Finishing Publications &
Metal Finishing Information Services

Online Resources - Troubleshooting

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Copper Solutions (cyanide)


Typical cause

Analysis to confirm cause


Adhesion poor onto steel

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Brick-red dusty deposits

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Dull deposits

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Non-uniform or brass coloured deposits

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Rough, non uniform, pitted or dull deposits

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Skip plating in the low and/or blisters.

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“Spotting” out after drying and blisters in over-plated metals

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Thickness too low for the CD and time used

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