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IEEE N42.25
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IEEE N42.25 1997 Edition, January 1, 1997 American National Standard Calibration and Usage of Alpha/Beta Proportional Counters
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Description / Abstract:
This standard establishes methods for the calibration and use of
gas proportional counters with and without active guard detectors.
This standard also establishes methods for measuring the alpha and
beta counting plateau, crosstalk factors, background, alpha and
beta efficiency from prepared standards, correction factors for
samples whose self-attenuation or mass differs from that of the
standard, and calculation of the sample activities together with
their random and total uncertainties. Correction for pulse pileup
due to high count rate is also discussed. Although many principles
articulated in this standard apply to the counting of radionuclides
emitting a maximum beta energy below 100 keV as well, the counting
of these low-energy beta emitters requires a higher degree of
attention to detail in sample preparation, instrument calibration,
and measurement correction factors than addressed in this standard.
Therefore, this standard is intended for measuring radionuclides
with maximum beta energies above 100 keV.