ISO 11929:2010
致电离辐射测量用特性限值(判断阈、探测限值和置信区间限值)的测定.基本原则和应用

Determination of the characteristic limits (decision threshold, detection limit and limits of the confidence interval) for measurements of ionizing radiation - Fundamentals and application

标准号

ISO 11929:2010

发布

2010年

发布单位

国际标准化组织

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ISO 11929:2010

 

 

引用标准

ISO 31-0 ISO 31-9 ISO 3534-1 ISO/IEC Guide 98-3:2008 ISO/IEC Guide 99:2007

适用范围

This International Standard 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 confidence interval” for a nonnegative ionizing radiation measurand, when counting measurements with preselection of time or counts are carried out, and 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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