Abstract
The method for calculating the decision threshold as given by the ISO 11929:2010 standard is not compatible with the definition of the decision threshold given in the same standard. The additional requirement in the method of calculation, that the decision threshold is evaluated at the conventional value of the measurand zero, should be included in the definition. Therefore, a modified definition of the decision threshold that is compatible with the method used for the calculation is proposed.
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References
ISO 11929 (2010) Determination of the characteristic limits (decision threshold, detection limit and limits of the confidence interval) for measurements of ionizing radiation—Fundamentals and application. Internationl Organization for Standardization, Geneva
ISO Guide 99 (2007) International vocabulary of metrology—basic and general concepts and associated terms (VIM). http://bipm.org/vim
Currie LA (1968) Limits of qualitative detection and quantitative determination—application to radiochemistry. Anal Chem 40:586–593
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Glavič-Cindro, D., Korun, M., Vodenik, B. et al. On the definition of the decision threshold as stated in the standard ISO 11929. Accred Qual Assur 21, 433–435 (2016). https://doi.org/10.1007/s00769-016-1235-7
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DOI: https://doi.org/10.1007/s00769-016-1235-7