Process for purification of nickel plating baths
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United States of America Patent
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Sep 17, 1991
Grant Date -
N/A
app pub date -
Dec 22, 1989
filing date -
Dec 22, 1989
priority date (Note) -
Expired
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Abstract
An improved process for purifying a nickel plating bath including a pyridine composition as an additive and which bath contains a breakdown product of the pyridine composition. The process has the following steps: a. adjusting the pH of the nickel plating bath to a pH of equal to or greater than 5.0; b. adding an effective amount of an oxidizing agent; and c. removing the breakdown product from the nickel plating bath.
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