It's Elemental - Isotopes of the Element Strontium

Isotopes of the Element Strontium
[Click for Main Data]

Most of the isotope data on this site has been obtained from the National Nuclear Data Center. Please visit their site for more information.

Isotopes of the Element Strontium with a Known Natural Abundance

Mass Number	Natural Abundance	Half-life

84	0.56%	Stable

86	9.86%	Stable

87	7.00%	Stable

88	82.58%	Stable

All Known Isotopes of the Element Strontium

Mass Number	Half-life	Decay Mode	Branching Percentage

73	> 25 milliseconds	Electron Capture	100.00

		Electron Capture with delayed Proton Emission	> 0.00

74	> 1.2 microseconds	Electron Capture	No Data Available

75	71 milliseconds	Electron Capture	100.00

		Electron Capture with delayed Proton Emission	6.50

76	8.9 seconds	Electron Capture	100.00

77	9.0 seconds	Electron Capture	100.00

		Electron Capture with delayed Proton Emission	< 0.25

78	2.5 minutes	Electron Capture	100.00

79	2.25 minutes	Electron Capture	100.00

80	106.3 minutes	Electron Capture	100.00

81	22.3 minutes	Electron Capture	100.00

82	25.55 days	Electron Capture	100.00

83	32.41 hours	Electron Capture	100.00

83_m	4.95 seconds	Isomeric Transition	100.00

84	Stable	-	-

85	64.84 days	Electron Capture	100.00

85_m	67.63 minutes	Isomeric Transition	86.60

		Electron Capture	13.40

86	Stable	-	-

87	Stable	-	-

87_m	2.815 hours	Isomeric Transition	99.70

		Electron Capture	0.30

88	Stable	-	-

89	50.53 days	Beta-minus Decay	100.00

90	28.79 years	Beta-minus Decay	100.00

91	9.63 hours	Beta-minus Decay	100.00

92	2.71 hours	Beta-minus Decay	100.00

93	7.423 minutes	Beta-minus Decay	100.00

94	75.3 seconds	Beta-minus Decay	100.00

95	23.90 seconds	Beta-minus Decay	100.00

96	1.07 seconds	Beta-minus Decay	100.00

97	429 milliseconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	<= 0.05

98	0.653 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	0.25

99	0.269 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	0.10

100	202 milliseconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	0.78

101	118 milliseconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	2.37

102	69 milliseconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	4.80

103	> 150 nanoseconds	Beta-minus Decay	No Data Available

104	No Data Available	No Data Available	No Data Available

105	> 150 nanoseconds	Beta-minus Decay	No Data Available

Isotopes of the Element Strontium[Click for Main Data]

Isotopes of the Element Strontium
[Click for Main Data]