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ISO/TR 21074:2016

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

Publication date:   Oct 24, 2016

General information

90.92 Standard to be revised   Jul 29, 2024

ISO

ISO/TC 17/SC 1 Methods of determination of chemical composition

Technical Report

77.080.01   Ferrous metals in general | 17.020   Metrology and measurement in general

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Scope

ISO/TR 21074:2016 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 of ISO 5725‑3:1994, Table D.2 for the precision test in ISO 9647:1989 as an example.
The procedure of the international test for determining precision is described in ISO 5725‑2 and ISO 5725‑3.

Life cycle

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PUBLISHED
ISO/TR 21074:2016
90.92 Standard to be revised
Jul 29, 2024

REVISED BY

IN_DEVELOPMENT
ISO/CD TR 21074