Electrode for chromium plating
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United States of America Patent
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Jun 26, 2001
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N/A
app pub date -
Sep 28, 1999
filing date -
Sep 30, 1998
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Abstract
An electrode adapted for chromium plating from trivalent chromium baths which comprises a conductive base, an electrode material layer comprising iridium oxide formed thereon, and a porous layer formed on the surface of the electrode material layer. The porous can comprise an oxide containing at least one element selected from the group consisting of silicon, molybdenum, titanium, tantalum, zirconium, and tungsten. Use of this electrode for chromium plating reduces the oxidation of trivalent chromium into hexavalent chromium.
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