Boron Isotopic Data

 

 

 

Isotope

 

Isotopic Mass

amu

 

% Abundance

 

T1/2

 

T1/2

Units

 

Mass Excess

KeV

 

Binding Energy

Per Nucleon

KeV

 

Decay

Mode

 

Branching

Ratio

6B

6.04681 (75)

 

p-unst

 

43,600 (700)

200 (120)

2p ?

 

7B

7.029918 (76)

 

350

ys

27,868 (71)

3,530 (10)

p

100

8B

8.0246072 (11)

 

770

ms

22,921.5 (1)

4,717.2 (1.2)

B+

100

9B

9.0133288 (11)

 

800

zs

12,415.68 (98)

6,257.2 (1.1)

p

100

10B

10.01293699 (41)

19.9 (7)

stable

 

12,050.73 (39)

6,475.07 (3.9)

 

 

11B

11.00930541 (45)

80.1 (7)

stable

 

8,667.93 (42)

6,927.71 (3.8)

 

 

12B

12.0143521 (15)

 

20.2

ms

13,368.9 (1.4)

6,631.3 (1.2)

B-

100

13B

13.0177802 (12)

 

17.33

ms

16,562.2 (1.1)

6,496.40 (8.3)

B-

100

14B

14.025404 (23)

 

12.5

ms

23,664 (21)

6,102 (1.5)

B-

100

15B

15.031103 (24)

 

9.87

ms

28,972 (22)

5,879 (1.5)

B-

100

16B

16.039809 (64)

 

<190

ps

37,082 (60)

5,509 (3.8)

n ?

 

17B

17.04699 (18)

 

5.08

ms

43,770 (170)

5,270 (10)

B-

100

18B

18.05617 (86)

 

<26

ns

52,320 (800)

4,950 (45)

n ?

 

19B

19.06373 (43)

 

2.92

ms

59,360 (400)

4,740 (21)

B-

100

 

Data Source: ENSDF March 2005

©Radiochemistry Society 2005