| http://www.w3.org/ns/prov#value | - The salt doping of the oxidizable metal-coated substrate advantageously may be carried out by passage of the oxidizable metal-coated substrate through a reaction zone in which the oxidizable metal coating is exposed to halogen gas, such as chlorine, to form a metal salt on the oxidizable metal surface, or by contacting of the oxidizable metal-coated substrate with a solution of a salt, e.g., metal
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