Fig. 2From: Further advances in lead carboxylate coatings: coating unprimed heritage leadImpedance (a) and phase (b) plots of Pb(C14)2 (squares) and Pb(C18)2 (triangles) coatings on polished (black) and corroded (red) lead substrates. Bare lead (open circles) and corroded lead (blue circles) are also shownBack to article page