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Uncertainty of measurement and legislative limits |
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| Authors: | E. Desimoni Saverio Mannino |
| Affiliation: | (1) DIFCA, Università degli Studi di Milano, Via Celoria 2, I-20133 Milano, Italy Tel.: +39-2-26607225 Fax: +39-2-2663057 e-mail: desimoni@unimi.it, IT;(2) DISTAM, Università degli Studi di Milano, Via Celoria 2, I-20133 Milano, Italy, IT |
| Abstract: | The uncertainty affecting analytical measurements has to be taken into account when evaluating compliance of suspect matrices to legislative limits. To this aim Type 1 and 2 errors must be considered. This necessarily leads to the evaluation of the minimum detectable inadmissible signal, from which the minimum detectable inadmissible concentration can be obtained. The signal of suspect matrices thus has to be compared with the minimum detectable inadmissible signal. This paper aims to discuss practical problems involved in the comparison. |
| Keywords: | Measurement uncertainty Legislative limits α and β errors Compliance |
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