A Nuclide Library
Nuclide Usage,
Severity,
Half Life
Description
241
Am
Am241
SNM
Threat
432 a
Americium has several isotopes and
241
Am is a ra-
dioactive isotope. It is a typical companion found in var-
ious plutonium nuclide compositions and therefore it is
regarded as threat. This nuclide can also be found in
components of smoke detectors, where a small ameri-
cium source acts as an ionizer.
18
F,
14
O,
15
O,
11
C,
13
N,
26
Al,
22
Na,
121
I,
others
, �+
IND, (MED)
Innocent
Several nuclides emit �+ particles. These particles may
recombine with negative particles in the detector ma-
terial, typically depositing a photo energy of 511 keV.
Some of these isotopes are used for positron emission
tomography (PET).
The radEAGLE displays the identification result �+ when
confronted with such a source because all sources
share the 511 keV line and cannot be differentiated fur-
ther (except
22
Na).
110m
Ag
Ag110m
IND
Innocent
250 d
Isotope of the chemical element silver. It has industrial
applications and may be found in scrap metals.
133
Ba
Ba133
IND
Innocent
10.75 a
Barium is used in some industrial applications and may
be used as test source. It has peaks relatively close to
239
Pu.
207
Bi
Bi207
MED
Innocent
32.9 a
Isotope that is a follow-up from the alpha decay of
211
At.
Sometimes found in medical applications, but mostly
used in industrial context.
109
Cd
Cd109
IND
Innocent
463 d
Cadmium is an industrially used radiation source.
to be continued…
© innoRIID GmbH • 2019-04-11 Software 3.2.12 • Document 3.3.0o 119/147
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