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How Hydrogen Peroxide Kills Bacteria

Dec 10, 2020

Many daily necessities are disinfected and sterilized by using disinfection tools such as hydrogen peroxide, but many people are not clear about the basic principles of such things to kill viruses, and worry about affecting their physical and mental health. Hydrogen peroxide is also called Hydrogen oxide is characterized by its very unstable molecular formula, and if the basic principle of sterilization of hydrogen peroxide is this kind of unstable characteristics, then, how hydrogen peroxide kills bacteria?


First, what is the principle of hydrogen peroxide disinfection?

The technical term for hydrogen peroxide is hydrogen peroxide (H2O2), which is an oxidizing agent. Hydrogen peroxide is a natural compound that exists in gas and water. Sunlight, electric flashes, and microorganisms can all cause hydrogen peroxide. Hydrogen peroxide dissolves water, and it becomes the commonly referred to as hydrogen peroxide. In fact, as early as the 18th century, humans discovered and just started to use hydrogen peroxide. In the food industry, hydrogen peroxide is key to disinfection and sterilization of flexible packaging bags. , Disinfection and sterilization in canning factories, sterilization of milk and dairy products, bread fermentation, fading of food chemical fibers, etc., and also as a production and processing aid. In addition, in drinking water treatment, textile product bleaching, paper industry, In industries such as pharmaceutical industrial production and household detergent production and manufacturing, hydrogen peroxide also fully plays a key role.


Second, the application of hydrogen peroxide depends on the reducibility of hydrogen peroxide. Different concentrations of hydrogen peroxide have different main uses. The concentration value of hydrogen peroxide for general medicinal value is 3%, and the concentration value of hydrogen peroxide in beauty equipment The concentration value of the experimental reagent grade hydrogen peroxide is 30%, the concentration value of the consumption grade hydrogen peroxide is 35%, and the hydrogen peroxide with the concentration value above 90%% can be used as a reducing agent for rocket fuel. Hydrogen peroxide with a concentration value of more than% will cause an explosion when heated or subjected to vibration. Hydrogen peroxide is also very easy to dissolve, and the basic shape of high-purity hydrogen peroxide is stable. When it touches other substances, it quickly dissolves into CO2 and Water. Use the strong oxidizing property of hydrogen peroxide to destroy the proteins that make up the bacteria and cause them to die.