Étude spectrophotométrique UV. de solutions diluées de chromate dans l'acide sulfurique concentré |
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Abstract: | Dilute solutions ( < 1· 10?4M ) of CrO4K2 in concentrated sulfuric acid, were investigated spectrophotometrically. Spectral, kinetic and equilibrium studies confirm the instability of CrVI species and their conversion to CrV complexes, as proposed by MISHRA & SYMONS . Reaction mechanisms are proposed. |
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