acid dissociation of compounds in aqueous solutions and their solubility in alkaline
Publikováno v:
Russian Journal of Applied Chemistry. 91:560-565
Fundamental aspects of the extractive recovery of copper(II) in the presence of accompanying metals from sulfuric acid solutions with hydrazides of Versatic (GVIK 509) α-branched tertiary carboxylic acids in kerosene or its mixture with modifying ag
Autor:
V. Yu. Gusev, A. V. Radushev
Publikováno v:
Russian Journal of Coordination Chemistry. 42:763-767
Complex [Cu(HL1)2]Cl2 ⋅ 1.34 Н2О (HL1 = p-(t-Bu)C6H4CONHN(Me)2) is studied by X-ray diffraction analysis. The coordination polyhedron of the copper atom is a distorted tetragonal pyramid, whose base is formed by the amine N and O atoms of two lig
Autor:
V. Yu. Gusev, A. V. Radushev
Publikováno v:
Russian Journal of Inorganic Chemistry. 61:964-968
The X-ray diffraction analysis of [Cu(p-(t-Bu)C6H4CONHN(Me)2)]Cl2 (I) has been performed. The complex is binuclear. Its structure represents a centrosymmetric dimer. Copper atoms are linked to each other via two bridging chlorine atoms. The copper co
Publikováno v:
Russian Journal of Applied Chemistry. 89:880-885
Possibility of direct extraction of 0.66 g L–1 Ni(II), 0.048 g L–1 Co(II), and 0.024 g L–1 Zn(II) in the presence of the nine commonly accompanying elements from a model solution for underground sulfuric acid leaching of an oxidized Ni ore with
Publikováno v:
Separation Science and Technology. 50:512-519
Versatic α-branched tert-carboxylic acids containing C(O)NHNH2, C(O)NHNHC(O), and C(O)NHN(CH3)2 hydrazide groups instead of carboxylic group are synthesized, with subsequent investigation in their physico-chemical, complexing, and extractive propert