| http://www.w3.org/ns/prov#value | - Additionally, if the composition of the invention has a pH in the neutral range (e.g., pH 5-9), a complexing agent such as the salts of citric acid or gluconic acid may be needed to maintain the metal ions in a soluble state in the platingsolution.In general, the chromium-free antitarnish adhesion promoting treatment composition of the invention may be implemented by known processes for applying a
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