![]() It is used in dry cell batteries to prevent the formation of hydrogen, to remove the green color in glass that is caused by the presence of iron contaminants, and as a drying agent in black paints.Įstimated Crustal Abundance: 9. ![]() Manganese is a transition metal with a multifaceted array of industrial alloy uses, particularly in stainless steels. It is a hard, brittle, silvery metal, often found in minerals in combination with iron. Manganese atoms have 25 electrons and 25. Manganese is a chemical element with the symbol Mn and atomic number 25. Manganese dioxide (MnO 2), the most common compound of manganese, makes up about 0.14% of the Earth's crust. Manganese is the first element in the seventh column of the periodic table. Manganese is also used to give glass an amethyst color and is responsible for the color of amethyst gemstones. Railroad tracks, for example, are made with steel that contains as much as 1.2% manganese. Founded in 2005, Element Markets is a leading renewable natural gas marketing and environmental commodities company that applies its diverse expertise to provide structured environmental compliance and optimization services to corporate and institutional clients. Manganese is added to molten steel to remove oxygen and sulfur and is alloyed with steel to make it easier to form and work with and to increase steel's strength and resistance to impact. Nearly 90% of all of the manganese produced each year is used in the production of steel. ![]() Today, most manganese is still obtained from pyrolusite, although it is usually burned in a furnace with powdered aluminum or is treated with sulfuric acid (H 2SO 4) to form manganese sulfate (MnSO 4), which is then electrolyzed. Proposed to be an element by Carl Wilhelm Scheele in 1774, manganese was discovered by Johan Gottlieb Gahn, a Swedish chemist, by heating the mineral pyrolusite (MnO 2) in the presence of charcoal later that year.
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