Caesium9/19/2023 ![]() It is well known for medical applications and artificially produced radioactive isotopes used in treating various types of cancers. As a dense medium, caesium formate is also used in metallurgical testing and to separate DNA. ![]() It is eco-friendly and can be readily recycled.Ĭaesium compounds also have applications as catalysts in plastics and petroleum refining, medical isotopes, photo-emissive devices, experimental magneto-hydrodynamic electricity generation, high accuracy atomic clocks for 5G communications and GPS navigation systems, speciality glasses, ion-propulsion rocket motors, high-density alkaline batteries, and coatings for solar cells. It is used in high pressure, high-temperature deep oil and gas well drilling as a coolant and lubricant. ![]() The best known recent example in a commercial application is caesium formate, a high-density fluid with the same viscosity as water but 2.2 times as dense. It is a little known alkali element with enormous potential for new applications, particularly aerospace technologies.Īs the most electro-positive naturally found element (aside from synthetised francium) in the periodic table, it forms exceptionally stable compounds. What is caesium, and what are its applications?Ĭaesium has mainly been recovered from the alumino-silicate mineral pollucite (Cs,Na) 2Al 2Si 4O 12♲H 2O), a rare mineral only found in very highly fractionated lithium pegmatites. Since 1967, caesium has been widely used in highly accurate atomic clocks. It was first discovered in 1860, and the initial small-scale applications for caesium were as a ‘getter’ in vacuum tubes and photoelectric cells. Donald Bubar, President and CEO of Avalon Advanced Materials Inc., examines the opportunities for caesium production in Canada and potential new technology applications.Ĭaesium (or cesium) is a scarce and little known alkali element that is usually only found in low concentrations in bedrock.
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