Introduction: How to Make Blackpowder (a.k.a Gunpowder)
Black powder is the base of many pyrotechnic projects and is very versatile. This instructable will show you how to make it and where to find the materials.
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Step 1: Sourcing the Materials.
Potassium nitrate: Some stump removers contain it.
Sulfur: Can be found in chemists and garden centres (Look for flowers of sulfur)
Charcoal: Can be found in barbeques, supermarkets, the bottom of fires or you can make your own.
Or if you live in the UK you can go here http://www.oliverbrown.co.uk
Step 2: You Will Need
You will need:
75% potassium nitrate
(Must be measures by weight, not volume)
An old coffee grinder
Mortar and Pestle.
Step 3: Preparing the Ingredients.
1) Put your potassium nitrate (if it is not already finely ground) into the coffee grinder and grind it until it is a nice fine powder, then put it in the mixing container. Wash the grinder.
2) Repeat with the charcoal and sulfur.
3) Put all the ingredients through a fine sieve and any lumps, put in a mortar and pestle and grind them to they've turned to powder.
4) Mix with a spoon until it is all mixed in.
Step 4: Storing and Using.
Also you can you can make the mixture using 60% Potassium nitrate 30% Charcoal and 10% Sulfur for a slower burning rocket fuel!
Have fun and be careful!!!
This is a small video of a spoon of my mixture in a small container.
Check here to see how to make some quickmatch!