Use of barium chromate as a sulfate scavenger in chromium electroplating baths
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United States of America Patent
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May 4, 1993
Grant Date -
N/A
app pub date -
Jun 13, 1991
filing date -
Jun 13, 1991
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Abstract
A sulfate scavenger for chromium-plating baths consists of barium chromate or dichromate or mixtures of the two, added either directly to the bath or as part of a replenishment mixture with chromic acid.
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