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Isotopes of the Element Zirconium

[Click for Main Data]         Proton Emission     Neutron Emission     Electron Emission     Positron Emission

Most of the isotope data on this site has been obtained from the National Nuclear Data Center.

Naturally Occurring Isotopes

Mass NumberNatural AbundanceHalf-life
9051.45%STABLE
9111.22%STABLE
9217.15%STABLE
9417.38%STABLE
962.80%2.35×10+19 years

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
78> 170 nanosecondsElectron CaptureNo Data Available
7956 millisecondsElectron CaptureNo Data Available
Electron Capture with
delayed Proton Emission
No Data Available
804.6 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
No Data Available
815.5 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
0.12%
8232 secondsElectron Capture100.00%
8341.6 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
No Data Available
8425.8 minutesElectron Capture100.00%
857.86 minutesElectron Capture100.00%
85m10.9 secondsIsomeric Transition<= 92.00%
Electron Capture> 8.00%
8616.5 hoursElectron Capture100.00%
871.68 hoursElectron Capture100.00%
87m14.0 secondsIsomeric Transition100.00%
8883.4 daysElectron Capture100.00%
8978.41 hoursElectron Capture100.00%
89m4.161 minutesIsomeric Transition93.77%
Electron Capture6.23%
90STABLE--
90m809.2 millisecondsIsomeric Transition100.00%
91STABLE--
92STABLE--
931.61×10+6 yearsBeta-minus Decay100.00%
94STABLE--
9564.032 daysBeta-minus Decay100.00%
962.35×10+19 yearsDouble Beta-minus DecayNo Data Available
9716.749 hoursBeta-minus Decay100.00%
9830.7 secondsBeta-minus Decay100.00%
992.1 secondsBeta-minus Decay100.00%
1007.1 secondsBeta-minus Decay100.00%
1012.3 secondsBeta-minus Decay100.00%
1022.9 secondsBeta-minus Decay100.00%
1031.32 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
<= 1.00%
1040.87 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
<= 1.00%
1050.66 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
<= 2.00%
106191 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
<= 7.00%
107138 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
<= 23.00%
10873 millisecondsBeta-minus Decay with
delayed Neutron Emission
No Data Available
Beta-minus Decay100.00%
10963 millisecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
11037 millisecondsBeta-minus DecayNo Data Available
111> 392 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
Beta-minus Decay with delayed
Double Neutron Emission
No Data Available
112> 394 nanoseconds   Beta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
Beta-minus Decay with delayed  
Double Neutron Emission
No Data Available