May be infection: The feeling of swelling in the throat could represent swollen lymph nodes, which may be a sign of infection and could also cause slight neck pain. See a physician if your symptoms are persistent or if you develop additional symptoms such as fever. ...
Image Credit: Main Image: Saltpetre or Saltpeter is chemically known as Potassium nitrate. It is a white crystalline powder that is soluble in water and is not combustible but aids in combustion of materials which can lead to explosions under prolonged heat conditions leading to toxic fumes.otassium Nitrate has numerous uses, 1  Fertilizer: Commonly used as a fertilizer as it provides the plants with both vital nutrients, potassium and nitrogen. 2  Oxidizer: As it is a good oxidizing agent it is use din gunpowder and fireworks.
In the modern era, there are less smelly ways to get saltpeter, typically through an industrial process that uses ammonia as a base. While you cannot literally make gunpowder from urine, as you need several other ingredients to produce it, urine can certainly be used to produce one necessary element.In addition to saltpeter, however, you would also need charcoal and sulfur.These ingredients are both readily available, unlike saltpeter, so the popular stories about using urine to make gunpowder do have a rational basis.n the modern era, there are less smelly ways to get saltpeter, typically through an industrial process that uses ammonia as a base. While you cannot literally make gunpowder from urine, as you need several other ingredients to produce it, urine can certainly be used to produce one necessary element.