ISO 4787-2021 实验室玻璃仪器--量器--容量的校准和使用方法 Laboratory glass and plastic ware — Volumetric instruments — Methods for testing of capacity and for use

This document provides methods for the testing, calibration and use of volumetric instruments made from glass and plastic in order to obtain the best accuracy in use.
NOTE Testing is the process by which the conformity of the individual volumetric instrument with the appropriate standard is determined, resulting in the determination of its error of measurement at one or more points.d edition 2021-11 Laboratory glass and plastic ware — Volumetric instruments — Methods for testing of capacity and for use Verrerie et matériel en plastique de laboratoire — Instruments volumétriques — Méthodes d'essai de la capacité et d'utilisation Reference number ISO 4787:2021(E) ？ ISO 2021 ISO 4787:2021(E) COPYRIGHT PROTECTED DOCUMENT ？ ISO 2021