GSO ISO/TR 21074:2021

Gulf Standard   Current Edition
· Approved on 01 July 2021 ·

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

Metrology Sector
Metrology and measurement in general
Including measuring instruments in general, preferred numbers, standard measures, general aspects of reference materials, etc.
Ferrous metals in general

GSO ISO/TR 21074:2021 Files

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GSO ISO/TR 21074:2021 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.

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