Showing papers in "Journal of Inorganic and Nuclear Chemistry in 1980"

TL;DR: In this article, the binding of Th(IV) to three humic and two fulvic acids has been studied using a solvent extraction technique using a modified Born equation for electrostatic interaction.

TL;DR: In this paper, the polymerization of polyvanadic acid is studied by analytic and preparative ultracentrifugation, and the changes in the apparent molecular weight during ageing of solutions are related to the solute concentration dependence of sedimentation coefficients and to the existence of rapid associating-dissociating equilibria.

TL;DR: In this article, the relative concentrations of different hydrolyzed species as a function of pH were calculated using known or extrapolated hydrolysis constants, and the standard potentials in water as functions of pH are calculated.

TL;DR: Gibb's isotherm curves were run for a series of dialkyl phosphoric, phosphonic, and phosphinic acids, most in dodecane against 1 M HNO3 at 25°C as discussed by the authors.

TL;DR: In this article, the equilibrium constants which characterize the extraction and ionization of complexes have been calculated and the extraction mechanism has been discussed, on the basis of the elemental analyses, conductivity measurements, equilibrium constants and IR spectra the mode of coordination has been proposed.

TL;DR: In this paper, Ni(N-inicOH)3(ClO4)2·3H2O is the only true adduct of the series, apparently polynuclear, with both unidentate terminal and bidentate bridging N-nicOH, bridging O2ClO2 ligands, ionic ClO4− and lattice water.

TL;DR: Raman spectra have been obtained for the hydrate melts UO 2 (NO 3 ) 2 ·6H 2 O and UO2 (ClO 4 ) 2·7H 2O and for aqueous solutions of these salts over a wide range of solution composition as discussed by the authors.

TL;DR: In this paper, the equilibrium between Cu2+, copper metal and Cu+ ion has been studied, at 25°C in a series of (Na)ClO4 as well as (Na2)SO4 ionic media, by passing Cu2+ solutions through a column of finely divided copper metal In the effluent liquid phase, which was made to percolate at a rate low enough for equilibrium to be attained, the number of equivalents of reducing agent was determined by constant current coulometry.

TL;DR: In this paper, the stability constants of the complexes with d,l-penicillamine (PA), N-Acetyl-d,lpenicilla (NAPA), and 2,3-dimercaptopropanesulfonate (DMPS) were determined using a titration procedure involving simultaneous measurements with a glass and a mercury electrode.

TL;DR: In this article, the anticancer activities of (C5H5)2NbCl2 (NDC) and WDC were investigated against Ehrlich ascites tumor in CF1 mice.

TL;DR: In this article, it was shown that the neutral molecules and not anions of 2-aminopyridine with salicylaldehyde are coordinated to the metal ion as monodentate ligand where the nitrogen pyridine ring is the bonding site.

TL;DR: In this paper, the same authors investigated the gamma radiolysis of iodine ions in aqueous solutions under high intensity gamma-rays (4.5 × 106 R/h) from 60Co at ambient temperature.

TL;DR: In this paper, the chloride complexation of element 104 and compared it to that of the actinides and Hf, Cm, and Fm was investigated and the results showed that in 12 M HCl solutions, the chloride complexes with element 104 were clearly stronger than those of the trivalent actinide and is quite similar to Hf.

TL;DR: In this paper, the bonding of carboxylato ligand in these complexes has been discussed and these complexes have been characterized by elemental analysis m.p. conductivity measurement and IR and NMR spectral studies.

TL;DR: In this paper, the method of preparation of rare earth chelates of 1-phenyl-3-methyl-4-benzoyl-pyrazolone-5 is described.

TL;DR: In this paper, a series of fourteen ternary complexes, viz. [Cu(phen)L]·nH 2 O, [cu(bpyL] ·n H 2 O and [Cu[phen]LX]· n H 2 2 O, have been synthesized and characterised.

TL;DR: In this paper, orthohydroxyacetophenone-picolinoylhydrazone (APH) and Orthohydroxy-acetphenone-isonicotinoly hydrazone(AIH) react with divalent nickel and cobalt salts in methanolic medium and give complexes of the type [MAPH)X]2 and [M( AIH)X], where M�Ni(II) and Co(II), XCl, Br, NO3, NCS or H2O, depending upon the pH of the

TL;DR: The effect of the reagents structure on their extraction capacity and selectivity has been investigated in this paper, where it was shown that tetraphenylmethylenephosphine dioxide is the best reagent for group extraction and concentrating of transplutonium elements from 1 to 15 M HNO 3 and from nitrate solutions of arbitrary concentration and acidity.

TL;DR: In this article, the preparation and properties of ortho-hydroxyoximes are described and the kinetics of copper(II) extraction from acidic perchlorate media into toluene solutions of these reagents are investigated by means of a single drop technique.

TL;DR: A comprehensive theory of complex formation between boronic acids and organic diols is introduced and compared with experimental results for two exemplary systems using a direct spectrophotometric method over a wide range of pH values as mentioned in this paper.

TL;DR: In this article, the extraction of tervalent gallium, indium, and thallium has been studied with trioctylphosphine oxide (TOPO) in n-hexane from hydrochloric acid solutions in which the ionic concentration was kept at 4.0 mol dm−3.

TL;DR: In this article, the synthesis and chemical behavior of the polyanionic ligand Sb 9 W 21 O 86 19− were studied, and two types of coordination sites were evidenced and their reactivity discussed with regard to the polytungstic structure.

TL;DR: In this article, the bivalent transition metal ion equilibria of ion-exchange systems were studied at 30, 45 and 60°C on C-SbA as a cation exchanger.

TL;DR: In this paper, the softness of Lewis bases and Lewis acids has been derived for a complex formed between a Lewis acid and base, and the stability of the complexes in terms of ΔE nm(n) values has been expressed by the matching constant.

TL;DR: In this paper, the redox and complex formation reactions taking place in the copper(II)-thiourea-perchloric acid system have been investigated by a potentiometric method.