If you have read some of my other Instructables you know that a lot of them require oxygen either from the surrounding air or from an oxidizer. Potassium Nitrate is the most common and easily obtainable but, for those of you who, for whatever reason can't obtain it can make your own from hydrogen peroxide.
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Step 1: Gethering Materials
For materials you will need four things:
1. Hydrogen Peroxide (The Kind Diluted In Water)
2. A small glass or plastic cup.
3. Soluble salt (I used Morton's)
4. A small amount of your time.
Step 2: Distillation
The First and only step is to pour about one teaspoon of salt into you cup. Next pour three teaspoons of Hydrogen Peroxide on top of it. This mixture can be enlarged but remember to keep the solution at a ratio of 1:4. 1 being the salt and 4 being the Hydrogen Peroxide. After you have added all ingredients stir them together inside the cup. After all or most of the salt is dissolved let your solution sit until you see two layers in the liquid. These will be the salt water and the Hydrogen Peroxide separating. I am pretty sure the top one will be the Hydrogen Peroxide and the bottom one will be the salt water. Comment at the bottom to tell me what you find. I would also like to know what use you have found for it.
Have fun and enjoy!