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Lead 210

Chemical Symbol: Pb-210 Half-Life: 22.2 years
Atomic Number: 82 Decay Constant: 0.031223 years-1
Mass Number: 210 (128 neutrons) Decay Mode: Beta
U.S. NRC Exempt Quantity Limit: 0.01 μCi (0.37 kBq) IAEA Exempt Quantity Limit: 0.27 μCi (10 kBq)

Gammas From Pb-210

Energy (keV)

Intensity (%)
46.539

4.25

X-rays From Pb-210

Energy (keV)

Intensity (%)

Assignment

9.420

0.49 Bi Ll
10.731 0.97

Bi Lα2

10.839

8.6 Bi Lα1
11.712 0.083

Bi Lh

12.480

0.137 Bi Lβ6
12.691 2.2

Bi Lβ4

12.967

2.15 Bi Lβ2
13.023 3.53

Bi Lβ1

13.211

2.6 Bi Lβ3
13.393 0.299

Bi Lβ5

15.247

0.75 Bi Lγ1
15.582 0.76

Bi Lγ2

15.685

0.137 Bi Lγ6
15.709 0.94

Bi Lγ3

Betas From Pb-210

End-Point Energy (keV)

Intensity (%)

16.96

84
63.5

16

Alphas From Pb-210

Energy (keV)

Intensity (%)
3720

100

 

Reference(s):

  • Health Physics and Radiological Health, 4th Edition by Thomas E. Johnson PhD, Brian K. Birky Ph.D.
  • National Nuclear Data Center database – http://www.nndc.bnl.gov/
  • Table of Radioactive Isotopes (ToRI) database – http:/nucleardata.nuclear.lu.se/nucleardata/toi/

 

Prepared by:

Spectrum Techniques, LLC.