Ethanol has a wide range of uses: Keywords solvent; organic synthesis; crystallization of various compounds; detergent; extractant. Food grade alcohol can be blended with liquor; used as adhesive; nitro spray paint; solvent for varnish, cosmetics, ink, paint remover and other raw materials for pesticide, medicine, rubber, plastic, artificial fiber, detergent, etc.; it can also be used as antifreeze, fuel, disinfectant, etc.
1. 95% alcohol is used to wipe UV lamps. The alcohol is commonly used in hospitals, but only used for camera lens cleaning in the home.
2. 70% - 75% alcohol is used for disinfection. This is because excessive concentration of alcohol will form a protective film on the surface of bacteria, preventing it from entering the body of bacteria, and it is difficult to completely kill the bacteria. If the alcohol concentration is too low, it can enter the bacteria, but it can not coagulate the protein in the body, and can not completely kill the bacteria. Among them, 75% alcohol has the best disinfection effect.
3. 40% - 50% alcohol can prevent bedsore. The back, waist and buttocks of long-term bedridden patients can cause bedsore due to long-term pressure. For example, a little 40% - 50% alcohol can be poured into the hands during massage, and the pressure parts of patients can be evenly massaged, so as to promote local blood circulation and prevent the formation of bedsore.
4. 25% - 50% alcohol can be used for physical antipyretic. High fever patients can be used to wipe the body, to achieve the purpose of cooling. Because wiping the skin with alcohol can dilate the blood vessels of the patient's skin, increase the heat dissipation capacity of the skin, evaporate the alcohol, absorb heat, and reduce the surface temperature of the patient's body and relieve the symptoms.
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