本文件描述了使用Bragg-Brentano衍射仪测定氮化物和氮氧化物结合碳化硅耐火材料产品中典型矿物相的方法。 它包括样品制备的细节以及矿物相组成定性和定量分析的一般原则。本文描述了α-Si3N4、β-Si3N4，Si2ON2，AlN和β'-SiAlON的定量测定。 描述了基于样品总氮含量的α-Si3N4、β/Si3N4、Si2ON2、AlN和β'-SiAlON精炼程序的定量测定。 注:ISO 21068-3用于分析样品的总氮含量。

This document describes methods for the determination of mineralogical phases typically apparent in nitride and oxy-nitride bonded silicon carbide refractory products using a Bragg-Brentano diffractometer. It includes details of sample preparations and general principles for qualitative and quantitative analyses of mineralogical phase composition. Quantitative determination of α-Si3N4, β-Si3N4, Si2ON2, AlN, and β’- SiAlON are described. For quantitative determination of α-Si3N4, β-Si3N4, Si2ON2, AlN and β’-SiAlON refinement procedures based on the total nitrogen content of the sample are described. NOTE            ISO 21068-3 is used for the analysis of the total nitrogen content of the sample.