Sodium chloride is used in the production of soda ash, caustic soda, and other chemical raw materials. It is also used in ore smelting, food industry, and fisheries for salt pickling. It can be used as a raw material for seasoning and refined salt, as an electrolyte and acid-base balance regulator, as a salt precipitation agent, and as a diluent for tablets and capsules. It is also used as an analytical reagent and in the preparation of biological culture media.