Isotope

Isotopic Mass

amu

% Abundance

T_1/2

T_1/2

Units

Mass Excess

KeV

Binding Energy

Per Nucleon

KeV

Decay

Mode

Branching

Ratio

⁷³Sr

72.96597 (64)

>25

ms

-31,700 (600)

8,098 (8)

B+

100

⁷⁴Sr

73.95631 (54)

50

ms

-40,700 (500)

8,220 (7)

B+ ?

⁷⁵Sr

74.94995 (24)

88

ms

-46,620 (220)

8,297 (2.9)

B+

100

⁷⁶Sr

75.941767 (40)

8.9

s

-54,244 (37)

8,393.9 (4.9)

B+

100

⁷⁷Sr

76.937945 (10)

9

s

-57,804.1 (9.3)

8,435.9 (1.2)

B+

100

⁷⁸Sr

77.9321800 (80)

159

s

-63,173.9 (7.5)

8,500.10 (9.6)

B+

100

⁷⁹Sr

78.9297080 (90)

2.25

m

-65,476.6 (8.4)

8,523.8 (1.1)

B+

100

⁸⁰Sr

79.9245210 (71)

106.3

m

-70,308.2 (6.6)

8,578.56 (8.2)

B+

100

⁸¹Sr

80.9232118 (67)

22.3

m

-71,527.7 (6.2)

8,587.35 (7.7)

B+

100

⁸²Sr

81.9184016 (60)

25.36

d

-76,008.4 (5.6)

8,635.70 (6.8)

EC

100

⁸³Sr

82.917557 (11)

32.41

h

-76,795 (10)

8,638.4 (1.2)

B+

100

⁸⁴Sr

83.9134253 (34)

0.56 (1)

stable

-80,643.8 (3.2)

8,677.44 (3.8)

⁸⁵Sr

84.9129328 (30)

64.853

d

-81,102.6 (2.8)

8,675.71 (3.3)

EC

100

⁸⁶Sr

85.9092602 (12)

9.86 (1)

stable

-84,523.6 (1.1)

8,708.46 (1.2)

⁸⁷Sr

86.9088771 (12)

7.00 (1)

stable

-84,880.4 (1.1)

8,705.24 (1.2)

⁸⁸Sr

87.9056121 (12)

82.58 (1)

stable

-87,921.7 (1.1)

8,732.60 (1.2)

⁸⁹Sr

88.9074507 (12)

50.53

d

-86,209.1 (1.1)

8,705.92 (1.2)

B-

100

⁹⁰Sr

89.9077379 (31)

28.79

y

-85,941.6 (2.9)

8,695.90 (3.2)

B-

100

⁹¹Sr

90.9102031 (49)

9.63

h

-83,645.3 (4.5)

8,663.80 (5)

B-

100

⁹²Sr

91.9110379 (37)

2.66

h

-82,867.7 (3.4)

8,648.91 (3.7)

B-

100

⁹³Sr

92.9140256 (81)

7.423

m

-80,084.6 (7.5)

8,612.77 (8.1)

B-

100

⁹⁴Sr

93.9153613 (77)

75.3

s

-78,840.4 (7.2)

8,593.78 (7.6)

B-

100

⁹⁵Sr

94.9193588 (80)

23.9

s

-75,116.8 (7.5)

8,549.08 (7.9)

B-

100

⁹⁶Sr

95.921697 (29)

1.07

s

-72,939 (27)

8,521.4 (2.9)

B-

100

⁹⁷Sr

96.926153 (21)

429

ms

-68,788 (19)

8,474.0 (2)

B-

100

⁹⁸Sr

97.928453 (28)

653

ms

-66,646 (26)

8,448.0 (2.7)

B-

100

⁹⁹Sr

98.933241 (86)

269

ms

-62,186 (80)

8,399.2 (8.1)

B-

100

¹⁰⁰Sr

99.93535 (14)

202

ms

-60,220 (130)

8,376 (1.3)

B-

100

¹⁰¹Sr

100.94052 (13)

118

ms

-55,410 (120)

8,326 (1.2)

B-

100

¹⁰²Sr

101.94302 (12)

69

ms

-53,080 (110)

8,300 (1.1)

B-

100

¹⁰³Sr

102.94895 (54)

50

ms

-47,550 (500)

8,244 (5)

B- ?

¹⁰⁴Sr

103.95233 (75)

30

ms

-44,400 (700)

8,212 (7)

B- ?

¹⁰⁵Sr

104.95858 (75)

20

ms

-38,580 (700)

8,156 (7)

B- ?

^83mSr

82.917557 (11)

4.95

s

-76,795 (10)

8,638.4 (1.2)

IT

100

^85mSr

84.9129328 (30)

67.63

m

-81,102.6 (2.8)

8,675.71 (3.3)

IT

86.6 4

^86mSr

85.9092602 (12)

455

ns

-84,523.6 (1.1)

8,708.46 (1.2)

IT

100

^87mSr

86.9088771 (12)

2.815

h

-84,880.4 (1.1)

8,705.24 (1.2)

IT~100

^97mSr

96.926153 (21)

170

ns

-68,788 (19)

8,474.0 (2)

IT

100

^97m1Sr

96.926153 (21)

255

ns

-68,788 (19)

8,474.0 (2)

IT

100

^91mSr

90.9102031 (49)

R=6

-83,645.3 (4.5)

8,663.80 (5)

0