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'Chemical Composition' in keywords Facet   section ZfN Section B  [X]
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1980 (1)
1975 (1)
1Author    J. K. Omac, StefanRequires cookie*
 Abstract    The reactions of uranium oxysulphide with selected oxysulphides of rare earths (La, Gd, Yb) and Y were investigated. Several new phases, identified as uranium-rare earth oxysulphides were found. The chemical compositions and lattice constants of those compounds were determined. 
  Reference    (Z. Naturforsch. 30b, 79—80 [1975]; received October 2 1974) 
  Published    1975 
  Keywords    Uranium, Rare Earth Oxysulphides, Chemical Compositions, Lattice Constants 
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 TEI-XML for    default:Reihe_B/30/ZNB-1975-30b-0079.pdf 
 Identifier    ZNB-1975-30b-0079 
 Volume    30 
2Author    HansJoachim Berthold, Wolfgang LudwigRequires cookie*
 Title    Präparative und röntgenographische Untersuchungen über Cäsium-Silber-Gold(III)-Chlorid Preparation and X-ray Investigations of Cesium Silver Gold(III) Chloride  
 Abstract    Cesium silver gold(III) chloride has been prepared from hydrochloric acid solutions. The composition of the preparations is variable and depends on the ratio [Au(III)]/[Ag(I)] in solution. It corresponds to the formula Cs2Agi_aAui+a;/3Cl6. In the range 0 < x < 0,64 six crystallographically different phases have been observed. Above x — 0,42 a cubic phase is obtained. The stoichiometric compound Cs2AgAuCl6 is obtained only from solutions with [Au(III)]/[Ag(I)] < 1. Reports in the literature which claim the stoichiometric compound Cs2AgAuCl6 to exist in a cubic and in a tetragonal form cannot be confirmed. Cs2AgAuCl6 crystallizes ortho-rhombically with the lattice constants a = 15,21 A, b= 15,16 A and c= 10,32 A (Z = 8). 
  Reference    Z. Naturforsch. 35b, 651—656 (1980); eingegangen am 7. Februar 1980 
  Published    1980 
  Keywords    Cesium Silver Gold(III) Chloride, Preparation, Chemical Composition, Nonstoichiometric Phases, Lattice Constants 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0651.pdf 
 Identifier    ZNB-1980-35b-0651 
 Volume    35