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BS EN ISO 21068-4:2024

BS EN ISO 21068-4:2024

$102.76

Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon – XRD methods

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BSI 2024 20
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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 ?-Si3N4, ?-Si3N4, Si2ON2, AlN, and ?’- SiAlON are described. For quantitative determination of ?-Si3N4, ?-Si3N4, Si2ON2, AlN and ?’- 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.

PDF Catalog

PDF Pages PDF Title
2 undefined
10 6.1 Sample preparation
6.2 Measuring parameters
11 6.3 Qualitative analysis
6.4 Quantitative analysis
6.4.1 General
12 6.4.2 Calculation
15 7.1 Repeatability
7.2 Reproducibility

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BS EN ISO 21068-4:2024
$102.76