Sodium chloride

Application:
Sodium chloride are widely used in Industry, food, medical, agriculture field
1. When electrolyzing sodium chloride aqueous solution, hydrogen gas and chlorine gas are generated. Chlorine gas has a wide range of applications in the chemical industry and can be used to synthesize polyvinyl chloride, insecticides, hydrochloric acid, etc.
2. When preparing metallic sodium by electrolysis, a mixture of molten sodium chloride and calcium chloride is used to produce metallic sodium. Calcium chloride can be used as a flux to lower the melting point of sodium chloride to below 700 ℃. Calcium has lower reducibility than sodium and does not introduce impurities.
3. Sodium chloride is essential for many biological reactions, such as various solution formulations in molecular biology experiments containing sodium chloride, and most bacterial culture media containing sodium chloride. It is also a raw material for the production of pure alkali by ammonia alkali method.
4. Inorganic and organic industries are used as raw materials for manufacturing caustic soda, chlorates, hypochlorites, bleaching powders, refrigerants for refrigeration systems, raw materials for organic synthesis, and salt precipitation agents. Used as a heat treatment agent in the steel industry. A salt bath composed of potassium chloride, barium chloride, etc. in a high-temperature heat source can be used as a heating medium to maintain the temperature between 820 and 960 ℃. In addition, it is also used in industries such as glass, dyes, metallurgy, etc.
5. Analytical reagents are used as trace analysis reagents for fluoride and silicates.
6. Hou’s method for producing soda ash: Step 2: Mix the ammonium bicarbonate solution obtained in the first step with a sodium chloride solution to obtain sodium bicarbonate and ammonium chloride at 10 ℃.