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Saving energy by learning to operate a cleaning bath at ambient temperature is a project more easily sold to management when fuel prices are high. But it will be more useful to management if it's been implemented before the next crisis. And one doesn't need a major invention to make it happen!
A novel kind of three-layer zinciron-cbromium electroplated coating was tested and proven to possess good corrosion protective characteristic as well as acceptable decorative properties. A citric-chloride bath containing Fe(III)-complexes is suggested for electrodeposition of iron intermediate layer on the zinc deposit surface. Due to the low acidity (pH 5) and medium operating temperature (20–30°C),...
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