Alligator clips ace hardware4/10/2024 ![]() Hydrogen and possibly chlorine depending upon your anode's composition. Plug in the battery charger and observe the cathode, you should see it start to gently "fizz". ![]() Confirm the cathode and anode are submerged in the solution. Attach the anode' s alligator clip to the positive battery charger post clamp. Attach the cathode's alligator clip to the negative battery charger post clamp. Set up you battery charger to the battery but do not plug it in yet. Additionally, I used a fish tank bubbler to agitate the water to keep the sodium carbonate in solution, because I' m meticulous that way, says my wife.Īttach the alligator clips to the coat hangers supporting the cathode and the anode (see diagram). Add the sodium carbonate and stir, I used half a cup for five gallons and it may have been overkill. Pour room temperature water into the container and be sure the cathode is completely covered. Once you have your cathode and anode suspended in your plastic container, be sure they won't come into contact with each other. Now you know what the cathode and anode are. Rig up another bit of coat hanger wire to support a piece of scrap steel, or anode, that you will be sacrificing for the other piece. Set up your wood "bridge" to go over the plastic container with the coat hanger wire acting as a hook to support the piece you want to de-rust, or cathode. The reason you use plastic tubs and wood in this experiment is for safety and to insulate your anode and cathode and of course because you want good results.
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