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Cesium-127

Cesium-127
Algemeen
Element cesium (Cs)
Nuclide 127Cs
Aantal protonen 55
Aantal neutronen 72
Nuclidische gegevens
Nuclidenmassa 126,907417525 u
Spin 1/2+
Bindingsenergie 8,411561 MeV
Massaoverschot −86,24002 MeV
Vervalgegevens
Type verval β+-verval
Halveringstijd 6,25 uur
Vervalenergie 1,05857 MeV
Vervalproduct xenon-127
Isotopen van cesium
Portaal  Portaalicoon   Scheikunde
Natuurkunde

Cesium-127 of 127Cs is een onstabiele radioactieve isotoop van cesium, een alkalimetaal. De isotoop komt van nature niet op Aarde voor.

Cesium-127 ontstaat onder meer door radioactief verval van barium-127.

Radioactief verval

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Cesium-127 vervalt door β+-verval naar de radio-isotoop xenon-127:

De halveringstijd bedraagt 6,25 uur.

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Cesium-127
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