A cryostat is an electromechanical apparatus used in many laboratories to maintain materials at specified and extremely low temperatures. These devices are used to prepare samples for examination under scanning electron microscopy, a type of microscope that works with X-rays.
Cryostats are used in several areas of various industries, such as pharmaceutical, metallurgical, food and semiconductor industries, among others, they work by a liquid cooling system called cryopreservation.
Process of analysis of samples to be studied in laboratories
A compressor allows a refrigerant liquid to pass through a pipe inside a metal block where the sample is, the liquid is cooled to very low temperatures, as low as -150°C; the sample can be stored inside the cryopreservative until you want to examine it.
Due to its characteristics, the cryostat is a unique tool to keep samples at very low temperatures within a safe laboratory environment. The cryopreservative is relatively simple to implement; these vary in size and ability to allow materials to be stored at temperatures close to zero degrees Celsius.
There are different models of cryostats on the market, you should only make a good choice depending on the needs
On the other hand, depending on the model, several samples can be kept at the same time; cryostats are built with different materials. Another important factor to consider is the ability to maintain temperature; the uncertainty is usually 1°C or less.
Cryostats have different forms of temperature control, such as thermostats and relays; thermostats and relays are used to regulate the temperature and keep it between the preset parameters; some models of cryostats also have an LCD to show the temperature and preset parameters.
Most outstanding characteristics of cryostats
Other important characteristics to consider when acquiring a cryostat are the movement of the liquid; some models have mechanisms of recirculation of liquid inside the unit, this allows to increase the efficiency, preserve the quality and durability of the device and maintain the preset parameters.
At the same time it is important to highlight the material, since it must be strong enough to withstand very low temperatures, it can be configured to meet the preset parameters.
Maximum safety and precision in investigations when using cryostats
In short, the cryostat is a useful tool for the analysis of materials at very low temperatures in a safe laboratory environment.
It not only offers the advantage of preserving the quality and durability of the device, but also providing accurate and reliable results for various uses, such as sample preparation for scanning electron microscopy or material analysis in various industries.
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