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ISO/TR 20461:2023

Determination of uncertainty for volume measurements of a piston-operated volumetric apparatus using a gravimetric method ISO/TR 20461:2023

Publication date:   Feb 13, 2023

General information

60.60 Standard published   Feb 13, 2023

ISO

ISO/TC 48 Laboratory equipment

Technical Report

17.060   Measurement of volume, mass, density, viscosity

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Scope

This document gives detailed information regarding the evaluation of uncertainty for the gravimetric reference measurement procedure specified in ISO 8655-6[1] and the gravimetric procedure specified in ISO 8655-7:2022[1], Annex A, according to the ISO/IEC Guide 98-3[16].
This document also includes the determination of other uncertainty components related to the liquid delivery process of a piston-operated volumetric apparatus (POVA), e.g. repeatability and handling. Furthermore, it provides examples for the calculation and application of the uncertainty of the mean delivered volume and the uncertainty in use of a single delivered volume.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/TR 20461:2000

WITHDRAWN
ISO/TR 20461:2000/Cor 1:2008

NOW

PUBLISHED
ISO/TR 20461:2023
60.60 Standard published
Feb 13, 2023