Zobrazeno 1 - 10
of 50
pro vyhledávání: '"N. Ya. Turova"'
Publikováno v:
Russian Journal of Coordination Chemistry. 42:19-26
Conditions for the synthesis of gallium isopropoxide (I) by anodic dissolution of the metal in i-PrOH (in the presence of Bu4NBr supporting electrolyte) and by exchange reaction of GaCl3 with i-PrONa were studied. In the latter case, the crude produc
Publikováno v:
Russian Journal of Inorganic Chemistry. 60:1384-1389
La(OR)3 (R = Me, Et, Pr i , or C2H4OMe) has been synthesized via direct and electrochemical dissolution of metallic lanthanum in alcohols (in the presence of I2 or a HgCl2/HgI2/Hg(OAc)2 mixture catalysts or Bu4NBr or Et3BzNCl electrochemical additive
Publikováno v:
Russian Journal of Inorganic Chemistry. 53:665-675
Compounds Ga(OR)3 (R = Me, Et, Pri, Bun, C2H4OMe) were synthesized by exchange reactions between gallium chloride and alkali metal alkoxides, the reetherefication of Ga(OPri)3 and Ga(OC2H4OMe)3 by other ROH (R = Me, Et), and anodic dissolution of met
Publikováno v:
Russian Journal of Inorganic Chemistry. 52:1682-1686
The anodic dissolution of tin metal in absolute alcohols yields oxoalkoxides with the general formula Sn6O4(OR)4 (R = Me (1), Et (2), i-Pr (3)) and orthoalkoxides with the general formula Sn(OR)2 (R = n-Bu (4), C2H4OMe (5)). According to X-ray crysta
Autor:
A. A. Fursina, S. Yu. Stefanovich, N. Ya. Turova, Bogdan I. Lazoryak, I. A. Dantsker, A. V. Teterskii, S. N. Savvin
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 71:1179-1182
Oxygen-ion-conductive apatite-like oxosilicate and silicophosphate ceramics has been prepared by sintering sol-gel synthesis products at temperatures 200°C below those of solid-phase synthesis. The electrical properties of the ceramics obtained have
Autor:
N. Ya. Turova, E. V. Suslova
Publikováno v:
Russian Journal of Inorganic Chemistry. 51:1846-1854
Physicochemical analyses (solubility method, conductometry, and IR spectroscopy) revealed no complex formation in M(OR)n-Si(OR)4-ROH systems (M = Na, Ba, Al; R = Et, Pri), unlike in the systems containing alkoxides of two metals. IR and NMR spectrosc
Sol-gel synthesis of oxygen-ion conductors based on apatite-structure silicates and silicophosphates
Publikováno v:
Inorganic Materials. 42:294-302
Oxygen-ion-conducting orthosilicates were synthesized for the first time by a sol-gel process. Apatite-structure compounds with the general formula M 2 II Ln8 (SiO4)6O2 (MII = Ca, Sr, Pb; Ln = La, Pr, Nd, Gd, Er, Yb) were prepared by reacting tetraet
Publikováno v:
Polyhedron. 21:1629-1634
Crystals of magnesium oxomethoxoniobate, Mg2Nb2O2(OMe)10(MeOH)4 (1), resulting from partial decomposition of bimetallic alkoxoniobate, MgNb2(OMe)12·2MeOH (2), have been isolated with moderate yields from solutions obtained by interaction of magnesiu
Publikováno v:
Inorganic Materials. 36:260-270
This review covers the works on the sol-gel preparation of oxides from metal alkoxides that were carried out at the Faculty of Chemistry, Moscow State University, and at the Karpov Research Institute of Physical Chemistry. The composition and propert
Publikováno v:
Inorganic Chemistry Communications. 10:352-354
The amorphous bimetallic isopropoxides of variable composition LaZr n O x (OPr i ) 3+4 n −2 x , where n = 0.5–3 formed on interaction of the two homometallic isopropoxides, La 5 O(O i Pr) 13 and Zr(O i Pr) 4 ( i PrOH), in solutions in parent alco