Autoclave - Non woven sanitary materials and sanitary products testing instrument

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Autoclave

key word: Autoclave

Category: Non woven sanitary materials and sanitary products testing instrument

Overview: Usage of autoclave:1. First take out the inner sterilization barrel, and then add an appropriate amount of water to the outer pot to make the water surface level with the triangular shelf.2. Put back the sterilization barrel and put the articles to be…

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Usage of autoclave:
1. First take out the inner sterilization barrel, and then add an appropriate amount of water to the outer pot to make the water surface level with the triangular shelf.
2. Put back the sterilization barrel and put the articles to be sterilized. Be careful not to pack too tightly, so as not to hinder the steam flow and affect the sterilization effect. The mouth ends of the triangular flask and the test tube shall not contact the barrel wall, so as to prevent the condensed water from wetting the paper at the package mouth and penetrating into the cotton plug.
3. Cover and insert the exhaust hose on the cover into the exhaust slot of the inner sterilization barrel. Then screw the two opposite bolts in a symmetrical way to ensure the same tightness and avoid air leakage.
4. Use electric stove or gas for heating, and open the exhaust valve at the same time to make the water boil to remove the cold air in the boiler. After the cold air is completely discharged, close the exhaust valve and let the temperature in the boiler rise gradually with the increase of steam pressure. When the pressure in the pot rises to the required pressure, control the heat source and maintain the pressure for the required time. In this experiment, 1.05kg/cm2121.3 ℃ was used for sterilization for 20 minutes.
5. When the time required for sterilization is up, cut off the power supply or turn off the gas to let the temperature in the sterilization pot drop naturally. When the pressure of the pressure gauge drops to 0, open the exhaust valve, unscrew the bolts, open the cover, and take out the sterilization articles. If the pressure does not drop to 0, open the vent valve, the pressure in the pot will drop suddenly, causing the medium in the container to flush out of the mouth of the flask or the mouth of the test tube due to the imbalance of internal and external pressures, causing the cotton plug to contaminate the medium.
6. Put the sterilized medium taken out into a 37 ℃ incubator for 24 hours. If there is no growth of foreign bacteria after inspection, it can be ready for use.

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