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The role and harm of hydrochloric acid in industry

Time: 2011-12-09 16:54 Source: unknown Author: admin Click: Times
Hydrochloric acid is an important inorganic chemical raw material, widely used in dyes, medicine, food, printing and dyeing, leather, metallurgy and other industries. Hydrochloric acid can be used to make chlorides such as zinc chloride (zinc chloride is a welding flux). It can also be used to extract radium, vanadium, tungsten, manganese and other metals from ore to make chlorides. With the development of the organic synthesis industry, hydrochloric acid (including hydrogen chloride) has become more widely used.

Hydrochloric acid is an important inorganic chemical raw material, widely used in dyes, medicine, food, printing and dyeing, leather, metallurgy and other industries. Hydrochloric acid can be used to make chlorides such as zinc chloride (zinc chloride is a welding flux). It can also be used to extract radium, vanadium, tungsten, manganese and other metals from ore to make chlorides. With the development of the organic synthesis industry, hydrochloric acid (including hydrogen chloride) has become more widely used. For example, it is used to hydrolyze starch to make glucose, and is used to make hydrochloride of various organic agents such as quinine hydrochloride (for the treatment of malaria). In the flame reaction, platinum wire is usually washed with concentrated hydrochloric acid (because the boiling point of chloride is low, the volatilization is fast after combustion, and the effect on the experiment is small)
Health hazards: Exposure to steam or smoke can cause acute poisoning, ocular conjunctivitis, burning sensation in the nose and oral mucosa, epistaxis, bleeding gums, and bronchitis. Mistake can cause digestive tract burns, ulcers, and may cause gastric perforation and peritonitis. Eye and skin contact can cause burns. Chronic effects: Long-term exposure causes chronic rhinitis, chronic bronchitis, acid erosion, and skin damage.
Environmental hazards: It is harmful to the environment and can cause pollution to water bodies and soil.
Explosion hazard: This product is non-combustible, highly corrosive and irritating, and can cause burns to the human body.

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