2.75% alcohol. Pure alcohol or water is not enough to denature protein in bacteria. Only when alcohol and water coexist, and at the same time, all kinds of gravitational forces that keep protein geometry are relaxed, protein will lose its physiological activity.
3. Bleaching powder. Bleaching powder is a chlorine-containing disinfectant, and its main component is calcium hypochlorite, which is a white powder with a strong chlorine odor. Mainly used for disinfection of swimming pools, industrial circulating water, drinking water, sterilization and epidemic prevention, pulp gauze and so on. For this coronavirus, bleaching powder also has a high disinfection effect.
4. Hydrogen peroxide. Hydrogen peroxide is a common medical disinfectant, also known as hydrogen peroxide, and it is a strong oxidant. It acts on wound disinfection and food disinfection, and can eliminate bacteria on the surface of objects.
5. chlorhexidine. Chlorhexidine, also known as chlorhexidine, has quite strong broad-spectrum antibacterial and bactericidal effects and is a good disinfectant. However, the Health and Health Commission has clearly pointed out that chlorhexidine can not effectively inactivate the virus, and hand disinfectants containing chlorhexidine should be avoided.