ISO/TR 20461:2023

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ISO/TR 20461:2023 is a technical report from the International Organization for Standardization (ISO) that provides guidance on evaluating uncertainty for volume measurements using the gravimetric method with a piston-operated volumetric apparatus (POVA). It builds upon previous standards like ISO 8655-6 and ISO 8655-7 and focuses on improving the reliability of volume measurements in this context.