Hydrochloric acid, popularly known as the spirit of salt, is a chemical compound formed from the elements hydrogen and chlorine. It exists in the gaseous state under normal pressure and at room temperature. Today, it is used in all areas from iron and steel industry to PVC, organic matter production and food industry. 
This compound is an inorganic acid used in different fields. The concentration of the acid differs according to the area of ​​use. It is used in many areas such as pickling of steel, production of inorganic substances, forming organic compounds, maintaining pH balance. It is used in industries such as petroleum, resin regeneration, paper, medicine, paint, chemistry, textile, metal chloride production.