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ted_yosem
Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
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  -----

How can I gold plate my copper lures for fishing





I have read the electroplating-how it works article and would really love to know how I can gold plate my copper fishing lures that have lost their lustre. I have plenty of spare gold jewellery that I can sacrifice. I knew the process was relatively simple but was unsure about how much electricity or what size battery to use. I had originally intended to use a 6 volt power pack. However I did not know what I had to put in the water in order for the plating to work. I have been given a half a dozen of very old copper lures and did not want to see them meet their end so I thought I might try and replate them myself and earn the respect of my young son as well as the envy of my fishing buddies when I pull out my gold plated lures. Can you please tell me what I can use in the solution in order for it to work. I am a 36year old bored Hubby and Dad with a basic grade ten education so please don't get too technical for me.

Thank you,

Karl Stuart Diehm
hobby fisherman - Melbourne,Victoria, Australia
2006



simultaneous replies

If you are not careful you could easily become a dead huuby and dad! Gold plating is not easy - it uses cyanide that not only kills people it also kills your fish. You have to be extremely careful when using cyanide and you must know exactly what you are doing. I would strongly recommend you look in the telephone directory for a plating shop that does gold, ring them up and offer them some of your jewellery as the source of your gold. They will have the technology and knowledge to do this safely. The gold source is the most expensive part of gold plating, so the costs to you could well be very low; at least it will be much cheaper than the bill you would receive if you polluted your water supply and killed your beloved fish!

trevor crichton
Trevor Crichton
R&D practical scientist
Chesham, Bucks, UK



Traditionally, gold is plated from a cyanide solution. There are other makeups available, but they tend to be pickey for the rank amateur.
Cost to have the material gold plated will be less than the setup would cost. True, the anode is gold, but the solution is made up from gold salts. The tanks have to be routinely analyzed which is another cost. The killer cost is the disposal of the haz wastes that you will generate.
The voltage needs to be critically controlled as well as the amperage. A battery simply will not work for quality work.
Search for an affordable plater to send it off to.

James Watts
- Navarre, Florida



Greetings.
You might find this advice a little irritating, but believe me: you should not try to do this job yourself. Chemicals involved are hazardous (I won't dare to mention them). Sorry, this is not something you can do in your garage. Take your stuff with a professional. Right Ted? Good fishing!

Manuel Sández
University of Sonora - Hermosillo, Sonora, Mex



If you really want to that, you can use next solution-1 gm gold chloride(you can dissolve it in mixture of 3 parts hydrochloracid and 1 part nitric acid)70 gm sodium phosphate and 2,5 gm sodium sulphite/1 lit water.Use stainless steel anodes and up to 6 V current.Hope it helps and good luck!

Goran Budija
- Cerovski vrh Croatia



Karl,
Gold plating is something a lot of people think would be cool and exciting to do, and I agree that it is. When you said you had gold jewelry items to sacrifice, did you plan to sell them or use them as an anode? I would NOT use them as anodes for your gold metal supply in the solution. If you want the job done right there should be a nickel plate between the copper and the gold to prevent the copper migrating into the surface of the gold plate. There are also cleaning and activation steps that have to be followed. By the time you buy all the chemicals and equipment you need to complete this project it would be less expensive to sell the jewelry you have, use that money to have the lures plated by a plating jobshop in your area.
Now that I have put the pin in your balloon, I should at least answer your questions. A six volt battery would be sufficient for a power supply as long as you are flash coating in gold (about 5 microinches thick). As far as chemical make-ups go, there are one quart gold solutions available "ready to use" in various colors and gold concentrations. Keep in mind that these chemicals are not advisable to keep in your home. The gold is normally a cyanide based chemical. You have to worry about storage, handling and disposal. Good luck to you and please be careful!

Mark Baker
Process Engineer - Syracuse, New York



First of two simultaneous responses -- 2006

Thanks Guys,
Considering the number of alternative ingredients and the serious risk. I think I'll let the wisdom of age take place and turn down this little challenge. I was really looking forward to suceeding at this, but I think I'll take the advice of those that are wiser than myself and go get the professionals to do it. Now the only question is, do I still gold plate or just get it gold coloured.

Merry Christmas everyone and have a safe New Year.

From a loving hubby and Dad

Karl Stuart Diehm
- Melbourne, Victoria, Australia



Second of two simultaneous responses --

Dissolve gold in acid mix-not gold chloride.Good luck!

Goran Budija
- Cerovski vrh Croatia
2006



Karl,
It is refreshing to know "some" people follow sound advice. I would have the lures plated with a hard acid bright gold plated over bright nickel (for reflective purposes). If you want the gold finish to last, insist the gold plating thickness be a minimum of 50 microinches. Good luck and have a Merry Christmas and a healthy and safe New Year!

Mark Baker
Process Engineer - Syracuse, New York
2006



Karl

Brush plating offers a very easy and very safe method using non-cyanide solutions, of gold plating your fishing lures in a non invasive atmosphere where your son can also be involved in the magic. But please remember that all chemicals can be dangerous so need to be handled and used per the Material Safety Data Sheet (MSDS) and the manufacturers instructions.

Ian L Mackenzie
- Blue Mountains, NSW, Australia
2007




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