All these explosives are made from nitric acid and this used to be made from nitrates such as potassium nitrate or saltpeter.
Then add a few crystals of potassium nitrate and heat again.
By experiment it was found that a certain volume of water was saturated at 100° with 114 g. of potassium nitrate.
Amide Powder: ammonium nitrate, potassium nitrate, charcoal.
Vitriol is copper or iron sulfate, saltpeter is potassium nitrate, and alum is an aluminum sulfate salt.
In the United States powder for blasting contains sodium nitrate instead of potassium nitrate.
potassium nitrate, 75 parts; charcoal, 15 parts; sulphur, 10 parts.
Gelatine Dynamite: a mixture of blasting gelatine with potassium nitrate and wood-meal.
The potassium nitrate takes fire more readily than the barium nitrate, but it is more expensive than the latter.
Add a few crystals of potassium nitrate and when cool dilute with water.
|potassium nitrate |
A transparent, white, crystalline compound and strong oxidizing agent. It is used in gunpowder and fireworks, in making glass, and in fertilizer. Also called saltpeter. Chemical formula: KNO3. See also niter.