Abstract

The rates of dissolution of beryllium metal in aqueous solutions of nitric sulfuric hydrochloric and hydrofluoric acid, and of ammonium fiuoride, were measured, and the relative rates for equimolar concentrations of the acids under similar conditions were found to be HF > H/sub 2/SO/sub 4/ approx equal HCl> HNO/sub 3/. The rate varies with the source and method of fabrication of the metal. Dissolution of beryllium in nitric acid was examined in detail as a function of acid concentration, temperature, surface properties of the metal, and the presence of hydrofluoric acid. (auth)

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