Ruthenium Isotopic Data

 

 

 

Isotope

 

Isotopic Mass

amu

 

% Abundance

 

T1/2

 

T1/2

Units

 

Mass Excess

KeV

 

Binding Energy

Per Nucleon

KeV

 

Decay

Mode

 

Branching

Ratio

87Ru

86.94918 (64)

 

50

ms

-47,340 (600)

8,220 (7)

B+ ?

 

88Ru

87.94026 (43)

 

1.3

s

-55,650 (400)

8,313 (5)

B+

100

89Ru

88.93611 (54)

 

1.38

s

-59,510 (500)

8,353 (6)

B+

100

90Ru

89.92989 (32)

 

11

s

-65,310 (300)

8,414 (3)

B+

100

91Ru

90.92629 (63)

 

9

s

-68,660 (580)

8,448 (6)

B+

100

92Ru

91.92012 (32)

 

3.65

m

-74,410 (300)

8,506 (3)

B+

100

93Ru

92.917052 (91)

 

59.7

s

-77,266 (85)

8,532.0 (9.2)

B+

100

94Ru

93.911360 (14)

 

51.8

m

-82,568 (13)

8,583.5 (1.4)

B+

100

95Ru

94.910413 (13)

 

1.643

h

-83,450 (12)

8,587.4 (1.2)

B+

100

96Ru

95.9075978 (85)

5.54 (14)

stable

 

-86,072.1 (7.9)

8,609.33 (8.2)

 

 

97Ru

96.9075547 (90)

 

2.9

d

-86,112.2 (8.4)

8,604.19 (8.6)

B+

100

98Ru

97.9052871 (67)

1.87 (3)

stable

 

-88,224.5 (6.3)

8,620.31 (6.4)

 

 

99Ru

98.9059393 (22)

12.76 (14)

stable

 

-87,617.0 (2)

8,608.63 (2)

 

 

100Ru

99.9042195 (22)

12.60 (7)

stable

 

-89,219.0 (2)

8,619.27 (2)

 

 

101Ru

100.9055821 (22)

17.06 (2)

stable

 

-87,949.7 (2)

8,601.28 (2)

 

 

102Ru

101.9043493 (22)

31.55 (14)

stable

 

-89,098.0 (2)

8,607.34 (2)

 

 

103Ru

102.9063238 (22)

 

39.26

d

-87,258.8 (2)

8,584.28 (2)

B-

100

104Ru

103.9054327 (34)

18.62 (27)

stable

 

-88,088.9 (3.1)

8,587.33 (3)

 

 

105Ru

104.9077529 (34)

 

4.44

h

-85,927.7 (3.1)

8,561.84 (3)

B-

100

106Ru

105.9073294 (81)

 

373.59

d

-86,322.1 (7.5)

8,560.93 (7.1)

B-

100

107Ru

106.90991 (13)

 

3.75

m

-83,920 (120)

8,534 (1.2)

B-

100

108Ru

107.91017 (12)

 

4.55

m

-83,670 (120)

8,527 (1.1)

B-

100

109Ru

108.913203 (71)

 

34.5

s

-80,851 (66)

8,497.3 (6.1)

B-

100

110Ru

109.914136 (57)

 

11.6

s

-79,982 (53)

8,485.5 (4.8)

B-

100

111Ru

110.917696 (79)

 

2.12

s

-76,666 (74)

8,451.9 (6.6)

B-

100

112Ru

111.918965 (79)

 

1.75

s

-75,484 (74)

8,437.9 (6.6)

B-

100

113Ru

112.922487 (75)

 

800

ms

-72,203 (70)

8,405.6 (6.2)

B-

100

114Ru

113.92428 (25)

 

530

ms

-70,530 (230)

8,388 (2)

B-

100

115Ru

114.92869 (14)

 

740

ms

-66,430 (130)

8,350 (1.1)

B-

100

116Ru

115.93081 (75)

 

400

ms

-64,450 (700)

8,330 (6)

B- ?

 

117Ru

116.93558 (75)

 

300

ms

-60,010 (700)

8,290 (6)

B- ?

 

118Ru

117.93782 (86)

 

200

ms

-57,920 (800)

8,270 (7)

B- ?

 

119Ru

118.94284 (75)

 

170

ms

-53,240 (700)

8,229 (6)

B- ?

 

120Ru

119.94531 (86)

 

80

ms

-50,940 (800)

8,209 (7)

B- ?

 

91mRu

90.92629 (63)

 

7.6

s

-68,660 (580)

8,448 (6)

B+~100

 

93mRu

92.917052 (91)

 

10.8

s

-77,266 (85)

8,532.0 (9.2)

B+

78.0 23

94mRu

93.911360 (14)

 

71

us

-82,568 (13)

8,583.5 (1.4)

IT

100

101mRu

100.9055821 (22)

 

17.5

us

-87,949.7 (2)

8,601.28 (2)

IT

100

103mRu

102.9063238 (22)

 

1.69

ms

-87,258.8 (2)

8,584.28 (2)

IT

100

113mRu

112.922487 (75)

 

510

ms

-72,203 (70)

8,405.6 (6.2)

IT

?

93m1Ru

92.917052 (91)

 

2.2

us

-77,266 (85)

8,532.0 (9.2)

IT

100

 

Data Source: ENSDF March 2005

©Radiochemistry Society 2005