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Electrodes for potassium chloride electrolysis?

I am conducting an electrolysis experiment (fist time) that involves making potassium chlorate from potassium chloride in a concentrated 2-liter solution. I need a few pointers:

-What kind of electrodes can I use? Will two large pieces of stainless steel work? I have a tight budget and keep costs to a minimum.

-How much voltage/amperage should I use for a 2-liter solution? My car battery re-charger is capable of producing 12 volts and has a setting that allows either 2 or 10 amps.

-Is there any precautions or concerns that I need to know before conducting this experiment?

Thanks for the help!

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You should not use stainless steel as an electrode for when conducting this electrolysis experiment. Instead, you should use carbon electrodes. Learn more about the experiment at http://www.gcsescience.com/ex6.htm.

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Thanks for the answer! Do you know of any store that sells carbon electrodes? Also, I have no intent on separating the salt into it's original elements--especially not chlorine gas, but I want to make sodium chlorate by adding oxygen atoms to the chlorine. It's widely known that electrolysis can produce potassium chlorate crystals, but I do not exactly know the chemistry behind it. Are oxygen molecules taken from the water?
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