The country of Iraq covers the region known since ancient times as Mesopotamia, a Greek word meaning land between the rivers.. The fertile valley between the Tigris and Euphrates rivers supported some of the worldâs earliest civilizations.
In Saskatchewan there are two grades of sodium sulphate: the first is a salt cake grade, which is primarily used for wood digestion in the pulp and paper industry; the second is a detergent grade product that is used in detergents, glass, dyes, textiles, tanning, and in the chemical industry.
Quick Answer. Potassium nitrate is commonly known as saltpeter. It is an ionic salt made up of potassium and nitrate ions, with a chemical formula of KNO3. It is famous for being a key ingredient in black powder, which was used as firearm propellant until the 20th century.