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 surface treatment can turn nickel black?
Questions:
The detailed surface treatment to turn nickel plated steel black.
The reaction mechanism of the process.
Methods:
(preferred) Anodizing, oxidizing : The only black nickel oxide is $\ce{...
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Is there any method to make sure a electroplated layer of iron oxidizes into magnetite (Fe3O4) instead of hematite (Fe2O3)?
I am currently electroplating iron on copper using a DIY setup in my lab. Steel sheet as anode with electrolyte having 5% acetic acid with sodium carbonate to form sodium acetate and added some NaCl ...
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Electrolytic Substrate modification to enhance corrosion resistant of reactive metal
So, I was working on a project lately. The project I was working on involves the utilization of inexpensive, non-toxic, and inert electrodes. Unfortunately, the only substrates I have access to are ...
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Is it possible to electrochemically remove the aluminum fouling a steel file?
I have a number of metal files that, to my regret, I have used on aluminum which gets stuck to the teeth. As suggested on several mechanics forums, I have tried soaking the files in concentrated ...
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Amount of PEG to add to copper plating solution?
I found a paper about making a copper plating solution and thought I'd give it a shot. Please keep in mind I have no formal education in chemistry. I have a few questions about the preparation of the ...
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Does electroplating with copper takes less time than electroplating with zinc?
is electroplating with copper quicker than electroplating with zinc -- assuming that in both scenerios the cathode is steel, the surface area, the current, the thickness are the same, and the ...
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Oxidize Zinc or Nickel in black nickel plating to get browns?
I have a black nickel plating solution that is comprised of the following:
Nickel (II) Sulfate (45-50% by weight)
Zinc Sulfate Heptahydrate (20-24%)
Ammonium Thiocyanate (20-23%)
Zinc Chloride (1-3%)
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Is it possible to electroplate iron onto nickel in a sodium chloride solution?
Over the years I have salvaged many laptop and power tool batteries and collected a lot of metal strips, but I don't know if they are made of nickel or nickel-plated steel.
I have a piece that I know ...
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Effect of phosphoric acid on chrome plating
Wondering whether phosphoric acid a suitable agent to clean chrome plated bathroom figments - a metal base shower head
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Proper method to electroplate aluminum?
I'm looking to plate some aluminum with silver using a basic solution.
My first attempt was to use sodium carbonate to make silver acetate. I sped up the process using hydrogen peroxide. I used the ...
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Copper plating surface color shifts from light to dark orange to black in less than 12 hours
We have been doing barrel-type copper plating on small parts, and all of a sudden there is an increase of copper plating discoloration after copper plating. The color shifts from bright orange (good) ...
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How to electroplate vias and THT holes on PCB with copper?
How can I electroplate copper into PCB's vias and THT holes?
I found several instructions, but they all use palladium (which is expensive), or calcium hypophosphite (which I can't get in my country), ...
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Gold Chloride as electroplating solution?
In some (maybe questionable) pedagogical texts at least, gold chloride solution is presented as an electrolyte in the electro deposition of gold.
In practice however, it seems that cyanide based ...
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Why is silver cyanide used for electroplating
(Partially answered by Safe silver electroplating solutions)
Why is silver cyanide used as an electrolyte in silver plating? (source) There are other (cheaper, less toxic) silver salts, such as silver ...
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Is this sulphur? [closed]
I was electroplating with a copper sulfate electrolyte, and now a yellow substance has settled at the bottom of the container, is it sulphur from the copper sulfate or something else from the screw I ...
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