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  • BSI
    BS EN ISO 21068-4:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - XRD methods
    Edition: 2024
    $313.97
    / user per year

Description of BS EN ISO 21068-4:2024 2024

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.

Standard NumberBS EN ISO 21068-4:2024
TitleChemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - XRD methods
StatusDefinitive
Publication Date2024-06-21
Identical National Standard OfEN ISO 21068-4, ISO 21068-4:2024
DescriptorsChemical analysis and testing, Raw materials, Refractory metals, Silicon carbide, Silicon-containing alloys, Nitrides
ICS81.080 Refractories
CommitteeRPI/1
ISBN978 0 539 20094 2
PublisherBSI
Pages20

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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