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将Cu~(2+)加到含有硫酸根、甲酸根和醋酸根离子的CrO_3溶液中去,能获得黑色锆酸钝化膜.它的抗蚀性能略有提高.而抗蚀性能跟钝化溶液的成分有关.
The addition of Cu 2+ to the CrO 3 solution containing sulfate, formate and acetate ions gave a black zirconium passivation film with a slightly improved corrosion resistance, while the corrosion resistance followed passivation The composition of the solution.