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Measurement of Radionuclides<br />
Radionuclides are typically easily<br />
ionized and the spectrum is free<br />
from overlaps and<br />
backgrounds, so LOD’s in the pg/L<br />
(ppq) range are achieved<br />
Page 16<br />
Scan of 1ppt 237Np standard, showing high<br />
sensitivity and low random<br />
background g<br />
Left: Calibration for<br />
radionuclides is easily<br />
achieved at sub ng/L (ppt)<br />
levels, even with standard<br />
sample p introduction ( (U<br />
used for illustration)<br />
ESAC April 2008