Rb dating site

With a half-life of 76 seconds, rubidium-82 decays by positron emission to stable krypton-82.

Rubidium is a very soft, silvery-white metal in the alkali metal group.Rubidium is not a known nutrient for any living organisms.However, rubidium ions have the same charge as potassium ions and are actively taken up and treated by animal cells in similar ways.Zone pegmatite ore bodies containing mineable quantities of caesium as pollucite or the lithium minerals lepidolite are also a source for rubidium as a by-product.Both of those deposits are also sources of caesium.

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