A laboratory is a place or center provided with equipment and facilities necessary for conducting experiments, clinical and scientific research. Within the essential equipment of a laboratory we find freezers and refrigerators, these equipment keeps in a controlled environment any element, whether reagent, 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 cooling, as they are very sensitive to certain low or high temperatures. Most of these elements 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. In terms of its operation we can find two models: compression or absorption, by which they are able to keep the products stored inside at a temperature below 0 °C, usually between -30 °C and -4 °C.
Although some equipment can reach temperatures of -80 ºC. Its function is to maintain, in a controlled environment, various fluids and substances, so that they are preserved in good conditions, because the lower the temperature, the less chemical and biological activity.
What is a laboratory refrigerator?
A laboratory refrigerator is equipment that allows the effective storage of all types of substances that are refrigerated, whether liquid, solid or homogeneous. This equipment works by lowering the temperature, so it allows controlling the effect that it has on substances whose composition and structure is intended to be preserved, this is because the lower the temperature will be the rate at which chemical and metabolic reactions occur, 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, this equipment is used for the preservation of substances such as reagents and biological elements which, if kept at room temperature, would decompose or alter their properties. They provide conditions through which it is possible to preserve those elements such as blood and blood derivatives that are necessary for diagnosis, research and the provision of health services.
Classification of laboratory refrigerators and freezers
- Storage cooler: This type of cooler has the capacity to operate from 0°C to 8°C of 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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