| 摘要 |
A method is provided for reducing or eliminating the leaching of metal from a metal surface comprising copper when a liquid comes in contact with the surface. Such unwanted leaching is effectively controlled by coating the metal surface at least partially with a film comprising titanium and oxygen (e.g., titanium oxide). In preferred embodiments the coating of the metal surface is achieved by chemical vapor deposition, metal organic vapor deposition, or by a sol-gel technique. The method is particularly useful when the metal surface is a plumbing component or an assembly of plumbing components and the liquid is water intended for human consumption.
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