Natriumklorid, commonly known as sodium chloride or table salt, is a chemical compound made up of sodium and chlorine. It is essential for various biological functions in living organisms, including maintaining fluid balance and transmitting nerve impulses. In its natural form, it is found in seawater and mineral deposits. In addition to its biological importance, natriumklorid is widely used in food preservation and seasoning. It acts as a preservative by inhibiting the growth of bacteria and molds. Furthermore, it is utilized in various industrial processes, such as the production of chlorine and sodium hydroxide.