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.
Salt peter is also used as a fertilizer and as a stump remover, as it accelerates the decomposition process of tree stumps. Salt peter can be found in many everyday products as well. It is used to preserve some foods, most commonly meats, although there are concerns about its health effects.