22537-49-1Relevant articles and documents
Kinetic stability of indium(III) complexes with azaporphyrins in aqueous sulfuric acid
Khelevina,Stuzhin,Migalova,Shukhto
, p. 1647 - 1652 (2001)
Stability of chloro(octaphenyltetraazaporphinato)indium(III) and chloro(2,8,12,18-tetrabutyl-3,7,13,17-tetramethyl-5,15-diazaporphinato)indium(II I) in 90-98 % aqueous sulfuric acid was studied. Kinetic parameters of solvoprotolytic dissociation of the complexes were determined, and a mechanism of the reaction was proposed. Diaza substitution results in more stable complexes than tetraaza substitution. The state of chloro(2,8,12,18-tetrabutyl-3,7,13,17-tetramethyl-5,15-diazaporphinato)indium(II I) in a proton-donor medium was studied to show that the acid-base interaction involves one by one two meso-nitrogen atoms. Dissociation constants of the resulting acid forms were determined.
Convenient preparation and improved stability of aqueous indium(I) solutions used in electron transfer reactions
Chandra, Swapan K.,Gould, Edwin S.
, p. 809 - 810 (1996)
Solutions 0.27 mol dm-3 in InI, prepared by treatment of indium amalgam with silver triflate in dry acetonitrile, are stable for more than 5 days in the absence of oxygen and may be diluted 300-fold with water to give InI(aq) solutions which are stable for over 5 h; kinetic patterns for reactions of [Co(NH3)5X]2+ (X = Cl-, Br-, I-, HC2O4-) with InI point to a pair of consecutive 1 e transactions, the first (slower) of which is predominantly inner sphere.
Extraction of gallium(III) by 1-{[2-(2,4-dichlorophenyl)-4-propyl-1,3- dioxolan-2-yl]methyl}-1H-1,2,4-triazole from hydrochloric acid solutions
Anpilogova,Murinov
, p. 2022 - 2026 (2009)
The extraction of gallium(III) with 1-{[2-(2,4-dichlorophenyl)-4-propyl-1, 3-dioxolan-2- yl]methyl}-1H-1,2,4-triazole from hydrochloric acid solutions into toluene was studied. It was found that gallium( III) was efficiently extracted from 5-10 M solution
Solvent extraction of some trace metals and iron with N-octyl-N,N- bis(dihexylphosphinylmethyl)amine
Cherkasov,Garifzyanov,Bazanova,Leont'eva
, p. 2080 - 2087 (2012/03/12)
The processes were studied of the solvent extraction of the ions of triply-charged trace elements including scandium, indium, gallium, and yttrium, as well as iron, with N-octyl-N,N-bis(dihexylphosphinylmethyl)amine solution in toluene, chloroform or methylene chloride from hydrochloric, nitric or perchloric acids aqueous solutions. The metals extraction dependence on the acid concentration showed that the best results were reached using perchloric acid. The calculation of partition coefficients of metals allowed us to reveal a high selectivity of the scandium extraction. The prospects of using the investigated bisphosphinylamine in the technology of extraction, concentration and separation of the trace metals ions was concluded. Pleiades Publishing, Ltd., 2011.
Reactions of octacyanomolybdate(V) and octacyanotungstate(V) with s 2 metal-ion reducing centers
Yang, Zhiyong,Gould, Edwin S.
, p. 1858 - 1861 (2007/10/03)
The s2 centers, Sn(II), Ge(II), and In(I) reduce Mo v(CN)83- and Wv(CN)8 3- quantitatively to the corresponding octacyanomolybdate(IV) and -tungstate(IV) anions. Reductions by In(I) proceed 103-10 5 times as rapidly as those by Sn(II) and Ge(II). All reactions are triggered by a single electron oxidation, yielding a much more reactive s I intermediate. Reductions by Sn(II) in chloride medium proceed predominantly through the SnCl3- anion. The Ge(II)-W(CN) 83- reaction is initiated by a slow unimolecular heterolysis of the Ge(II) center, yielding very nearly linear profiles when the reductant is in excess. The Royal Society of Chemistry 2004.
KINETICS AND MECHANISM OF THE OXIDATION OF INDIUM (I) BY NITRIC ACID IN AQUEOUS SOLUTION.
Red'kin,Smirnov
, p. 866 - 868 (2008/10/08)
The oxidation of indium (I) by nitrite in aqueous solution was studied. The reaction rate is described by a third-order kinetic equation with constant k//3 equals 1. 5 multiplied by (times) 10**4 liters**2/mole**2 multiplied by (times) sec. The activation energy (E//a) is 72. 2 kj/mole. The end products of the interaction of indium (I) and nitrite are In (III) and N//2O. The reaction mechanism is discussed.
