Technetium Isotopic Data

 

 

 

Isotope

 

Isotopic Mass

amu

 

% Abundance

 

T1/2

 

T1/2

Units

 

Mass Excess

KeV

 

Binding Energy

Per Nucleon

KeV

 

Decay

Mode

 

Branching

Ratio

85Tc

84.94883 (43)

 

<110

ns

-47,670 (400)

8,236 (5)

p ?

 

86Tc

85.94288 (32)

 

55

ms

-53,210 (300)

8,299 (3)

B+

100

87Tc

86.93653 (32)

 

2.18

s

-59,120 (300)

8,364 (3)

B+

100

88Tc

87.93268 (22)

 

5.8

s

-62,710 (200)

8,402 (2)

B+

100

89Tc

88.92717 (22)

 

12.8

s

-67,840 (200)

8,456 (2)

B+

100

90Tc

89.92356 (26)

 

8.7

s

-71,210 (240)

8,489 (2.7)

B+

100

91Tc

90.91843 (22)

 

3.14

m

-75,980 (200)

8,537 (2.2)

B+

100

92Tc

91.915260 (28)

 

4.25

m

-78,935 (26)

8,563.6 (2.8)

B+

100

93Tc

92.9102490 (42)

 

2.75

h

-83,602.5 (3.9)

8,608.54 (4.2)

B+

100

94Tc

93.9096570 (48)

 

293

m

-84,154.0 (4.5)

8,608.69 (4.8)

B+

100

95Tc

94.9076571 (58)

 

20

h

-86,016.9 (5.4)

8,622.64 (5.7)

B+

100

96Tc

95.9078714 (59)

 

4.28

d

-85,817.3 (5.5)

8,614.82 (5.7)

B+

100

97Tc

96.9063654 (49)

 

2.6

My

-87,220.1 (4.5)

8,623.68 (4.7)

EC

100

98Tc

97.9072160 (41)

 

4.2

My

-86,427.8 (3.8)

8,609.96 (3.9)

B-

100

99Tc

98.9062547 (21)

 

211.1

ky

-87,323.1 (2)

8,613.56 (2)

B-

100

100Tc

99.9076578 (24)

 

15.8

s

-86,016.2 (2.2)

8,595.07 (2.2)

B-~100

 

101Tc

100.907315 (26)

 

14.22

m

-86,336 (24)

8,593.0 (2.4)

B-

100

102Tc

101.909215 (10)

 

5.28

s

-84,565.7 (9.4)

8,570.58 (9.2)

B-

100

103Tc

102.909181 (11)

 

54.2

s

-84,597 (10)

8,566.04 (9.7)

B-

100

104Tc

103.911447 (49)

 

18.3

m

-82,486 (46)

8,541.0 (4.4)

B-

100

105Tc

104.911661 (59)

 

7.6

m

-82,288 (55)

8,534.6 (5.2)

B-

100

106Tc

105.914358 (14)

 

35.6

s

-79,775 (13)

8,506.5 (1.3)

B-

100

107Tc

106.91508 (16)

 

21.2

s

-79,100 (150)

8,496 (1.4)

B-

100

108Tc

107.91846 (14)

 

5.17

s

-75,950 (130)

8,463 (1.2)

B-

100

109Tc

108.91998 (10)

 

860

ms

-74,536 (96)

8,446.5 (8.8)

B-

100

110Tc

109.923820 (82)

 

920

ms

-70,961 (77)

8,410.6 (7)

B-

100

111Tc

110.92569 (12)

 

290

ms

-69,220 (110)

8,391.8 (9.8)

B-

100

112Tc

111.92915 (13)

 

290

ms

-66,000 (120)

8,360 (1.1)

B-

100

113Tc

112.93159 (32)

 

170

ms

-63,720 (300)

8,338 (3)

B-

100

114Tc

113.93588 (64)

 

150

ms

-59,730 (600)

8,300 (5)

B-

100

115Tc

114.93869 (75)

 

100

ms

-57,110 (700)

8,275 (6)

B- ?

 

116Tc

115.94337 (75)

 

90

ms

-52,750 (700)

8,236 (6)

B- ?

 

117Tc

116.94648 (75)

 

40

ms

-49,850 (700)

8,210 (6)

B- ?

 

118Tc

117.95148 (97)

 

30

ms

-45,200 (900)

8,169 (8)

B- ?

 

86mTc

85.94288 (32)

 

1.11

us

-53,210 (300)

8,299 (3)

IT

100

87mTc

86.93653 (32)

 

2

s

-59,120 (300)

8,364 (3)

B+ ?

 

88mTc

87.93268 (22)

 

6.4

s

-62,710 (200)

8,402 (2)

B+

100

89mTc

88.92717 (22)

 

12.9

s

-67,840 (200)

8,456 (2)

B+~100

 

90mTc

89.92356 (26)

 

49.2

s

-71,210 (240)

8,489 (2.7)

B+

100

91mTc

90.91843 (22)

 

3.3

m

-75,980 (200)

8,537 (2.2)

B+>99

 

92mTc

91.915260 (28)

 

1.03

us

-78,935 (26)

8,563.6 (2.8)

IT

100

93mTc

92.9102490 (42)

 

43.5

m

-83,602.5 (3.9)

8,608.54 (4.2)

IT

76.6 11

94mTc

93.9096570 (48)

 

52

m

-84,154.0 (4.5)

8,608.69 (4.8)

B+~100

 

95mTc

94.9076571 (58)

 

61

d

-86,016.9 (5.4)

8,622.64 (5.7)

B+

96.12 32

96mTc

95.9078714 (59)

 

51.5

m

-85,817.3 (5.5)

8,614.82 (5.7)

IT

98.0 5

97mTc

96.9063654 (49)

 

90.1

d

-87,220.1 (4.5)

8,623.68 (4.7)

IT~100

 

98mTc

97.9072160 (41)

 

14.7

us

-86,427.8 (3.8)

8,609.96 (3.9)

IT

100

99mTc

98.9062547 (21)

 

6.015

h

-87,323.1 (2)

8,613.56 (2)

IT~100

 

100mTc

99.9076578 (24)

 

8.32

us

-86,016.2 (2.2)

8,595.07 (2.2)

0

 

101mTc

100.907315 (26)

 

636

us

-86,336 (24)

8,593.0 (2.4)

IT

100

102mTc

101.909215 (10)

 

4.35

m

-84,565.7 (9.4)

8,570.58 (9.2)

B-

98 2

104mTc

103.911447 (49)

 

3.5

us

-82,486 (46)

8,541.0 (4.4)

IT

100

107mTc

106.91508 (16)

 

184

ns

-79,100 (150)

8,496 (1.4)

IT

100

93m1Tc

92.9102490 (42)

 

10.2

us

-83,602.5 (3.9)

8,608.54 (4.2)

0

 

100m1Tc

99.9076578 (24)

 

3.2

us

-86,016.2 (2.2)

8,595.07 (2.2)

0

 

 

Data Source: ENSDF March 2005

©Radiochemistry Society 2005