Intradiffusion coefficients of all species in aqueous gallium perchlorate solutions and solution viscosities at 25°C |
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| Authors: | William E. Price Lawrence A. Woolf |
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| Affiliation: | (1) Department of Chemistry, University of Wollongong, Northfields Avenue, 2522 Wollongong, NSW, Australia;(2) Atomic and Molecular Physics Laboratories Research School of Physical Sciences and Engineering, Australian National University, 2601 Canberra, ACT, Australia |
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| Abstract: | Intradiffusion coefficients of all species (cation, anion and solvent) and viscosities have been measured for aqueous solutions of gallium perchlorate in the concentration range 0–2.3 mol-kg–1 at 25°C. The perchlorate ion intradiffusion measurements were made using36ClO4– as the tracer species in diaphragm cell experiments. The development of a method to synthesize36ClO4– from36Cl– by electrolysis is described. The perchlorate intradiffusion coefficients results show a concentration dependence that is very similar to that for D(Cl–) in corresponding trivalent metal chloride solutions. A simple hydration analysis based on all the transport results estimates a total (effective) cation hydration for gallium within a 0–2 mol-kg–1 range of 10 (±1.5). |
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| Keywords: | Intradiffusion coefficients gallium perchlorate hydration viscosity |
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