This is the first lesson 
Materials:
• Some Potassium nitrate. (KNO3) Also called saltpeter. You can buy it from http://www.pyrotek.org .
• Some sulfur. You can also get this from Pyrotek.
• Some charcoal dust. Just the stuff you get from burning wood is fine.
• Alcohol.
Equipment:
• Glass beaker, mixing implement.
• Heat source. A hot plate works best.
• A baking pan.
• A glass bowl and wooden grinding spoon.
Procedure:
1. Fill the beaker about half way with alcohol. Heat it until it is warm.
2. Dump 75% KNO3 into the beaker, followed by 10% sulfur, and 15% charcoal.
3. Continue heating the mixture and stir it until it is a uniform black or dark gray. DO NOT BOIL THE MIXTURE. I think you know why.
4. Once it is mixed, dump it all out onto a baking pan or something of a similar nature and let the alcohol evaporate. This is best done by leaving it in the sunlight. It is best to spread the mixture out as thin as possible. The thinner you spread it the easier it will be to grind, and the faster it will dry.
5. Grind the resulting dried black stuff into powder. Don’t use metal tools, or it may ignite. If you spread it thin enough (almost paper thin), you can just pick it up and crush it in your hands.
Black powder burns quickly and produces a fair amount of smoke. If you ignite it in a confined container, it explodes. Otherwise it burns with a hot flame. It is best stored in an airtight container, as it tends to absorb moisture from the air.
Ignition Temperature: 400 °
Burn Temperature: ?
Unknown. (High.)
Burn Speed: ?
Unknown. Varies with grain size.
Black Powder
Classification: Low
To be continued...........
TRY it and enjoy.......
Materials:
• Some Potassium nitrate. (KNO3) Also called saltpeter. You can buy it from http://www.pyrotek.org .
• Some sulfur. You can also get this from Pyrotek.
• Some charcoal dust. Just the stuff you get from burning wood is fine.
• Alcohol.
Equipment:
• Glass beaker, mixing implement.
• Heat source. A hot plate works best.
• A baking pan.
• A glass bowl and wooden grinding spoon.
Procedure:
1. Fill the beaker about half way with alcohol. Heat it until it is warm.
2. Dump 75% KNO3 into the beaker, followed by 10% sulfur, and 15% charcoal.
3. Continue heating the mixture and stir it until it is a uniform black or dark gray. DO NOT BOIL THE MIXTURE. I think you know why.
4. Once it is mixed, dump it all out onto a baking pan or something of a similar nature and let the alcohol evaporate. This is best done by leaving it in the sunlight. It is best to spread the mixture out as thin as possible. The thinner you spread it the easier it will be to grind, and the faster it will dry.
5. Grind the resulting dried black stuff into powder. Don’t use metal tools, or it may ignite. If you spread it thin enough (almost paper thin), you can just pick it up and crush it in your hands.
Black powder burns quickly and produces a fair amount of smoke. If you ignite it in a confined container, it explodes. Otherwise it burns with a hot flame. It is best stored in an airtight container, as it tends to absorb moisture from the air.
Ignition Temperature: 400 °
Burn Temperature: ?
Unknown. (High.)
Burn Speed: ?
Unknown. Varies with grain size.
Black Powder
Classification: Low
To be continued...........
TRY it and enjoy.......
Appaa, gini gaththa ela ta.Lab 1e di pareekshana karanna gihin Pupurala thiyenawa.HCl, KNO3, etc. ewwa bhayaanakaiiiii.........
Podda miss unoth, Sorry dot com... Kattiyata warn karanna thread ekeedi pareekshana kiyala denna kalin! 
