Zinc Isotopic Data

 

 

 

Isotope

 

Isotopic Mass

amu

 

% Abundance

 

T1/2

 

T1/2

Units

 

Mass Excess

KeV

 

Binding Energy

Per Nucleon

KeV

 

Decay

Mode

 

Branching

Ratio

54Zn

53.99295 (43)

 

 

 

-6,570 (400)

7,758 (7)

2p ?

 

55Zn

54.98398 (27)

 

20

ms

-14,920 (250)

7,916 (5)

B+ ?

 

56Zn

55.97238 (28)

 

36

ms

-25,730 (260)

8,112 (5)

B+ ?

 

57Zn

56.96479 (11)

 

38

ms

-32,800 (100)

8,235 (2)

B+

100

58Zn

57.954592 (54)

 

84

ms

-42,298 (50)

8,395.9 (8.6)

B+

100

59Zn

58.949264 (40)

 

182

ms

-47,260 (37)

8,474.5 (6.3)

B+

100

60Zn

59.941827 (11)

 

2.38

m

-54,188 (11)

8,583.3 (1.8)

B+

100

61Zn

60.939511 (17)

 

89.1

s

-56,345 (16)

8,610.3 (2.7)

B+

100

62Zn

61.934330 (11)

 

9.186

h

-61,171 (10)

8,679.4 (1.6)

B+

100

63Zn

62.9332116 (17)

 

38.47

m

-62,213.0 (1.6)

8,686.28 (2.5)

B+

100

64Zn

63.92914222 (73)

48.63 (60)

stable

 

-66,003.60 (68)

8,735.90 (1.1)

 

 

65Zn

64.92924098 (73)

 

244.06

d

-65,911.60 (68)

8,724.26 (1.1)

B+

100

66Zn

65.92603342 (99)

27.90 (27)

stable

 

-68,899.43 (92)

8,759.64 (1.4)

 

 

67Zn

66.9271273 (10)

4.10 (13)

stable

 

-67,880.44 (94)

8,734.15 (1.4)

 

 

68Zn

67.9248442 (10)

18.75 (51)

stable

 

-70,007.22 (96)

8,755.68 (1.4)

 

 

69Zn

68.9265503 (10)

 

56.4

m

-68,417.97 (97)

8,722.73 (1.4)

B-

100

70Zn

69.9253193 (21)

0.62 (3)

stable

 

-69,564.6 (2)

8,729.81 (2.8)

 

 

71Zn

70.927722 (11)

 

2.45

m

-67,327 (10)

8,689.0 (1.4)

B-

100

72Zn

71.9268580 (65)

 

46.5

h

-68,131.4 (6.1)

8,691.61 (8.5)

B-

100

73Zn

72.929779 (43)

 

23.5

s

-65,410 (40)

8,645.8 (5.5)

B-

100

74Zn

73.929459 (51)

 

95.6

s

-65,709 (47)

8,642.1 (6.4)

B-

100

75Zn

74.932937 (76)

 

10.2

s

-62,469 (71)

8,591.3 (9.4)

B-

100

76Zn

75.933294 (86)

 

5.7

s

-62,137 (80)

8,580 (1.1)

B-

100

77Zn

76.93696 (13)

 

2.08

s

-58,720 (120)

8,529 (1.6)

B-

100

78Zn

77.938440 (97)

 

1.47

s

-57,343 (90)

8,506 (1.2)

B-

100

79Zn

78.94265 (28)

 

995

ms

-53,420 (260)

8,450 (3)

B-

100

80Zn

79.94434 (18)

 

545

ms

-51,840 (170)

8,426 (2.2)

B-

100

81Zn

80.95048 (32)

 

290

ms

-46,130 (300)

8,351 (4)

B-

100

82Zn

81.95442 (54)

 

100

ms

-42,460 (500)

8,303 (6)

B- ?

 

83Zn

82.96103 (54)

 

80

ms

-36,300 (500)

8,226 (6)

B- ?

 

61mZn

60.939511 (17)

 

<430

ms

-56,345 (16)

8,610.3 (2.7)

IT

100

65mZn

64.92924098 (73)

 

1.6

us

-65,911.60 (68)

8,724.26 (1.1)

IT

100

69mZn

68.9265503 (10)

 

13.76

h

-68,417.97 (97)

8,722.73 (1.4)

IT~100

 

71mZn

70.927722 (11)

 

3.96

h

-67,327 (10)

8,689.0 (1.4)

B-~100

 

73mZn

72.929779 (43)

 

13

ms

-65,410 (40)

8,645.8 (5.5)

IT

100

77mZn

76.93696 (13)

 

1.05

s

-58,720 (120)

8,529 (1.6)

IT>50

 

78mZn

77.938440 (97)

 

319

ns

-57,343 (90)

8,506 (1.2)

IT

100

61m1Zn

60.939511 (17)

 

140

ms

-56,345 (16)

8,610.3 (2.7)

IT

100

73m1Zn

72.929779 (43)

 

5.8

s

-65,410 (40)

8,645.8 (5.5)

IT

?

61m2Zn

60.939511 (17)

 

<130

ms

-56,345 (16)

8,610.3 (2.7)

IT

100

 

Data Source: ENSDF March 2005

©Radiochemistry Society 2005