A laboratory is a place or center provided with the necessary equipment and means to carry out experiments, clinical and scientific research. Among the essential equipment of a laboratory we find freezers and refrigerators, these equipment maintain in a controlled environment any element, be it reagents, drugs, samples, or vaccines, so that it is kept in perfect conditions of use. The lower and more stable the temperature, the lower the chemical and biological activity.
There are key elements in laboratories that need refrigeration, since they are very sensitive to certain low or high temperatures. Most of these items can only be safely stored in a very stable and precise temperature range.
What is a laboratory freezer?
A freezer is a refrigeration equipment consisting of a thermally insulated compartment, which helps to maintain an extremely cold environment and thus avoid damage or degradation of the substances or compounds that are stored in it. Regarding its operation, we can find two models: by compression or by absorption, by means of which they are capable of keeping the products stored inside at a temperature below 0 ºC, normally between -30 ° C and -4 ° C.
Although currently some equipment can reach temperatures of -80 ºC. Its function consists of maintaining, in a controlled environment, various fluids and substances, so that they are kept in good condition, since the lower the temperature, the less chemical and biological activity.
What is a laboratory refrigerator?
A laboratory refrigerator is a piece of equipment that allows to efficiently conserve all kinds of substances that are refrigerated in it, whether they are liquid, solid or homogeneous substances. This equipment works by decreasing the temperature, so it allows to control the effect that it has on the substances whose composition and structure are to be preserved, this is because the lower the temperature, the lower the rate at which the reactions occur. chemical and metabolic, which deteriorate the compounds. That is why they are used in the conservation of blood and derivatives, biological fluids and tissues, reagents, chemicals, and bacterial strains.
In other words, these equipments are used for the preservation of substances such as reagents and biological elements that, if kept at room temperature conditions, would decompose or alter their properties. They provide conditions through which it is possible to conserve those elements that, such as blood and its derivatives, are necessary for diagnosis, research and the provision of health services.
Classification of laboratory refrigerators and freezers
Laboratory refrigerators and freezers are classified according to their temperature range:
- Conservation refrigerator: This type of refrigerator has the capacity to operate from 0 ° C to 8 ° C in temperature.
- Low temperature freezers: This type of refrigerator has the ability to refrigerate at temperatures ranging from 0 ° C to -30 ° C.
- Ultra low temperature freezers: This type of refrigerator preserves substances at temperatures ranging from 0 ° C to -86 ° C.
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