Please use this identifier to cite or link to this item: https://apo.ansto.gov.au/dspace/handle/10238/927
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dc.contributor.authorUrquhart, DFen_AU
dc.date.accessioned2007-11-22T04:34:53Zen_AU
dc.date.accessioned2010-04-30T04:42:34Z-
dc.date.available2007-11-22T04:34:53Zen_AU
dc.date.available2010-04-30T04:42:34Z-
dc.date.issued1986-05en_AU
dc.identifier.citationUrquhart, D. F (1986). Calibration and operation of the AAEC working standard of measurement for the activity of radionuclides, Part 1 - the measurement system. (AAEC/E627). Lucas Heights, NSW: Australian Atomic Energy Commission.-
dc.identifier.govdoc936-
dc.identifier.isbn0642598312en_AU
dc.identifier.otherAAEC-E-627en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/927en_AU
dc.description.abstractA pressurised 4 pi gamma ionisation chamber is used by the AAEC as a working standard of measurement for the activity of radionuclides. The instrument has a high degree of stability and the uncertainty in its activity measurements is only marginally greater than that of the primary standards used in its calibration. This report details the method of calibration for a set of known standardised isotopes and extends the usage of the ion chamber to other isotopes by an interpolation technique. Particular attention is paid to eliminating changes in calibration due to instrumental variations with time. The measurement system is straightforward in operation giving best results for gamma emitting isotopes with energies above 200 keV and minimum activity of the order of 1 MBq.en_AU
dc.language.isoen_auen_AU
dc.publisherAustralian Atomic Energy Commissionen_AU
dc.subjectAAEC-
dc.subjectCalibration standards-
dc.subjectCesium-
dc.subjectGamma radiation-
dc.subjectRadioactivity-
dc.titleCalibration and operation of the AAEC working standard of measurement for the activity of radionuclides, Part 1 - the measurement system.en_AU
Appears in Collections:Scientific and Technical Reports

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