The common product is 75% alcohol, which is generally used to wipe and disinfect hands and small objects.
Sanitary hand disinfection: evenly spray or rub hands 1 ~ 2 times, 1 min.
Skin disinfection: Rub the skin surface twice for 3min each time.
Disinfection of the surface of smaller objects: Wipe the surface of objects twice for 3min each time.
Guide to the use of common disinfectants.
1? Alcohol disinfectant
1. 1? effective constituent
The alcohol content is 70% ~ 80% (v/v), and the hand disinfectant containing alcohol is >: 60%(v/v). The compound product can be made according to the product specification.
1.2? applied range
It is mainly used for disinfection of hands and skin, and can also be used for disinfection of smaller objects.
1.3? Application mode
Sanitary hand disinfection: evenly spray or rub hands 1 ~ 2 times, 1 min.
Disinfection of surgical hands: Wipe twice for 3min each time.
Skin disinfection: Rub the skin surface twice for 3min each time.
Disinfection of the surface of smaller objects: Wipe the surface of objects twice for 3min each time.
1.4? Matters needing attention
If alcohol is used for hand disinfection alone, it is recommended to use hand cream after disinfection.
External disinfectants should not be taken orally, and should be kept out of the reach of children.
Flammable, away from fire sources.
Use with caution those who are allergic to alcohol.
Keep away from light and store in a cool, dry and ventilated place.
Not suitable for surface disinfection of fat-soluble objects, not suitable for air disinfection.
2? Chlorine disinfectant
2. 1? effective constituent
In terms of available chlorine, the content is expressed in mg/L or%, with bleaching powder ≥20% and sodium dichloroisocyanurate ≥55%. According to the product manual, 84 disinfectant is commonly used as? 2%~5%。
2.2? applied range
It is suitable for disinfection of contaminated objects such as surfaces and fabrics, and also for disinfection of water, fruits and vegetables, eating utensils, etc.
In addition to the above purposes, hypochlorous acid disinfectant can also be used to disinfect indoor air, surfaces of secondary water supply equipment, hands, skin and mucous membranes.
2.3? Application mode
When the surface of the object is disinfected, the concentration is 500 mg/L; When the epidemic spot is disinfected, the surface concentration of the object is 1000mg/L, and when there are obvious pollutants, the concentration is10000 mg/L; Disinfection of indoor air and water shall be carried out according to the product instructions.
2.4? Matters needing attention
Disinfectants for external use shall not be taken orally and kept out of reach of children.
Wear masks and gloves when preparing and repackaging high-concentration disinfectants; Wear gloves when using, and avoid contact with skin. If you accidentally splash it into your eyes, you should immediately wash it with water, and if it is serious, you should seek medical attention.
Corrosion to metals, bleaching and fading to fabrics. Use metal and colored fabrics with caution.
Strong oxidant, not in contact with flammable materials, should be far away from fire sources.
Sealed storage in a cool and dry place, do not store or transport with reducing substances.
The package should be marked with corresponding safety warning signs.
Use in accordance with the scope of use, method of use, validity period and safety test results indicated in the specific product manual.
3? Chlorine dioxide disinfectant
3. 1? effective constituent
The activated chlorine dioxide content is more than or equal to 2000 mg/L, and activation is not required according to the product instructions.
3.2? applied range
Suitable for disinfection of water (drinking water, hospital sewage), object surfaces, utensils, food processing tools and equipment, fruits and vegetables, medical instruments (including endoscopes) and air.
3.3? Application mode
When the surface of the object is disinfected, the concentration is 50 mg/L ~ 100 mg/L and the action time is10 min ~15 min. When drinking water is disinfected, the concentration is 1 mg/L ~ 2 mg/L, and the action time is 1.5 min ~ 30 min. When hospital sewage is disinfected, the concentration is 20 mg/L ~ 40 mg/L, and the action time is 30 min ~ 60 min. Indoor air disinfection shall be carried out according to the product instructions.
3.4? Matters needing attention
Disinfectants for external use shall not be taken orally and kept out of reach of children.
Should not be mixed with other disinfectants, alkalis or organic substances.
This product has bleaching effect; Corrosive to metals.
Wear gloves when using to avoid contact with skin and inhalation of high concentration disinfectant into respiratory tract. If you accidentally splash into your eyes, you should wash them with water immediately. In severe cases, you should seek medical treatment.
4? Peroxide disinfectant
4. 1? effective constituent
Hydrogen peroxide disinfectant: the mass fraction of hydrogen peroxide (calculated as H2O2) is 3% ~ 6%.
Peroxyacetic acid disinfectant: the mass fraction of peracetic acid (calculated by C2H4O3) is 15% ~ 2 1%.
4.2? applied range
Suitable for disinfection of surfaces, indoor air, skin wounds and corrosion-resistant medical instruments.
4.3? Application mode
Object surface: spray or soak 0. 1% ~ 0.2% peracetic acid or 3% hydrogen peroxide for 30 minutes, then rinse with clean water to remove residual disinfectant.
Indoor air disinfection: spray 0.2% peracetic acid or 3% hydrogen peroxide with aerosol, and the dosage is calculated as10ml/m ~ 20ml/m (1g/m), after disinfection for 60min, ventilate; It can also be fumigated with 15% peracetic acid, with the dosage calculated as 7 ml/m, fumigated for 1 ~ 2 hours, and then ventilated.
Disinfection of skin wound: 3% hydrogen peroxide disinfectant directly washes the skin surface for 3 ~ 5min.
Disinfection of medical devices: advanced disinfection of corrosion-resistant medical devices, soaking with 6% hydrogen peroxide 120min or washing with 0.5% peracetic acid 10min. After disinfection, sterile water should be used to remove the residual disinfectant.
4.4? Matters needing attention
Liquid peroxide disinfectant is corrosive, irritating to eyes, mucous membranes and skin, and dangerous to burn. In case of accidental contact, rinse with plenty of water and seek medical attention in time.
Personal protective equipment should be worn during disinfection.
If the container breaks or leaks, flush it with plenty of water, or absorb the residual liquid with sand and inert absorbent, and take corresponding safety protection measures.
Flammable and explosive, it will cause combustion and explosion in case of open flame and high heat, and it is in danger of combustion and explosion in case of reducing agent and metal powder.
5? Iodine disinfectant
5. 1? effective constituent
Iodine tincture: available iodine 18g/L ~ 22g/L, ethanol 40% ~ 50%.
Iodophor: Iodine 2g/l ~ 10g/l can be used.
5.2? applied range
Iodine tincture: it is suitable for disinfection of skin, injection puncture site and umbilical cord in neonatal operation site, but not for disinfection of mucous membrane and sensitive parts.
Iodophor: it is suitable for disinfection of surgical hands and forearms, mucosal washing and disinfection, etc.
5.3? Application mode
Iodine tincture: Dip this product with sterile cotton swab or sterile gauze, wipe the skin of the disinfected part for more than 2 times, and then wipe it with 75% medical ethanol to remove iodine. Available iodine 1.8 mg/L ~ 22 mg/L use 1 ~ 3 min.
Iodophor:
Disinfection of hands and forearms before operation: On the basis of routine hand brushing, dip iodophor with sterile gauze, and wipe the skin evenly at the concentration of 1/3 from fingertip to forearm and under upper arm; Or dip iodophor directly with a sterile brush, and brush your hands from the fingertips to the forearm and under the upper arm. Part of the skin, and then dry. The available iodine is 2g/L ~ 10g/L, and the action time is 3min~5min.
Mucosal washing and disinfection: iodophor diluent containing available iodine 250 mg/L ~ 500 mg/L directly washes or wipes the disinfected parts.
5.4? Matters needing attention
External disinfectants are forbidden to be taken orally.
Please keep it out of the reach of children.
People who are allergic to iodine should use it with caution.
Sealed from light, stored in a cool and ventilated place.
6? Bromine disinfectant
6. 1? effective constituent
The mass fraction of bromochlorine-5,5-dimethylhydantoin is 92% ~ 95%, and the mass fraction of effective halogen (calculated by Cl) is 54% ~ 56%.
1, 3- diBromo-5,5-dimethylhydantoin, the mass fraction is 96% ~ 99%, and the mass fraction of available bromine (calculated as br) is107% ~11%.
6.2? applied range
Suitable for surface disinfection of objects.
6.3? Application mode
Surface disinfection of objects is usually accomplished by soaking, wiping or spraying. The total effective halogen of bromochlorine-5,5-dimethylhydantoin is 200 mg/L ~ 400 mg/L15 min ~ 20 min; The effective bromine of 1, 3- dibromo-5,5-dimethylhydantoin is 400 mg/L ~ 500 mg/L, and the action time is 10 min ~ 20 min.
6.4? Matters needing attention
Bromine disinfectant is for external use and cannot be taken orally.
This product is a strong oxidant, and contact with flammable materials without open flame can cause spontaneous combustion, so it should be kept away from flammable materials and fire sources.
It is forbidden to store and transport reduced materials to prevent explosion.
Products without corrosion inhibitors are corrosive to metals.
It can bleach and fade colored fabrics.
This product has an irritating smell and is dangerous to eyes, mucous membranes and skin. No contact with human body. In case of accidental contact, it should be washed with plenty of water in time, and severe cases should be sent to hospital for treatment.
Operators should wear protective glasses, rubber gloves and other labor protection articles.
7? Phenolic disinfectant
7. 1? effective constituent
According to the product manual.
7.2? applied range
Suitable for disinfection of surfaces and fabrics.
7.3? Application mode
Wipe the disinfected surface and fabric with 1000mg/L ~ 2000mg/L 15min ~ 30min.
7.4? Matters needing attention
Phenol and cresol are toxic to human body. Personal protection should be done when disinfecting the environment and the surface of objects. If the high concentration solution comes into contact with the skin, it can be wiped off with ethanol or rinsed with plenty of water.
After disinfection, the surface of the treated object, fabric and other objects should be wiped or cleaned with clear water to remove the residual disinfectant.
It can not be used for disinfection of articles contaminated by bacterial spores, nor can it be used for disinfection of high and intermediate medical devices. Disinfectants with phenol and cresol as main bactericidal components are not suitable for disinfection of skin and mucosa.
8? Quaternary ammonium salt disinfectant
8. 1? effective constituent
According to the product manual.
8.2? applied range
It is suitable for disinfection of environment and surface of objects (including fibers and fabrics).
It is suitable for disinfection of sanitary hands, and the disinfectant prepared with alcohol can be used for disinfection of surgical hands.
8.3? Application mode
Disinfection of object surface: when there is no obvious pollutant, the concentration used is1000 mg/L; /L; When there are obvious pollutants, the use concentration is 2000 mg/L.
Sanitary hand disinfection: the concentration used for cleaning is 1000mg/L, and the concentration used for pollution is 2000 mg/L. ..
8.4? Matters needing attention
Disinfectants for external use shall not be taken orally. Please keep it out of the reach of children.
Avoid contact with organic substances and antagonists. Can not be used with soap or other anionic detergents, nor with iodine or peroxide (such as potassium permanganate, hydrogen peroxide, sulfanilamide powder, etc.). ).
Term summary: 300 words 1 in the first semester of junior high school.
After several weeks of hard study, I hav