DIN EN 17289-1-2021 散装材料的表征. 粒度加权细粒部分和结晶二氧化硅含量的测定. 第1部分: 一般信息和试验方法的选择; 德文版 EN 17289-1-2020
Characterization of bulk materials - Determination of a size-weighted fine fraction and crystalline silica content - Part 1: General information and choice of test methods; German version EN 17289-1:2020
The purpose of this document is to allow users to evaluate bulk materials with regard to theamount of fine fraction of potentially hazardous substances, especially crystalline silica. This Part1 describes the requirements and choice of test method. It provides the user with guida