The easiest and cleanest way to make saltpeter, chemically known as potassium nitrate, is to mix ammonium nitrate, a common but hazardous fertilizer with potassium chloride, a sodium-free table salt substitute, in water ... More » Sports & Active Lifestyle Outdoor Adventure

Saltpeter, or potassium nitrate, is used as a food preservative and additive. It is also used for fertilizer and is a large component of gunpowder. It is also used as an oxidizing agent for rockets and fireworks. More »

Make gunpowder by combining saltpeter, sulfur and charcoal. This method produces a gunpowder that burns slowly and evenly and is appropriate for use in firecrackers or other pyrotechnics. Making explosive gunpowder requi... More » Sports & Active Lifestyle Outdoor Adventure

To make potassium nitrate, dissolve 40 grams of ammonium nitrate in 100 milliliters of water, add 37 grams of potassium chloride and gently heat the solution. Pour the solution through a coffee filter, and then freeze it... More » Science Chemistry Solutions & Mixtures

Exploding rifle targets are made from a mixture of ammonium nitrate and aluminum powder. The concentration rate is about 95 percent ammonium nitrate and 5 percent aluminum powder. More » Sports & Active Lifestyle Outdoor Adventure

Making homemade Tannerite requires ammonium nitrate, aluminum powder, blenders, an open space with no open flames and several large containers. As of 2015, it may be difficult to find ammonium nitrate in bulk; some choos... More » Sports & Active Lifestyle Outdoor Adventure

When ammonium nitrate and water mix, an endothermic reaction occurs. An endothermic reaction is a chemical reaction in which energy is absorbed, heat is lost, and the temperature of the chemical products is reduced. More » Science Chemistry Atoms & Molecules