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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of applied electrochemistry 1 (1971), S. 53-63 
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract Molten bisulphates form an interesting class of low-temperature fused salts which quench to form glasses; some technical and theoretical applications of these systems are discussed. The NaHSO4KHSO-4 eutectic (46.5% KHSO4, m.p. 125°C,T g 25°C) is easy to study since at lower temperatures decomposition of the melt is retarded and supercooling readily occurs. The solvent properties of this eutectic towards both inorganic and organic solutes have been investigated. The oxidation states available to transition and post-transition metals were studied spectrophotometrically and voltametrically; the results show a very restricted pattern of redox chemistry. The (abbreviated) electrochemical series is V(V)/V(IV)〉Mn(III)/Mn(II)〉H(I)/H2(O)〉Ag(I)/Ag(O)〉Mo(VI)/Mo(V)〉 Hg(I)/Hg(O)〉Cu(II)/Cu(O)〉Zn(II)/Zn(O). The Hammett acidity function,H 0, was measured as in the range −1 to −2. Various factors influencing redox reactions in the melt are discussed.
    Type of Medium: Electronic Resource
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