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Cesium: The Metal of Precision and Technology
Cesium, a golden-yellow, soft, and alkali metal, is located in the 6th period of the periodic table. Like other alkali metals, cesium has high reactivity and can spontaneously ignite upon contact with air. Therefore, it is usually stored under inert gas or vacuum.
Cesium is found rarely on Earth and is usually found in mineral deposits together with other alkali metals. The extraction of cesium is generally carried out by processing the pollucite mineral.
Global resources of cesium are limited, and therefore it is valuable.
Applications:
- Atomic Clocks
One of the most important applications of cesium is in atomic clocks. Cesium atomic clocks are used in determining time standards due to their high precision. These clocks are of critical importance in many areas such as GPS systems, telecommunication networks, and scientific research.
- Photoelectric Cells
Cesium has the property of converting light into electricity in photoelectric cells. Therefore, it is used in photoelectric sensors, night vision devices, and solar panels.
- Medicine
The cesium-137 isotope is used in radiotherapy for cancer treatment. It is also used in medical imaging techniques.
- Petroleum Industry
Cesium formate salt is used as a drilling fluid in oil wells. This salt is effective even in challenging drilling conditions due to its high density and low freezing point.
- Other Applications
Cesium is also used in vacuum tubes, some optical devices, and the production of specialty chemical compounds.