Use liquid nitrogen tank to store cells or frozen sperm, especially frozen cells, and may not need to use liquid nitrogen tanks after the experiment reaches a certain stage. So how should this liquid nitrogen tank be handled? How to clean it if you don’t need it for a long time?
Tianchi Liquid Nitrogen Tank
Of course, clean first and then dry!
Liquid nitrogen tanks that store cells and frozen sperm. The incident of the sample falling into liquid nitrogen is difficult to avoid. When there is liquid nitrogen in the tank, the deep low temperature is around -196℃, these drops will not affect the tank.
frozen semen nitrogen tank
But if the liquid nitrogen tank is not used for a long time, the temperature in the tank will gradually rise until it reaches room temperature. In this case, the frozen semen falling into it will melt and adhere to the inner liner. If the inner liner is not cleaned quickly, it will be corroded, and the vacuum level of the tank cannot be guaranteed. Therefore, it needs to be cleaned first and then dried.
cell storage liquid nitrogen tank
cleaning method is very simple. First take out the accessories such as the lifting tube, wait until the temperature of the container rises to 0℃, then inject it into the liquid nitrogen tank with warm water or neutral detergent from 40℃ to 50℃, scrub it with cloth, and then rinse it with water.
After cleaning, it is air-dried, and directly put it in the container and air-dry it naturally.
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