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[Chemical Knowledge]：Precious Storage-Precautions for the Use of Liquid Nitrogen Tanks

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In scientific research laboratories, medical institutions, biotechnology companies and other fields, liquid nitrogen tanks are widely used in the long-term preservation and storage of biological samples, cells, tissues and other substances. However, due to the extremely low temperature and special nature of liquid nitrogen, there are certain risks in its use, so it is necessary to strictly abide by the use specifications and precautions to ensure safe use. The following is the use of storage type liquid nitrogen tank need to pay attention to some of the matters.

for the storage of liquid nitrogen tank selection should be careful. In the purchase of storage type liquid nitrogen tank, first of all to ensure that the product has the qualification certification and certificate of conformity, as far as possible to choose the regular manufacturers of products.

select the appropriate capacity and specifications of the liquid nitrogen tank, according to the need to store the quality of the material to choose the appropriate tank volume.

inspect the material and sealing performance of the liquid nitrogen tank to ensure that the tank will not be affected by external factors.

in the use of liquid nitrogen tank in the process, to strictly abide by the operating procedures. First of all, it is necessary to ensure that the liquid nitrogen in the tank is at an appropriate level to avoid liquid nitrogen anoxia accidents.

wear protective equipment when filling or removing samples in the tank to avoid direct contact with the skin of liquid nitrogen. When taking the sample, do not touch the sample directly with your hands to avoid freezing damage due to sudden temperature differences.

In the daily maintenance and management of the storage liquid nitrogen tank, it is also necessary to strictly follow the relevant regulations.

liquid nitrogen tank should be regularly checked and maintained, especially to check whether the sealing performance of the tank and the safety valve are normal. The outer wall of the

tank also needs to be cleaned and disinfected regularly to avoid the growth of bacteria or pollutants.

storage type liquid nitrogen tank should be placed in a place with good ventilation and no fire and other dangerous substances during use to avoid accidents.

When using the storage type liquid nitrogen tank to encounter failure or abnormal situation, to take timely and correct treatment measures. Once the liquid nitrogen level in the tank is found to be abnormal or the tank is damaged, stop using it in time and ask professionals to carry out maintenance. In the process of using the storage type liquid nitrogen tank, we should always be vigilant and deal with abnormal situations in time to avoid accidents.

understanding and compliance with the precautions for the use of storage-type liquid nitrogen tanks is essential to ensure the safe storage and use of biological samples, cells, tissues and other substances. Only by strictly following the operation specifications and daily maintenance management can the safe use of the liquid nitrogen tank be ensured and accidents can be avoided. It is hoped that all units and individuals using liquid nitrogen tanks can pay attention to the precautions for the use of storage-type liquid nitrogen tanks to ensure safe storage and use.