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Determination of the characteristic limits (decision threshold, detection limit and limits of the coverage interval) for measurements of ionizing radiation - Fundamentals and application - Part 4: Guidelines to applications
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NORM herausgegeben am 1.1.2024
Bezeichnung normen: ČSN EN ISO 11929-4
Zeichen: 404400
Katalog-Nummer: 518226
Ausgabedatum normen: 1.1.2024
SKU: NS-1161708
Zahl der Seiten: 112
Gewicht ca.: 367 g (0.81 Pfund)
Land: Tschechische technische Norm
Kategorie: Technische Normen ČSN
This document 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
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