The harm of liquid ammonia I believe that most people in the refrigeration industry or chemical industry know that today Xiaobian to take everyone to analyze a lot of people are concerned about a problem: liquid ammonia can use light chemical protective clothing?
Liquid ammonia, also known as anhydrous ammonia, is a colorless liquid with a strong pungent odor. Easily soluble in water, general liquid ammonia can be used as refrigerant, contact with liquid ammonia can cause severe frostbite. Ammonia is an important chemical raw material. It is mainly used for the production of fertilizers such as nitric acid and urea. It can also be used as a raw material for medicines and pesticides. Liquid ammonia can also be used as a propellant for rockets and missiles.
Liquid ammonia is corrosive and volatile, so the incidence of chemical accidents is quite high. Mild inhalation of ammonia poisoning can be manifested as rhinitis, pharyngitis, bronchitis, etc., the patient has pharynx burning pain, cough, sputum or hemoptysis, chest tightness and post-sternal pain. Acute ammonia poisoning can be manifested as respiratory mucosa irritation and burns. Severe laryngeal edema and respiratory mucosa loss can occur.
Low concentrations of ammonia can rapidly stimulate eyes and damp skin. Humid skin or eye contact with high concentrations of ammonia can cause severe chemical burns.
Skin contact can cause severe pain and burns, and coffee-like coloration can occur. Corroded sites are colloidal and soft, and deep tissue destruction can occur.
The above is an introduction to the performance of liquid ammonia and the hazards to the human body. Relative to the respiratory system, it must be equipped with positive pressure air respirator and Other respiratory protective equipment when working in liquid ammonia. For the corrosive performance of the skin, it is recommended to wear chemical protective clothing, preferably a heavy-duty fully enclosed chemical protective clothing , because light and semi-closed to avoid being exposed when the face, the protective effect is not so good, in order to avoid liquid ammonia or ammonia erosion bare Outer skin, so still try to choose heavy fully enclosed chemical protective clothing.
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