Showing papers in "Journal of Inorganic and Nuclear Chemistry in 1971"

TL;DR: In this paper, the authors studied the Mossbauer spectra of the mineral sulphides mackinawite, greigite, and pentlandite at different temperatures and in external magnetic fields.

TL;DR: Two series of metallic hexacyanoferrate salts have been prepared and their i.r., visible and u.v. spectra investigated in the solid state using potassium bromide as the carrier medium as mentioned in this paper.

TL;DR: In this paper, the standard (III-IV) oxidation potentials for each member of the lanthanide series and for each members of the actinide series are obtained from a variety of sources, namely, from the direct electrode measurements reported in the literature, from linear plots of electron-transfer absorption band energy for various Ln(IV) and An-IV complexes versus the respective (III−IV) potentials, and from theoretical correlations using Jorgensen's refined-electron-spin-pairing-energy theory.

TL;DR: In this paper, the authors examined mathematical treatments based on three different models for the exchange of cations with silanolic protons on a silica surface above pH 5·5.

TL;DR: In this article, the dissolution of calcium sulfate dihydrate crystals into subsaturated solutions of the salt has been studied at various temperatures between 10° and 30°C using a calcium ion electrode.

TL;DR: In this article, the complexes of tin(IV) chloride with bidentate Schiff bases have been prepared and the analytical data indicate 1:2 stochastic geometry, and the complexes are yellow in colour, nonelectrolytes in DMF and appear to be octahedral.

TL;DR: In this article, the preparation and thermal stability of the various phases in the sodium uranate system, in which uranium has the valency of both VI and V, are described.

TL;DR: In this article, the absorption spectra of hexahalide and oxohalide complexes in the regions of electron transfer transitions, internal 5f electron transitions, metal-oxygen vibrational frequencies, and metal-halogen vibrational frequency are presented.

TL;DR: In this article, the application of electronic computers to the calculation of stability constants is reviewed, focusing on the problems of the choice of a program for a given system, the introduction of weighting factors, and the reliability of the resulting stability constants, and limits of error.

TL;DR: In this paper, the complexes of tin(IV) chloride with multidentate Schiff bases have been prepared and an octahedral structure may be proposed to each one of these complexes.

TL;DR: The enthalpies of formation of Mg 2 SiO 4, Co 2 Si O 4, Ni 2 Si o 4 and Zn 2 GeO 4 from the component oxides were measured by solution calorimetry in a molten oxide solvent at 692±2°C.

TL;DR: Some complexes formed between Mn(II, Co(II), Ni(II) and Ni(III) are 6-coordinate as discussed by the authors, and the Ag(II ) complexes are most probably square planar.

TL;DR: In this article, the first and second anion ligands are introduced at the interface and the first anion is removed at the same time as the second one in series and parallel reactions, respectively.

TL;DR: In this article, the copper(II) carboxylates were reduced in alkanolic solution with triphenylphosphine and two types of complex were obtained, one containing ligands and a bidentate carboxyclato group.

TL;DR: In this paper, it was shown that the change in the unit cell volume, V, of lanthanide compounds is not a smooth function of Z, but it can be represented by four segments formed by the following groups: La, Ce, Pr, Nd; Pm, Sm, Eu, Gd; Gd, Tb, Dy, Ho and Er, Tm, Yb, Lu.

TL;DR: The free energies of the reaction were estimated to be +5·8, −4·3 and −8·7 kcal/mole for ZnO, CoO, and NiO, respectively as mentioned in this paper.

TL;DR: In this paper, the coordination about the copper ion for a number of complexes formed by reaction of copper(II) hydroxide, sulfate, perchlorate or nitrate with mono-, di- or triethanolamine was determined.

TL;DR: In this article, the region of precipitation of aluminum hydroxide by mixing the aqueous solutions of aluminum chloride (0·03-200 mM) and sodium hydroxides (pH 3·5-11·5) was investigated tyndallometrically at 20°C, 24 hr after mixing at varied ionic strengths.

TL;DR: The complexes of nickel and zinc with ligands RR′NNHCS2− (R = H, R′ = C6H5), NH2NRCS2−(R = R′, CH3, C2H5, N-C3H7, n-C4H9), NH3NHN(CH3)CS2+ (CH3)-CS 2− (N 2, CH 3, N 3 ), NH2NHCS2 − (N 3, NH 3, CH 4, NH 2 NNHCS 2 −

TL;DR: In this article, a tridentate ligand bound to Cu(II) by amino, ionized amide, and one of two imidazole nitrogen donors is shown to coordinate at the fourth position of a metal ion chelated by another ligand molecule.

TL;DR: In this paper, the stability constants of Am(II) and Eu(III) complexes with chloride, nitrate and thiocyanate ions were determined in lithium, hydrogen, sodium and ammonium ion media at 30±0·1°C and unit ionic strength, by a solvent extraction method.

TL;DR: In this article, the authors examined variable stoichiometries in cases where reducing agents capable of either one or two equivalent initial steps are employed and by examination of inert Cr(III) products resulting from the direct reduction of Cr(IV) by one equivalent reducing agents.

TL;DR: In this article, the interaction of iron(III) and uranyl ions with dissolved silica is studied by a spectrophotometric technique, and the interaction with iron is studied as a function of the degree of polymerization of the silica.

TL;DR: In this paper, distribution coefficients (mole fraction in bismuth phase divided by mole fraction in salt phase) were determined for several lanthanide and actinide elements in molten LiFBeF2-liquid Bismuth systems.

TL;DR: Titanium(IV) complexes have been prepared with some aromatic Schiff bases and the analytical data show that these are either 1 : 2 or 1 : 1 complexes depending on the nature of the Schiff base.