BSI PD CEN/TR 17421:2019

Current Consolidated
Animal feeding stuffs: Methods of sampling and analysis. Recommendations for the organization and evaluation of collaborative studies for multi-analyte methods of analysis

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BSI PD CEN/TR 17421:2019

Animal feeding stuffs: Methods of sampling and analysis. Recommendations for the organization and evaluation of collaborative studies for multi-analyte methods of analysis

PUBLISH DATE 2019
PAGES 16
BSI PD CEN/TR 17421:2019

This document provides guidance to study organizers involved in designing, executing and evaluating collaborative studies for multi-analyte methods developed by the various working groups of the CEN/TC 327 β€œAnimal feeding stuffs: Methods of sampling and analysis”.

The main goal of such studies is to determine the *reproducibility standard deviations* for the analytes investigated in the selected matrices. They are calculated from the repeatability and the between-laboratory standard deviations determined from the study data.

An additional goal may be the determination of the *trueness* (whenever possible).

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