Caesium Pellets

Caesium Pellets offered by Goodfellow are high-purity elemental caesium shaped into small, spherical pellets. Caesium has a low melting point of 28.5°C and is extremely reactive due to its high electropositivity. The pellets are packaged under argon to prevent oxidation. Typical applications for caesium include photoelectric cells, where the metal's conductivity and photoelectron work function of 1.95 eV make it well-suited to convert light into electric current. Caesium pellets also serve as getter materials for vacuum tubes, reacting with trace gases to maintain hard vacuum environments. As part of Goodfellow's expansive metals inventory, the caesium pellets enable research and prototyping needs across sciences and engineering disciplines.

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