Cleaning and sterilization method of blue cap bottle
2024-09-13
Blue cap bottle (silk bottle, blue cap reagent bottle) 250ml cleaning method:
1. Newly puRChased glassware
After removing the dirt contaminated by the packaging, first scrub with hot soapy water, rinse with running water, and then soak in 1 ~ 2% industrial hydrochloric acid for a few hours, so that the free alkaline substances are removed, and then rinse with running water.
For vessels with large capacity, such as large flask, measuring cylinder, etc., inject a little concentrated hydrochloric acid after washing, turn the container so that its internal surface is evenly stained with hydrochloric acid, pour the hydrochloric acid after a few minutes, and then rinse with running water, pour it into the washing rack to dry the water, and then use it.
2. Used glassware
Where there is no pathogenic bacteria or is not contaminated by bacteria, the utensils can be washed at any time after use, and the straws that have absorbed chemical reagents can be soaked in clean water first, and then concentrated after a certain amount of cleaning.
Utensils that may be contaminated by pathogens must be properly disinfected, the dirt must be removed, washed with soap, and then rinsed with running water.
If the dish cannot be washed with soap, it can be soaked with soap for an appropriate time and then washed with clean water.
The main components of the wash are potassium dichromate and concentrated flow acid, whose role is to oxidize organic matter into soluble substances for rinsing.
Lotion has a strong corrosive effect, and should be used with special care to avoid splashing on clothes, bodies and other items.
Sterilization method of blue cap reagent bottle
1. Sterilization method of blue cap reagent bottle
Blue cap reagent bottle is one of the reagent storage devices commonly used in the laboratory, and its material can be glass or plastic.
For glass reagent bottles, the method of high temperature autoclave sterilization can be used, generally 121℃, 0.1MPa, for 20 minutes.
However, the temperature resistance of plastic reagent bottles is limited, and appropriate sterilization methods should be selected.
It can usually be sterilized by chemicals such as acetic peroxide.
Second, pay attention to whether the bottle cap can withstand high temperature sterilization
In the sterilization process, it is necessary to pay attention to whether the bottle cap can withstand high temperature and pressure.
For some reagent bottles with small openings and better sealing caps, it is easy to burst under high temperature and pressure, so it is necessary to strengthen control and inspection.
For plastic reagent bottles, it is necessary to choose an appropriate sterilization method, and it is not appropriate to use high temperature and high pressure sterilization.
Iii. Conclusion
In general, the blue cap reagent bottle can be sterilized by high temperature and high pressure method, but it is necessary to pay attention to whether the bottle cap can withstand high temperature, and choose the appropriate sterilization method.
Sterilization operation requires strict compliance with laboratory operating procedures to ensure operational safety and accuracy of experimental results.
Blue cap bottle (silk bottle, blue cap reagent bottle) 250ml cleaning method:
1. Newly purchased glassware
After removing the dirt contaminated by the packaging, first scrub with hot soapy water, rinse with running water, and then soak in 1 ~ 2% industrial hydrochloric acid for a few hours, so that the free alkaline substances are removed, and then rinse with running water.
For vessels with large capacity, such as large flask, measuring cylinder, etc., inject a little concentrated hydrochloric acid after washing, turn the container so that its internal surface is evenly stained with hydrochloric acid, pour the hydrochloric acid after a few minutes, and then rinse with running water, pour it into the washing rack to dry the water, and then use it.
2. Used glassware
Where there is no pathogenic bacteria or is not contaminated by bacteria, the utensils can be washed at any time after use, and the straws that have absorbed chemical reagents can be soaked in clean water first, and then concentrated after a certain amount of cleaning.
Utensils that may be contaminated by pathogens must be properly disinfected, the dirt must be removed, washed with soap, and then rinsed with running water.
If the dish cannot be washed with soap, it can be soaked with soap for an appropriate time and then washed with clean water.
The main components of the wash are potassium dichromate and concentrated flow acid, whose role is to oxidize organic matter into soluble substances for rinsing.
Lotion has a strong corrosive effect, and should be used with special care to avoid splashing on clothes, bodies and other items.