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Making Potassium Chlorate and Perchlorate

Making Potassium Chlorate, KClO3 Potassium Chlorate Cell, making chlorate

  To begin making potassium (per)chlorate it is very, very important to first understand the risks and dangers of this very volatile, and in some cases explosive chemical: Safety.

Disclaimer: We are not liable for any injuries that occur as a result of using any of the information contained below. The following is only informational and should not be attempted at home as serious injury or death could result. You also agree that you have read and fully understand our full disclaimer at the bottom of the page and also have fully read and understand the Safety page.

Starting Materials: although you will need some simple tools to construct the chlorate cell the following is a list of the basic essentials.
  • Anode Material
  • Cathode Material
  • Potassium Chloride
  • Chemical resistant container with tight fitting lid
  • Power Source (preferably 3-5 volts with 2-3 amps)
Anode Material: The Anode is the rod connected to the positive (+) connection.
  • Graphite: If you choose to make a simple chlorate cell and don't mind some filtering the best and most affordable choice would be Graphite. Graphite is easy to find and very cheap, but as mentioned before you will need to filter the liquid from the chlorate cell after running it because the graphite erodes very slowly into the cell liquor making a suspension of very fine Graphite particles contaminating the cell. Large Graphite rods can easily be taken out of dry cell lantern batteries.
Graphite Rod For Chlorate Cell Graphite Rod Anode
  • Platinum: Platinum is the absolute best for producing chlorates and perchlorates because it never erodes (well technically it does but is so minimum that it is not at all significant). Since Platinum does not erode into the cell liquor there is no need for filtering the solution afterwards which saves some extra time. Platinum can be used in wire, foil, or rod form.
Platinum Wire For Chlorate Cell Typical Pt Wire Anode
  • Lead Dioxide: Lead dioxide is almost ideal for perchlorate production but does not work well in chlorate production. Lead Dioxide anodes are also very hard to come by and most people choose to make their own using Lead Dioxide taken from car batteries and mixing the powder with epoxy and rolling it into a small bar to form an anode.
Lead Dioxide Powder For Chlorate Cell Anode Lead Dioxide Powder

Cathode Material: The Cathode is the rod connected to the negative (-) connection. There are many suitable cathode materials to choose from including Stainless Steel (which works especially well), Titanium (which works especially well also), Brass, or Copper.

Stainless Steel Rods Stainless Steel Cathodes

Updates will be added soon

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