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'Ionic hydration Structure Electrolyte solutions' in keywords
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1991 (1)
1Author    T. Yamaguchi, S. Tanaka, H. Wakita, M. Misawa1, I. Okada2, A. K. Soper3, W. S. Howells3Requires cookie*
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 Abstract    u ls e d N e u tr o n D if fr a c tio n S tu d ie s o n L a n t h a n i d e (I I I) H y d r a tio n in A q u e o u s P e r c h lo r a te S o lu tio n s Dedicated to Dr. Karl Heinzinger on the occasion of his 60th birthday Pulsed neutron diffraction measurements are reported on 2 molar aqueous solutions of Pr3 + , Nd3 + , Tb3 + , Dy3 + , Tm3 + , and Yb3+ in D20 at room temperature. The first order difference technique on isomorphous ions is used to derive the metal ion pair correlation functions in these systems. The metal-oxygen and metal-deuterium distances and the hydration numbers are deter­ mined. The data indicate that the hydration number changes from ~ 10 for the lighter ions to ~8 for the heavier ones in the series. The water dipole is orientated on the average at an angle of 10 ~ 20 degrees to the metal-oxygen vector; these values are significantly smaller than those found for mono-and di-valent ions. The present results are compared with other results from neutron diffraction with isotope substitution, X-ray diffraction, and extended X-ray absorption fine structure. 
  Reference    Z. Naturforsch. 46a, 84—88 (1991); received August 1 1990 
  Published    1991 
  Keywords    Neutron diffraction, Lanthanide(IlI) ions, Ionic hydration Structure Electrolyte solutions 
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 TEI-XML for    default:Reihe_A/46/ZNA-1991-46a-0084.pdf 
 Identifier    ZNA-1991-46a-0084 
 Volume    46