Encyclopedia

Cesium


Silvery-white or yellowish metal (specific gravity 1.9), which ignites upon contact with air; the fastest oxidizing metal; stored in sealed ampoules or in mineral oil

Source: "Explanations to the Commodity Nomenclature of Foreign Economic Activity of the Russian Federation (HSN RF)" (prepared by the Russian Federal Customs Service) (Volume 1, Sections I - VI, Groups 1 - 29)

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