ISO/NP TS 21074.2

Application of ISO 5725 for the determination of repeatability and reproducibility of precision tests performed in standardization work for chemical analysis of steel

Scope

This document describes how to determine the repeatability and reproducibility of precision tests performed within standardization work using the chemical analysis method. Specifically, this document explains the procedure for calculating precision, using precision test data in ISO 4943:2022 as an example. The procedure of the international test for determining precision is described in ISO 5725-2, ISO 5725-3, ISO 5725-4.