本文件规定了基于碳化硅的磨粒和原油的化学分析。适用于测定磨料颗粒的表面杂质，以及当碳化硅含量大于95%（质量分数）时测定粉碎原油中的碳化硅含量。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies the chemical analysis of silicon-carbide-based abrasive grains and crudes. It is applicable for the determination of the surface impurities of abrasives grains and the determination of the SiC content of crushed crude when the silicon carbide content is greater than 95 % (mass fraction).All current amendments available at time of purchase are included with the purchase of this document.