Arthur S. Kushner

Arthur S. Kushner Consultant

Electroplating

Hull Cell Testing

Can you give me information about the use of the Hull cells and interpretation Hull cell panels?

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automotive

Non-Electrolytically Applied Zinc Coat

Q. I recently received General Motors specification GMW3359 for non-electrolytically applied zinc-rich coating. Can you give me more information about this process?

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Electroplating

Nickel Plating Problem

We have a problem with our acid nickel bath. What was once a bright nickel color is now a gray color, although it still looks bright. When we set the rectifier to the correct amperage for the load, the parts appear to burn. Also, we can only leave the parts in for about 1 to 3 min or they will start to turn black and smoky-looking. Any suggestions as to what the problem might be?

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masking

Q&A: Purple on Platinum-Plated Anodes

Is there any way to remove a purple compound off our platinum-plated titanium anodes so they can be reused?

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Electroplating

Copper Plating Basics

Can you supply me with a few references for information about cyanide and non-cyanide copper plating baths?

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Electroplating

Purple on Platinum-Plated Anodes

Is there any way to remove a purple compound off our platinum-plated titanium anodes so they can be reused?

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Electroplating

Tin/Zinc Electroplating

What can you tell me about tin/zinc plating, and what kind of current density is necessary to get a consistent deposit on surfaces?

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Electroplating

White Patches

What is a good remedy for white patches in an alkaline non-cyanide zinc plating bath?

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Electroplating

Plating Bath Additives

Where can I learn more about additives to plating baths? I want to formulate some of my own and avoid the high prices charged by plating chemical vendors.

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Electrocoating

Electrophoresis Process

What is the electrophoresis process?

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Electroplating

Cost of Plating

We have been barrel plating flat parts, but the parts do not meet the customer’s corrosion requirements, and we now have to resort to rack plating. Can you provide a brief explanation for the significant difference in cost?

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Electroplating

Immersion Vs. Autocatalytic Gold Plating

What is the difference between immersion and electroless (autocatalytic) gold? Are the two processes interchangeable?

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