Letter 1298

Nickel Plating Solution Recipe Needed!

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Can anyone give me a recipe for a nickel plating solution that gives a smooth finish?

Rachel White
ANSTO - Australia


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Recipes are proprietary, complicated, and I don't know of anyone who would give this to you. You can buy or get samples from the major supply houses. It also depends on what you mean by "smooth", bright? leveled? reflective? A Watts nickel formulation will give you a smooth matte plate. 40-8-6 ounces per gallon of nickel sulfate, nickel chloride, boric acid, pH 4.0.

Tom Pullizzi
Platronica.com
Falls Township, PA

 


and posted as a new letter that crossed in the email, but added to this thread.
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There has to be an easier way to plate nickel!

Does anyone one know an easier/faster/smoother way to electroplate nickel onto copper than using a nickel sulfate plating solution?????

Rachel White
ANSTO - Australia


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The person that invents a way will be in the same good position as in finding a genie in a lamp. But the lamp was probably plated with sulfate nickel (how would you release the genie if you didn't have to polish once in a while?).


Tom Pullizzi
platronica.com
Falls Township, PA
 


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Any ideas on what current density would be required for the above mentioned plating solution?

Rachel White
ANSTO - Australia


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About 20-30 amperes per square foot, average.


Tom Pullizzi
platronica.com
Falls Township, PA
 


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This conversation bothers me, Ms. White, although perhaps I'm misreading it. The reason it concerns me is that from here it looks like you haven't consulted any plating books nor received hands-on guidance from experienced people, and are sort of winging it. If that is the case, the first step before trying to mix up a plating solution is to build a library. Please get your hands on some "must-have" books.

I hope I haven't read things wrong and offended you, but while a forum like this can be a useful tool for peers to exchange information, it really is not a good way to introduce people to the art and science of electroplating.

Tom, you know this topic far better than me, but I thought 40 ASF was the average for Watts Nickel.

 
Ted Mooney, P.E. - Finishing.com Inc. - Brick, NJ


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If you were trying to talk a new pilot safely down to the ground, and you knew that the plane can safely descend at 40 degrees from horizontal, what reading would you give to the pilot?


Tom Pullizzi
platronica.com
Falls Township, PA
 


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Thanks for the vague idea of a recipe; as for "winging it" I've managed to improve that recipe and it now gives the brightest and finest finish I've ever seen in nickel plating. As for building a library - there seems little point as most books are not specific enough with respect to recipes.

Also you might want to reassess your ideas on who uses this site; quite a number of the letters I've read on this site seem to be written from an inexperienced point of view - and I doubt any of these "peers" would mind sharing their girth of information amongst those who find that texts are sometimes inadequate.

Rachel White
ANSTO - Australia


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I am happy that you are plating better. Sorry you don't like the service.


Tom Pullizzi
platronica.com
Falls Township, PA
 


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Dear Ms. White:

I've been reading and responding to thousands of letters here for almost 9 years, so I do know what our audience is like. Sharing information is the very purpose of what we've been doing for all these years. But sometimes the information that I need to share is that people need to read books and receive hands-on training before they start experimenting, and apparently that particular piece of advice isn't always well received.

One problem is that electroplating involves the use of very hazardous chemicals. Some, like chromium plating solution and formaldelhyde addition agents for nickel plating, are known carcinogens. Others, like the cyanide required in many plating solutions, are among the most powerful and fastest-acting poisons known. There are numerous compounds which if added to acid or vice versa will release deadly and fast-acting poison gas. It is easy to release deadly quantities of chlorine gas with just a power supply and nickel salts. One drop of the caustic soda used in cleaning solutions can blind you.

It is imperative that people NEVER work alone in the plating industry because once they have been impaired by the accident, they may be powerless to help themselves. Does each writer have a Scot Airpak, and a buddy standing by, trained in its use?

Then there is the issue of disposal. What will be done with the waste products? Ecologically-oriented hobbiests quickly lose their idealism when they find that the going price to properly dispose of a small shelf of chemicals runs into 5 figures.

What of secondary containment? One beaker of chromic acid dropped onto the garage floor can poison the water supply for blocks around.

It is for these reasons that Tom and I (and Jim Watts) have said so many times that plating is a really lousy hobby. It is horrifying how many untrained people want to do electroplating in their garage. And this is one reason why, when people ask for recipes, I refer them to books and suggest that they attend AESF meetings--to increase the likelihood that they have been exposed to what the hazards are.

ps. to Tom:

I try to keep that new pilot on the ground until he has sufficient training, rather than trying to train him by radio.


Ted Mooney, P.E. - Finishing.com Inc. - Brick, NJ


12/14/98

I am looking for a organic or inorganic hardner tht can be used with nickel sulfamate other than sacchrin. We aree plating Ni/Co and want to increase the hardness.

Robert Runyon


-

Can Nickel or crome plating be removed from a cast iron skillet without damaging the skillet?

James Kirkland


.

I am interested in starting up a small anodizing business. What are your comments? Thanks, rb

R. Brown
Environmental Solutions - Lafayette, LA


.

I want to electroplate Nickel on Iron Aluminide, it should be quick and uniform. I would really appreciate any response.

M.B. Kannan
- Mumbai, India


+

Hi:

I am a retired Mech Eng. and want to gold plate, on the inside, a silver wine goblet. From what I have read on these pages it seems like I should surrender to someone who does this professionally. Seems to me I would have to clean the inside of the goblet with ??, then use an elctrolite ??? in the goblet as I hook up the battery to the gold coin and the goblet. The amperage/voltage must be important. If this involves costly, hazardous chemicals I could back off but I'd like to know what would be involved

Thank you so much,

Greg Eyolfson
- Rainier, WA, USA


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Gold can only be dissolved in cyanide or aqua regia, so they would be needed to dissolve your gold coin, so it certainly involves hazardous chemicals.

 
Ted Mooney, P.E.
finishing.com Inc. - Brick, NJ


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Electroplating is very hazardous and I hope that morons do not try to attempt it, as for the pilot I don't agree with Tom. The person should be given full training before trying to electroplate anything.

Mack Tonhg
- Sydney, N.S.W, Australia


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