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RE: radioactive beads



In order to some other requests I will give you our  gamma spectrometer 
results of a natural uranium specimen from "Ellweiler" (in former days: 
eastern germany) near the czech republic:
Measuring time: 15 h

Nuclide        Energy (keV)   Distribution
U238      113.5          2.53E-01
Th234          63,3      2.53E-01
Pa234m         1001.0         2.53E-01
U234      53.2      1.74E-01
Th230          67.7      3.28E-01
Ra226          186.1          2.74E-02
Pb214          609.3          1.12E-03
Bi 214         295.2          8.67E-04
Pb210          46.5      843E-04
U235      143.8          1.01E-03
Th231          84.2      1.01E-03
Pa231          330.0          8.93E-04
Th227          50.1      8.93E-04

Peter Hewing
Siemens Power Generation Group(KWU)
Department RB4(Decommissioning, Radiation Protection)
PO-Box 1240
D-63787 Karlstein/Germany
Tel. 49-6188-780-251
Fax. 49-6188-780-690
E-Mail: hewin00p@offb13.kwu.siemens.de