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What Are The Hazards Of Selenium Powder To The Human Body?

wallpapers News 2020-12-09
Selenium powder, chemical formula Se, black-gray non-metallic, soluble in concentrated sulfuric acid and chloroform, slightly soluble in carbon disulfide, toxic, insoluble in water and ethanol.
 
Selenium powder is usually in powder or granular form, with pure appearance, consistent color, purity up to 99.99%, no impurities such as soil, stable composition, and uniform moisture.
 
Health hazards:
Selenium has strong irritation to the skin and mucous membranes. A large amount of inhalation can cause acute poisoning, such as nasal congestion, runny nose, sore throat, cough, eye irritation, headache, dizziness, nausea, vomiting and other symptoms. Inhalation of large amounts of selenium fumes can cause pneumonia or pulmonary edema.

 
Chronic poisoning:
Long-term exposure to a certain concentration of selenium may cause symptoms of upper respiratory tract irritation, exhaled breath with garlic smell, and sometimes gastrointestinal dysfunction and neurasthenia syndrome.
 
First aid method Skin contact:
Take off contaminated clothing and rinse with plenty of running water.
 
eye contact:
Lift the eyelids and rinse with running water or saline. Seek medical attention.
 
Inhalation:
Quickly leave the scene to a place with fresh air. Keep the airway open. If breathing is difficult, give oxygen. If breathing stops, give artificial respiration immediately. Seek medical attention.
 
Ingestion:
Drink enough warm water, induce vomiting, and seek medical attention.

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