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>BSI Standards >71 CHEMICAL TECHNOLOGY>71.040 Analytical chemistry>71.040.40 Chemical analysis>BS EN 12698-2:2007 Chemical analysis of nitride bonded silicon carbide refractories XRD methods
immediate downloadReleased: 2007-05-31
BS EN 12698-2:2007 Chemical analysis of nitride bonded silicon carbide refractories XRD methods

BS EN 12698-2:2007

Chemical analysis of nitride bonded silicon carbide refractories XRD methods

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Standard number:BS EN 12698-2:2007
Pages:16
Released:2007-05-31
ISBN:978 0 580 50666 6
Status:Standard
DESCRIPTION

BS EN 12698-2:2007


This standard BS EN 12698-2:2007 Chemical analysis of nitride bonded silicon carbide refractories is classified in these ICS categories:
  • 81.080 Refractories
  • 71.040.40 Chemical analysis
This standard 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 preparation and general principles for qualitative and quantitative analysis of mineralogical phase composition. Quantitative determination of ?-Si3N4, ?-Si3N4, Si2ON2, AlN, and SiAlON are described. NOTE For the refinement procedures the total nitrogen content, analysed in accordance with EN 12698-1 is needed.
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