The essence of the method is that the gas gives gas and then detected later. For this, a sensor of a thin tin dioxide is used. With ionization, gas particles interact with the surface of the material that changes the electrical resistance. Due to the nature of this change, the gas can be determined by which gas occurs.
Experiments have shown that the change in resistance reached 30-40%and the device can even work with a small amount of gas. Technology, cosmic studies can be used in various fields, including the control of the firmness of product packaging, the storage of archive documents and the detection of gas leaks in production.
Source: Ferra
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