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Showing papers in "Journal of Inorganic and Nuclear Chemistry in 1974"


Journal ArticleDOI
TL;DR: In this paper, the OSIRIS facility mass-separated samples containing isotopes of the elements from zinc to zirconium and from silver to cerium (lanthanum and cerium as decay products only) have been prepared, and their decay has been followed by means of 4πβ-counting or delayed neutron counting.

153 citations


Journal ArticleDOI
TL;DR: An electron microscope has been used to examine the characteristics of goethite crystals and the nature of acid attack on these crystals in aqueous solutions as mentioned in this paper, and the results showed that the dissolution of synthetic acicular goethites is anisotropic, two of the faces, (010) and (001) dissolving more rapidly than (100).

152 citations


Journal ArticleDOI
TL;DR: In this article, the reaction of differently substituted aroyl hydrazones (R·CHN·NH·CO·R′) with nickel(II and copper(II) salts was investigated.

120 citations


Journal ArticleDOI
TL;DR: The tendency toward mixed complex formation may be expressed quantitatively in two different ways as mentioned in this paper : the most common approach is to compare the stability of the mixed complex with the two pure 2:1 complexes where two like ligands are bound to a single metal ion.

103 citations


Journal ArticleDOI
TL;DR: In this article, the extractability of di(2-ethylhexyl) phosphoric acid in n-dodecane from 1 M (Na, H)NO3 and 1 M Na, HCl decreases in the orders Zn(II) > Cd(II), > Cu(II, > Co(II).

98 citations


Journal ArticleDOI
TL;DR: In this paper, the spectra of sixteen imidazole (HIm) complexes with Co(II, Ni(II), Cu(II) and Zn(II).

93 citations


Journal ArticleDOI
TL;DR: In this paper, the time for a visible precipitate to form in iron(III) nitrate, perchlorate, and chloride solutions was measured at 25°C as a function of the base (NaHCO3) to iron (III) concentration ratio (OH/Fe) for solutions containing insufficient base.

92 citations


Journal ArticleDOI
TL;DR: In this article, it was shown that the complexes of type Ni L 2 X 2 where L is semicarbazide, NH 2 NHCONH 2, or semicarazones, and X = Cl, or Br, have tetragonal 6-coordinate structures.

86 citations


Journal ArticleDOI
TL;DR: In this article, the effect of chelation on the ligand group frequencies and the stability order of the chelates are discussed, and the observed frequencies have been made to specific group vibrations by comparison with the spectra of related compounds.

84 citations


Journal ArticleDOI
TL;DR: In this paper, mixed nickel(II) chelates containing N, N,N,N′, N′-tetramethylethylenediamine and β-diketonate ions were newly obtained.

74 citations


Journal ArticleDOI
TL;DR: Even in the presence of tenfold excess ligand, amino acids and lanthanide ions titrate 2·4-2·8 equivalents of base per mole of Ln(III) associated with hydrolysis of the metal ion in neutral solutions.

Journal ArticleDOI
TL;DR: In this paper, the magnetic, conductometric, electronic and i.r. spectral properties of 2-aminoethyl pyridine complexes have been investigated and it has been concluded that this distortion is due to unequal donor strengths of NO 3 and NCS ligands.

Journal ArticleDOI
TL;DR: In this article, some features of the reactivity of the amino acids coordinated to metal ions are reviewed, including the formation and the hydrolysis of esters and peptides, to some reactions of complexes of amino acids Schiff bases, to aldol condensation and isotopic exchange and racemization at the α-carbon atom.

Journal ArticleDOI
TL;DR: In this paper, the Karlsruhe isochronous cyclotron was used to measure the (α, xn)-reactions with Mo-isotopes.

Journal ArticleDOI
TL;DR: In this article, the I.R. spectra (2200−70 cm −1 ) of double salts of haxacyano ferrates (II and III) containing Cu 2+, Ni 2+ and Co 2+ as outer cations are reported.

Journal ArticleDOI
TL;DR: Piperidine carbodithioate (Pipdtc), thiomorpholine-4- (Timdtc) and N-methylpiperazine-4 -carbamate complexes of iron(III), cobalt(II), nickel, copper, zinc, cadmium, and mercury have been prepared and characterized by magnetic and spectroscopic techniques as mentioned in this paper.

Journal ArticleDOI
TL;DR: For a variety of single electrolyte aqueous solutions at several molalities up to 1·5-2·5, liquid-vapor critical temperatures (tc) have been determined visually as mentioned in this paper.


Journal ArticleDOI
TL;DR: In this paper, les auteurs ont trace pour diverses temperatures les courbes experimentales de vitesse de perte de masse en fonction de la pression de vapeur d'eau, en mettant hors d'equilibre chacun des hydrates suivants.

Journal ArticleDOI
TL;DR: NiTMPyP has been shown to exist in aqueous solution as an equilibrium mixture between diamagnetic, four-coordinate nickel and paramagnetic, six-coordinated nickel complexed by water molecules in the axial positions as discussed by the authors.

Journal ArticleDOI
TL;DR: In this paper, the polymeric copper(II) chelates of 2,5-dihydroxy-p -benzoquinone, 5,8-Dihydrox-1,4-naphthoquinone and 6,11dihdroxynaphthacenequinone have been prepared under similar conditions and relative thermal stabilities were determined by differential thermal analysis.

Journal ArticleDOI
TL;DR: Cochinative interactions of DOPA, dopamine, adrenaline, noradrenaline and tyramine with H+, Ni2+, Cu2+, Zn2+, Cd2+ and Pb2+ have been studied by the pH-titration method at 20°C.

Journal ArticleDOI
TL;DR: In this article, the reaction of aroylhydrazines with nickel(II), cobalt(II) and copper (II) ions was investigated, and both mono and bis chelates were obtained at low temperature while at high temperature, oxidation reduction reactions occurred with the formation of complexes with mixed oxidation states of copper.

Journal ArticleDOI
TL;DR: SISAK as discussed by the authors is a continuous technique for on-line chemical separation of short-lived species, which can be used for selective isolation of almost all elements, including nuclides.

Journal ArticleDOI
TL;DR: In this paper, the stability constants of trivalent actinides were determined in an ammonium ion medium at 30 ± 0·1°C and unit ionic strength by a solvent extraction method.

Journal ArticleDOI
TL;DR: The equilibrium constants and in part the ΔH and ΔS data for the parent and mixed complexes of copper(II)-aspartic acid, copper(2)-glutamic acid-glycine, copper-2-glutamides acid-gargamic acid, and copper-II-aspartics acid-saltic acid were determined pH-metrically and calorimetrically as mentioned in this paper.

Journal ArticleDOI
TL;DR: Extraction equilibrium constants for the formation of rare earth ethenoyltrifluoroacetonates, RE(TTA) 3, have been determined for all rare earths including yttrium.

Journal ArticleDOI
TL;DR: In this paper, electronic and ESR spectroscopy have been used to characterize tris-(piperidyldithiocarbamoto)chromium(III) chelates.

Journal ArticleDOI
TL;DR: In this article, the electronic and i.r. spectra of the complex biguanide bases of V, Cr, Mn, Co, Ni, Cu and Zn are studied and assignments of the chief bands are made.

Journal ArticleDOI
TL;DR: In this paper, a cation exchange method was used to estimate the conditional stability constants of four kinds of cyclic phosphate anions, trimeta-, tetrameta-, hexameta-, octameta-and octametaphosphate, with metal ions, including strontium, zinc and cobalt(II) ion.