BS ISO 11929-3:2019 Determination of the characteristic limits (decision threshold, detection limit and limits of the coverage interval) for measurements of ionizing radiation. Fundamentals and application. Applications to unfolding methods

BS ISO 11929-3:2019

Determination of the characteristic limits (decision threshold, detection limit and limits of the coverage interval) for measurements of ionizing radiation. Fundamentals and application. Applications to unfolding methods

Status : Current   Published : February 2019

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What is this standard about?

The ISO 11929 series specifies a procedure, in the field of ionizing radiation metrology, for the calculation of the “decision threshold”, the “detection limit” and the “limits of the coverage interval” for a non-negative ionizing radiation measurand when counting measurements with preselection of time or counts are carried out. The measurand results from a gross count rate and a background count rate as well as from further quantities on the basis of a model of the evaluation. In particular, the measurand can be the net count rate as the difference of the gross count rate and the background count rate, or the net activity of a sample. It can also be influenced by calibration of the measuring system, by sample treatment and by other factors.

This document deals with the evaluation of measurements using unfolding methods and counting spectrometric multi-channel measurements if evaluated by unfolding methods, in particular, for alpha- and gamma‑spectrometric measurements. Further, it provides some advice on how to deal with correlations and covariances.




Standard NumberBS ISO 11929-3:2019
TitleDetermination of the characteristic limits (decision threshold, detection limit and limits of the coverage interval) for measurements of ionizing radiation. Fundamentals and application. Applications to unfolding methods
StatusCurrent
Publication Date14 February 2019
Normative References(Required to achieve compliance to this standard)JCGM 100:2008, ISO 3534-1, JCGM 102:2011, ISO/IEC Guide 99, ISO 80000-10, ISO/IEC Guide 98-3-2, ISO/IEC Guide 98-3, ISO 80000-1, JCGM 101:2008, ISO/IEC Guide 98-3-1
Informative References(Provided for Information)ISO 18589 (all parts), ISO 10703, ISO 7503 (all parts), ISO 28218, ISO 11665 (all parts), ISO 9697, ISO 9696, ISO 9698
ReplacesBS ISO 11929:2010
International RelationshipsISO 11929-3:2019
Draft Superseded By17/30347911 DC
DescriptorsFilters, Exposure-rate meters, Error analysis, Radiation measurement, Statistics, Ionizing radiation, Gamma-radiation, Radioactive materials, Statistical data, Radiation protection, Counting, Analogue circuits, Spectroscopy, Confidence limits, Statistical distribution, Radioactivity, Nuclear radiation, Statistical methods of analysis, Errors, Probability theory
ICS17.240
Title in FrenchDétermination des limites caractéristiques (seuil de décision, limite de détection et extrémités de l'intervalle élargi) pour mesurages de rayonnements ionisants. Principes fondamentaux et applications Applications aux méthodes de déploiement
CommitteeNCE/2
ISBN978 0 580 95620 1
PublisherBSI
FormatA4
DeliveryYes
Pages48
File Size2.622 MB
Price£240.00


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