What is the difference between hypochlorous acid water, bleach and chlorine dioxide? Which one is suitable for disinfection and hand cleaning? 4 common disinfection products are organized to answer the questions of usage and cautions.
What is the difference between hypochlorous acid water, alcohol, bleach and chlorine dioxide? Which one is suitable for epidemic prevention disinfection and hand cleaning? Sort out the 4 commonly used disinfectants, and answer the usage and precautions at one time.
Hypochlorous acid water can not be used on the skin, suitable for cleaning food tools
Uses: home environment and tableware cleaning.
Use concentration: Environmental cleaning: 100-300ppm; Disinfection of food utensils: 20-90ppm
shortcoming:
- Hypochlorous acid water is irritating to the skin.
- Hypochlorous acid water is unstable and not resistant to storage.
- When exposed to sunlight, hypochlorous acid water will be oxidized and reduced and lose its bactericidal effect.
Precautions:
- It should be used in a well-ventilated environment, stay for a few minutes after wiping, and then wipe with water.
- If cleaning food utensils, even if the concentration is low, after using hypochlorous acid water, it should be washed with clean water before use.
- Hypochlorous acid water should not be used to cleanse the skin.
- Avoid use on metal.
Bleach is suitable for environmental disinfection and should be used within 24 hours
Uses: The home environment is clean and cannot be used to clean food utensils.
Use concentration: the maximum concentration of chlorine-based bleaching water on the market is 5~6%, disinfection environment: diluted 100 times.
shortcoming:
- Bleach will be oxidized and reduced when exposed to sunlight, and the sterilization fruit will be lost.
- Bleach can irritate the skin, mucous membranes, and respiratory tract.
Precautions:
- Bleach should not be mixed with other cleaning agents, so as not to produce toxic gases or reduce the bactericidal effect.
- The sterilization effect of diluted bleach will be reduced if it is stored for too long. It is recommended to use it within 24 hours.
- It should be used in a well-ventilated environment, stay for a few minutes after wiping, and then wipe with water.
- Avoid using on metal, wool, nylon, silk materials.
75% alcohol disinfection is the best, and the wiping effect is better than direct spraying
Uses: home environment, food utensils cleaning, human skin
Use concentration: 70～75%
Disadvantages:
- Alcohol is not effective against all viruses. For viruses without a mantle, such as enteroviruses, rotaviruses, and noroviruses, alcohol disinfection is not effective.
Precautions:
- A high concentration of 95% alcohol will rapidly solidify the protein on the surface of bacteria. For some bacteria, its interior is still active, so killing it means not killing it.
- The alcohol should be sprayed on the rag and paper towel first, and then disinfected by wiping, the effect will be better.
- When used in food utensils, it is recommended to spray on toilet paper to wipe, rinse with water after the alcohol has evaporated, and then use it.
- Do not spray alcohol on a large scale, so as not to cause a fire.
Chlorine dioxide is only suitable for use in environmental and utensil disinfection
Uses: home environment, appliance cleaning
Concentration of use: 50-150 ppm for wiping and disinfecting equipment; 10-50 ppm for immersing equipment for disinfection. After chlorine dioxide disinfection, gloves must be worn and then rinsed with water
Disadvantages:
- Chlorine dioxide should be used up as soon as possible, do not hoard it, the sterilization power will be reduced for a long time.
Precautions:
- Chlorine dioxide is a legal food detergent and can only be used for food disinfection, not edible.
- It is not recommended to continuously spray chlorine dioxide indoors, as it will cause irritation and discomfort to the nose, throat and lungs.
- Store in a cool, dark place.
What is the difference between hypochlorous acid water and bleach?
Hypochlorous acid water and sodium hypochlorite, which is commonly known as bleaching water, are actually very similar in composition. Bleaching water refers to an aqueous solution of sodium hypochlorite, which is generally used for environmental disinfection; while the chemical structure of hypochlorous acid water lacks sodium cations, so it is not bleaching water.
Because the components of hypochlorous acid water and bleach water both contain hypochlorous acid anions, which have strong oxidizing ability, and both will inactivate bacteria and viruses, so they have the effect of sterilization and disinfection.
What is Nano Silver Ionized Water?
Unlike alcohol, bleach, etc., nano-silver ion water is active sterilization. Nano-silver ion water is passive protection. The mechanism is to inhibit the fusion of bacterial mantle with external cells and inhibit bacterial reproduction, but it does not help much in inhibiting virus growth. Therefore, it is not like alcohol, hypochlorous acid water, and bleach water are listed as standard disinfectants that can prevent the new coronavirus.
Since the concentration of commercially available nano-silver ionized water is unknown, it is recommended to use it for cleaning utensils and furniture, and do not touch the skin. The silver ions in nano-silver ion water are extremely unstable, so it is not recommended to store for a long time.
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