无码人妻久久一区二区三区免费,亚洲A∨成人一区影片在线观看,91麻豆国产自产精品,www.日本视频在线观看

Hydrochloric acid is important inorganic chemical raw material, and is widely used in many industries such as dyes, medicine, food, printing and dyeing, leather, metallurgy etc. Another major use of hydrochloric acid is in the production of chloride like zinc chloride (a kind of flux). It’s also used in the extraction of r adium, vanadium, tungsten, manganese and other metals from the ore to produce chloride. With the development of organic synthesis, the use of hydrochloric acid (including hydrogen chloride) has been expanded. For example, it can hydrolyze starch to produce glucose, and be used in the production of a variety of organic regent hydrochloride such as quinine hydrochloride (treatment to malarial illness).

Strong acidity and corrosive. During operation, protected with rubber or PVC gloves,protective eye goggles. Avoid contact with eyes and skin. In case of contact flush with water.

25kg net /plastic drum. Transport by glass steel tank truck. The caution of ‘’CORROSIVE” shall be marked on the surface of each package.