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Questions tagged [electroplating]

Electroplating is the process of plating one metal onto another by hydrolysis, most commonly for decorative purposes or to prevent corrosion of a metal. There are also specific types of electroplating such as copper plating, silver plating, and chromium plating.

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What material is my pot and what is coating it please?

I have a large beaten metal pot I inherited from my parents. It was kept outside and entirely tarnished black, except for places in the inside which had a gold appearance (it's obviously not a gold ...
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Electrolytic cell to remove soft solder from silver?

Hi my chemistry is pretty dire but have vague idea that an electrochemical cell could be used to remove soft solder (lead/tin probably) from a piece of sterling silver in need of a repair. The ...
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Electroplating an alloy from separate metal solutions

Similarly to a question asked here, would mixing two solutions containing metallic ions in different proportions allow to electroplate something with the alloy of the metals? For example if I take a $\...
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Couldn't make nickel acetate solution using the same process as copper acetate

I'm trying to electroplate nickel on a copper-plated piece of stainless steel. To electroplate the piece with copper, I put two copper electrodes in a vinegar (5% acetic acid) and NaCl solution (~1 g/...
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Hull cell test result

I took Hull Cell test with Watts Bath recently and as you see in the picture there is some problems with the coating layer. Test conditions was: Temperature: 55°C PH: 4.5 Current density: 4.5 a/dm2 ...
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1answer
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Electroplating diamond grit

I want to do electroplating with diamond grit and make profiling, grinding and cutting disks. (see the attached photos) I want to know the process to make the machine or the company whom is selling ...
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black area on tin chrome- nickel plated brass

we have a problem with our nickel - chrome plated brass parts. the plated surface turn to black after a while. I have to add: our nickle layer in about 3 microns and the chrome layer in less the one ...
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Why does silver plating require undercoats of copper and nickel?

I came across a question that was about silver plating (of steel), but I couldn't help but wonder why the sequence was illustrated as this: step 1 A coating of copper is applied to the object. step ...
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171 views

Electroplating copper yields rough surface?

I am attempting to electro-plate vias in a home brew printed circuit board. The medium I am attempting to electroplate is fiberglass bound together with epoxy. This is an intentional insulator. I ...
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Is there a way to “electroplate” wood with copper?

Maybe wood can be coated with copper (II) sulphate first, or roasted in order to form a conductive charcoal (carbon) layer.
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1answer
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Copper plating, is sulphuric acid necessary? Alternative to H2SO4?

Many links and tutorials on copper plating use a solution that contains copper sulphate / sulphuric acid and hydrocloric acid. In Sweden, Sulphuric acid is almost impossible to get a hold off. You ...
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How is this Steampunk patina being applied?

Can anyone explain what is being deposited in this video @ 11:40? It's Steampunk patina technique to make things look old and decrepit. "The mixture consists of: 50 g of 30% vinegar, 20 g of salt ...
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Why can higher voltages lead to less efficient electroplating?

I was reading up on electroplating and I came across some things which really confused me: Faraday's First Law says that the amount of metal plated onto the cathode is proportionate to the current, ...
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Does copper react with HCl when current is present?

Copper does not react with hydrochloric acid, according to many sources. However, I found an experiment posted in a video, which I will try to repeat, that shows a copper pipe dissolving into HCl and ...
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Does electroplating fall off if I disconnect electrolytic cell?

So I understand the basic mechanism of electroplating. I want to ask is there any chance that the electroplating may fall off if I disconnect the electricity supply? As a consequence, should I ...
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Electroplating an iPhone

I thought it would be cool to electroplate the rear case of an iPhone 6 or newer since it's made out of aluminum. It's been a long time since I learned about the topic, so I looked online to research ...
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How to find amps flowing through a CuSO4 solution in electroplating

For a project I am electroplating copper onto a quarter. Both electrodes will sit in a $\ce{CuSO4}$ solution. In summary, when the power is turned on the copper at the anode oxidizes from Cu to $\ce{...
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electroplating with different electrode and electrolyte [closed]

I wanted to make a school project on galvanic cells and I would like to know of I can make electroplating with electrolyte of $\ce{NaCl}$ to plate let's say a spoon with the sodium from the salt but ...
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Why do we do electrolysis and electroplating using warm electrolyte?

This is a pretty basic question, and I know it has something to do with conductivity, but I'm not quite sure how they are related.
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electroplating process [closed]

I'am not familier with chemisty,& trying electroplating on brass, by using C4 H6 CUO4.H2O.But the result is unsatisfied,am I using right chemical or I have to choose another one.I yes,anyone may ...
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1answer
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Nickel plating with nickel acetate, nickel chloride, sulfur, saccharin and coumarin

I am a hobbyist trying to learn/apply a nickel electroplating process that I can safely do at my shop. My substrate is a machinable non-stainless steel with unknown carbon content, and I'm looking to ...
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1answer
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Copper layer doesn't stick after Copper electroplating

I am playing around with copper plating using Copper Sulfate solution with electricity. I am using 2-2.5 volts as power source and around 100-500 mA. It is actually a very small container around 100 ...
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What is the difference between copper sulfate and copper sulfate pentahydrate? [closed]

I want to do copper plating and I have seen people using copper sulfate, but also there is copper sulfate pentahydrate. What is the difference and which one should I use for electroplating?
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Silver electroplating

In most of silver electroplating (or electrorefining) methods, it is mentioned that silver anode is oxidized in aqueous solution of silver nitrate, and that silver is deposited at the cathode (...
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What is the Gibbs Free Energy in Zinc Electroplating?

In zinc electroplating process, where zinc metal (anode) is deposited on an iron plate (cathode), there is no net equation. Then why do we need to apply voltage to the system to produce zinc metal on ...
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1answer
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Choose electrolyte for electroplating

I am planning to try electroplating a steel ring with copper, than nickel, and than finally gold. It seems to me that this would be as simple as using a bath of HCl for electrolytes and attaching the ...
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Electroplating copper onto steel

I'm rather unfamiliar with chemistry but I want to electroplate steel with copper. From Wikipedia: The cations associate with the anions in the solution. These cations are reduced at the cathode ...
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Could alloys be electroplated onto a substrate?

For example, if I want to electroplate stainless steel onto copper, could that work? I understand that different ions would need different voltages, but would those lower voltage ions merely make the ...
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Dissimilar metals and thin layers

I have a question about dissimilar metals/galvanic corrosion. I am designing a printed circuit board (PCB), which should be mounted on bare aluminium. For cost reasons, the aluminium part cannot be ...
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1answer
290 views

Partial Coverage During Zinc Plating Bath

I am experiencing partial coverage of a part during a DIY home zinc plating operation and was hoping someone here may be able to identify the cause of this. I am using a solution of household vinegar ...
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What are the advantages of eutectic solvents over aqueous solutions for electroplating?

I'm trying to electrically strip lead contamination from aluminum. This answer suggests using a deep eutectic solvent (DES) as the conducting liquid for plating the lead onto a copper cathode. But ...
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2answers
847 views

Side products during the electrolysis of Copper Sulfate?

Using good quality reagents, during the electrolysis of $\ce{CuSO4}$ (at $\mathrm{15V ~ \& ~ 2A}$), I have noticed a significant amount of Hydrogen generated at the negative electrode in addition ...
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How to plate zinc evenly on a threaded bar

I need to set a number of threaded bars into cement, to hold a new gatepost. When I cut the bar into shorter pieces, the metal near the cut became red hot, presumably hot enough to evaporate some or ...