"The anodic oxidation of pure and dispersion hardened lead in 1 N H₂SO₄ was studied potentiostatically in the range - 0.28 to 2.0 volts (SHE). The anode surfaces were observed at various stages on a scanning electron microscope and x-ray diffraction techniques were used to determine the phases present. It was established that by oxidation up to 0.25 v only PbSO₄ is obtained. At potentials between 0.25 and 1.57 v, PbO (tetragonal) is formed beneath the lead sulfate layer. At potentials above 1.57 up to 2.0 v, a layer of ßPbO₂ forms in the outermost part of the anode underlying a layer of PbO (tetragonal) at the lower end of the potential scale and αPbO₂ at the upper. Little difference was noted between the behavior of pure lead and dispersion hardened lead"--Abstract, page i.
O'Keefe, T. J. (Thomas J.)
Johnson, James W., 1930-2002
James, William Joseph
Materials Science and Engineering
M.S. in Metallurgical Engineering
University of Missouri--Rolla
xi, 75 pages
© 1969 Rafael San Martin Aldazabal, All rights reserved.
Thesis - Open Access
Metals -- Anodic oxidation
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Aldazabal, Rafael San Martin, "Anodic oxidation of pure and D.S. (dispersion hardened) lead in sulfuric acid solutions" (1969). Masters Theses. 6767.