Arthur S. Kushner

Arthur S. Kushner Consultant

DULL ZINC DEPOSIT

Do you have any suggestions on how we can improve the appearance of our zinc plate?

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WOOD’S NICKEL STRIKE

What happens when “tramp” metals such as copper, lead and chromium build up in a Wood’s nickel strike bath? Can this be a cause of roughness in the subsequent plating step?

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Peeling and Barrel Nickel Plating

What causes peeling of nickel layers in barrel plating?

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Hard Chrome Plating and Etching

Can you give me some guidelines for etching prior to hard chromium plating?

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Let's Save Some Money

Where can I find less expensive brighteners/additives for use in the plating bath? And are they patented?

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Carbonates (Again)

What causes the buildup of carbonates in an alkaline non-cyanide zinc plating bath? How do we prevent this from happening?

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BASE METAL INTO GOLD

Can you recommend any alternates that are cheaper and have good corrosion resistance?

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WHAT IS THAT METAL?

We have to strip deposits from steel-based substrates and are having trouble determining the metal that we are supposed to be stripping away.

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COBALT SULFAMATE PLATING

Can you give some information about a cobalt sulfamate plating bath?

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IONIC LIQUIDS

I have heard about ionic liquids being used as a plating medium but I have found very little being written on the subject. Can you explain what they are and how the system works?

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THIN GOLD

Both types of gold suffer the same discoloration. Do you have any suggestions for how to solve this problem?

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Gas Pockets

Is there something else we might do to prevent the formation of air pockets in this plating bath?

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