Hydrogen peroxide, with the chemical formula H202, is a colorless viscous liquid and an aqueous solution commonly known as hydrogen peroxide. Generally, hydrogen peroxide with a mass fraction of 30% is sold on the market, while household use hydrogen peroxide with a mass fraction of 3% -5%.
1. Hydrogen peroxide is a reactive oxidant that, when decomposed, produces water and new ecological oxygen; H202- H20+[O], this newly formed oxygen is an atomic oxygen that has not yet formed a synthetic molecule. It has extremely strong oxidation ability and can oxidize single cells. When it meets bacteria, it can destroy bacterial tissue and kill bacteria, thus possessing extremely strong sterilization power. In medicine, 3% to 5% hydrogen peroxide is commonly used as a wound disinfectant.
Many people's teeth grow irregularly, making it difficult to remove the residue in the gaps with ordinary methods. Over time, the mouth will emit an unpleasant odor. If washed with 3% -5% hydrogen peroxide for a period of time, it can be eliminated. However, it should be noted that hydrogen peroxide exhibits weak acidity and strong oxidizing properties. While killing bacteria, it can also damage normal tissues in the oral cavity and should not be used for a long time
Many students like to wear sports shoes and travel shoes, but these shoes have poor breathability. Over time, fungi can easily grow and breed in them, making it easy to get beriberi. Doctors may prescribe a medicine called salicylic acid, but this medicine has a very unpleasant and irritating odor. For example, during the spread of infectious diseases such as SARS and avian influenza, there are many types of disinfectants on the market, such as chlorine water and peracetic acid. However, after use, they will leave an unpleasant odor. However, if you use 3-5% hydrogen peroxide at this time, you can achieve both the treatment of athlete's foot and the cleaning and disinfection effect.
2. Due to the ability of double water to react with acidic potassium permanganate, hydrogen peroxide cannot be used together or mixed with purple medicine water (i.e. acidic potassium permanganate solution). But if you use purple medicine, it is often difficult to clean it, so don't worry, just wash it with hydrogen peroxide.
3. Hydrogen peroxide can react with lead sulfide. After applying white paint to the furniture at home, it appears bright and pure white. However, after a year or two, it turns brownish yellow, and after a long time, it turns brownish black again. The reason is that some paints use basic lead carbonate as pigments, and hydrogen sulfide in the air reacts with the basic lead carbonate in the paint to produce brownish black lead sulfide. At this time, if hydrogen peroxide is used to clean it, it can restore its original color.
Similarly, if you collect oil paintings for a long time, they will also darken. Dunhuang murals are the most precious art treasure trove in ancient China, reflecting the superb painting skills of the ancient Chinese people. In particular, the picture of flying beauties can bring people to a magical state. However, the faces of those beauties are black, which is also the reason. It is not difficult to restore the original face of the mural, just spray some hydrogen peroxide on the face of the beauties with a spray.
4. Everyone has a love for beauty. Some people may accidentally purchase counterfeit and inferior products while using cosmetics, and during use, black spots may gradually appear on their faces.At this time, don't panic. You can use medical 3% hydrogen peroxide and milk powder to make a facial mask at a ratio of 1:1. Apply it to the place where you want to whiten for 5 to 10 minutes, at most 15 minutes, and then wash it. After so many times, you can achieve the whitening effect.
