Mott–Schottky Analysis of Historical and Archaeological Copper–based Objects
Antonio Doménech‐Carbó,
Marianne Mödlinger,
Laura Osete‐Cortina
et al.
Abstract:The application of Mott–Schottky (M−S) analysis of impedance data to sub–micro samples extracted from the corrosion patina of copper, bronze, and brass archaeological artifacts attached to graphite electrodes is described. The corresponding theoretical approach is developed to account for the contribution of the composition and structure of the corrosion patina and the effect of the bare graphite substrate. Experimental data in contact with 0.10 M Na2SO4 aqueous solution at pH 6.28 are consistent with the p‐ty… Show more
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