Sodium chloride, also known as halite salt, is one of nature′s most common minerals. It is a known electrolyte that maintains cellular integrity and homeostasis by controlling osmotic pressure and water balance. Sodium chloride is widely used in the food industry as food additive and preservative due to its antimicrobial property. It is added to laboratory buffers to increase their ionic strength. NaCl also finds application in the extraction of DNA. Sodium and Chloride are major electrolytes in biological functions.
