标准摘要
[中文适用范围]： 本文件描述了具有可接受的粒度分布不确定性的球形多分散颗粒参考材料的规格，并描述了其表征的方案。 这些参考材料的潜在用途之一是激光衍射仪器和其他粒度测定方法的可靠性测试。 本文件表达了多分散性和相关的尺寸不确定性。 尺寸的微小变化可能意味着累积分布的巨大变化。 本文件描述了颗粒标准物质的要求，旨在用于测试各类粒度测量仪器的可靠性。 ISO 17034 中描述了本文件中未涉及的加工、均匀性和稳定性评估以及证书准备的要求。 [外文原描述]： This document describes the specifications for spherical polydisperse particulate reference materials with acceptable uncertainty in particle size distribution and describes protocols for their characterization. One potential use of these reference materials is the reliability test of the laser-diffraction instruments and other particle sizing methods. This document expresses polydispersity and the related uncertainties in size. Small variations in size can imply large variations in cumulative distribution. This document describes the requirements of particulate reference materials, which are intended to be used to test the reliability of various types of particle size measurement apparatus. The requirements for processing, homogeneity and stability assessment as well as for the preparation of certificates, which are not addressed in this document are described in ISO 17034.
英文名称Preparation of particulate reference materials — Part 2: Polydisperse spherical particles