Reactions at the lead electrode/hydrochloric acid interface

作者: J Ambrose , R.G Barradas , K Belinko , D.W Shoesmith

DOI: 10.1016/0021-9797(74)90276-8

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摘要: Abstract The electrochemical investigation of reactions on the lead electrode in 1 M aqueous hydrochloric acid was carried out by means cyclic voltammetry, rotating disk techniques, potentiostatic current-time transients. Attenuation focussed processes occurring at electrode/solution interface. Dissolution found to be less significant than surface formation PbC1 2 under quiescent conditions. Rotation leads dissolution passivating film. A distinction identified between nucleation and dissolution-precipitation mechanism passivation. Surface roughness tends complicate experimental results, but it does not nullify principal conclusions made concerning involved Some attention given possible a complex PbCl 3 − species.

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