Yttrium Isotopic Data

 

 

 

Isotope

 

Isotopic Mass

amu

 

% Abundance

 

T1/2

 

T1/2

Units

 

Mass Excess

KeV

 

Binding Energy

Per Nucleon

KeV

 

Decay

Mode

 

Branching

Ratio

76Y

75.95845 (54)

 

500

ns

-38,700 (500)

8,179 (7)

B+ ?

 

77Y

76.949645 (67)

 

63

ms

-46,905 (62)

8,284 (1)

B+

?

78Y

77.94361 (43)

 

54

ms

-52,530 (400)

8,354 (5)

B+

100

79Y

78.93735 (48)

 

14.8

s

-58,360 (450)

8,424 (5.7)

B+

100

80Y

79.93428 (19)

 

30.1

s

-61,220 (180)

8,455 (2.2)

B+

100

81Y

80.929127 (67)

 

70.4

s

-66,017 (62)

8,509.7 (7.7)

B+

100

82Y

81.92679 (11)

 

8.3

s

-68,190 (100)

8,531 (1.3)

B+

100

83Y

82.922354 (48)

 

7.08

m

-72,327 (44)

8,575.1 (5.3)

B+

100

84Y

83.920388 (98)

 

4.6

s

-74,158 (91)

8,591 (1.1)

B+

100

85Y

84.916433 (20)

 

2.68

h

-77,842 (19)

8,628.1 (2.2)

B+

100

86Y

85.914886 (15)

 

14.74

h

-79,284 (14)

8,638.4 (1.6)

B+

100

87Y

86.9108757 (17)

 

79.8

h

-83,018.7 (1.6)

8,674.85 (1.8)

B+

100

88Y

87.9095011 (20)

 

106.65

d

-84,299.1 (1.8)

8,682.54 (2.1)

B+

100

89Y

88.9058483 (27)

100

stable

 

-87,701.7 (2.6)

8,713.90 (2.9)

 

 

90Y

89.9071519 (27)

 

64

h

-86,487.5 (2.6)

8,693.27 (2.8)

B-

100

91Y

90.9073048 (31)

 

58.51

d

-86,345.0 (2.9)

8,684.87 (3.2)

B-

100

92Y

91.9089491 (99)

 

3.54

h

-84,813.3 (9.3)

8,661.6 (1)

B-

100

93Y

92.909583 (11)

 

10.18

h

-84,223 (11)

8,648.9 (1.1)

B-

100

94Y

93.9115952 (77)

 

18.7

m

-82,348.5 (7.2)

8,622.77 (7.6)

B-

100

95Y

94.9128206 (78)

 

10.3

m

-81,207.1 (7.2)

8,604.95 (7.6)

B-

100

96Y

95.915891 (25)

 

5.34

s

-78,347 (23)

8,569.6 (2.4)

B-

100

97Y

96.918134 (13)

 

3.75

s

-76,258 (12)

8,542.9 (1.2)

B-

100

98Y

97.922203 (26)

 

548

ms

-72,467 (25)

8,499.4 (2.5)

B-

100

99Y

98.924636 (26)

 

1.47

s

-70,201 (24)

8,472.2 (2.5)

B-

100

100Y

99.927757 (84)

 

735

ms

-67,294 (79)

8,439.1 (7.9)

B-

100

101Y

100.93031 (10)

 

426

ms

-64,912 (95)

8,411.9 (9.4)

B-

100

102Y

101.933556 (93)

 

300

ms

-61,892 (86)

8,379.0 (8.5)

B-

100

103Y

102.93673 (32)

 

224

ms

-58,940 (300)

8,347 (3)

B-

100

104Y

103.94105 (43)

 

180

ms

-54,910 (400)

8,306 (4)

B-

100

105Y

104.94487 (54)

 

60

ms

-51,350 (500)

8,270 (5)

B- ?

 

106Y

105.94979 (75)

 

50

ms

-46,770 (700)

8,225 (7)

B- ?

 

107Y

106.95414 (54)

 

30

ms

-42,720 (500)

8,185 (5)

B- ?

 

108Y

107.95948 (86)

 

20

ms

-37,740 (800)

8,138 (7)

B- ?

 

78mY

77.94361 (43)

 

5.8

s

-52,530 (400)

8,354 (5)

B+

100

80mY

79.93428 (19)

 

4.8

s

-61,220 (180)

8,455 (2.2)

IT

81 2

82mY

81.92679 (11)

 

268

ns

-68,190 (100)

8,531 (1.3)

IT

100

83mY

82.922354 (48)

 

2.85

m

-72,327 (44)

8,575.1 (5.3)

B+

60 5

84mY

83.920388 (98)

 

39.5

m

-74,158 (91)

8,591 (1.1)

B+

100

85mY

84.916433 (20)

 

4.86

h

-77,842 (19)

8,628.1 (2.2)

B+~100

 

86mY

85.914886 (15)

 

48

m

-79,284 (14)

8,638.4 (1.6)

IT

99.31 4

87mY

86.9108757 (17)

 

13.37

h

-83,018.7 (1.6)

8,674.85 (1.8)

IT

98.43 10

88mY

87.9095011 (20)

 

13.9

ms

-84,299.1 (1.8)

8,682.54 (2.1)

IT

100

89mY

88.9058483 (27)

 

15.663

s

-87,701.7 (2.6)

8,713.90 (2.9)

IT

100

90mY

89.9071519 (27)

 

3.19

h

-86,487.5 (2.6)

8,693.27 (2.8)

IT~100

 

91mY

90.9073048 (31)

 

49.71

m

-86,345.0 (2.9)

8,684.87 (3.2)

IT>98.5

 

93mY

92.909583 (11)

 

820

ms

-84,223 (11)

8,648.9 (1.1)

IT

100

96mY

95.915891 (25)

 

9.6

s

-78,347 (23)

8,569.6 (2.4)

B-

100

97mY

96.918134 (13)

 

1.17

s

-76,258 (12)

8,542.9 (1.2)

B->99.3

 

98mY

97.922203 (26)

 

2

s

-72,467 (25)

8,499.4 (2.5)

B-

?

99mY

98.924636 (26)

 

8.6

us

-70,201 (24)

8,472.2 (2.5)

IT

100

100mY

99.927757 (84)

 

940

ms

-67,294 (79)

8,439.1 (7.9)

B-

100

102mY

101.933556 (93)

 

360

ms

-61,892 (86)

8,379.0 (8.5)

B-

100

80m1Y

79.93428 (19)

 

4.7

us

-61,220 (180)

8,455 (2.2)

IT

100

86m1Y

85.914886 (15)

 

125

ns

-79,284 (14)

8,638.4 (1.6)

IT

100

88m1Y

87.9095011 (20)

 

300

us

-84,299.1 (1.8)

8,682.54 (2.1)

0

 

97m1Y

96.918134 (13)

 

142

ms

-76,258 (12)

8,542.9 (1.2)

IT GE 80

 

98m1Y

97.922203 (26)

 

7.6

us

-72,467 (25)

8,499.4 (2.5)

IT

100

98m2Y

97.922203 (26)

 

620

ns

-72,467 (25)

8,499.4 (2.5)

IT

100

 

Data Source: ENSDF March 2005

©Radiochemistry Society 2005