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CEN
EN 12698-2:2007

EN 12698-2:2007

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Chemical analysis of nitride bonded silicon carbide refractories - Part 2: XRD methods

Withdrawn date

30-09-2007

Published date

28-03-2007

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Definitions
4 Apparatus
5 Sampling
6 Procedure
  6.1 Sample preparation
  6.2 Measuring parameters
  6.3 Qualitative analysis
  6.4 Quantitative analysis
7 Precision
  7.1 Repeatability
  7.2 Reproducibility
8 Test report
Annex A (normative) X-ray diffraction data for the
        determination of Beta'-SiAION content
  A.1 General
  A.3 Example of calculation of z-value for Beta'-SiAION
Bibliography

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.NOTEFor the refinement procedures the total nitrogen content, analysed in accordance with EN 12698-1 is needed.

Committee
CEN/TC 187
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Withdrawn

DIN EN ISO 21068-1:2008-12 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 1: General information and sample preparation (ISO 21068-1:2008)
ISO 17947:2014 Fine ceramics (advanced ceramics, advanced technical ceramics) — Methods for chemical analysis of fine silicon nitride powders
EN 12475-4:1998 Classification of dense shaped refractory products - Part 4: Special products
DIN EN 12698-1:2007-06 Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods
EN 12698-1:2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods
UNI EN ISO 21068-1 : 2008 CHEMICAL ANALYSIS OF SILICON-CARBIDE CONTAINING RAW MATERIALS AND REFRACTORY PRODUCTS - PART 1: GENERAL INFORMATION AND SAMPLE PREPARATION
BS ISO 17947:2014 Fine ceramics (advanced ceramics, advanced technical ceramics). Methods for chemical analysis of fine silicon nitride powders
BS EN 12698-1:2007 Chemical analysis of nitride bonded silicon carbide refractories Chemical methods
BS EN ISO 21068-1:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products General information and sample preparation
17/30327875 DC : DRAFT JAN 2017 BS ISO 16169 - PREPARATION OF SILICON CARBIDE AND SIMILAR MATERIALS FOR ANALYSIS BY ISO 12677 X-RAY FLUORESCENCE (XRF) - FUSED CAST-BEAD METHOD
I.S. EN ISO 21068-1:2008 CHEMICAL ANALYSIS OF SILICON-CARBIDE-CONTAINING RAW MATERIALS AND REFRACTORY PRODUCTS - PART 1: GENERAL INFORMATION AND SAMPLE PREPARATION
ISO 21068-1:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products — Part 1: General information and sample preparation
BS EN 12475-4:1999 Classification of dense shaped refractory products Special products
EN ISO 21068-1:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 1: General information and sample preparation (ISO 21068-1:2008)

ISO 5022:1979 Shaped refractory products — Sampling and acceptance testing
ISO 12677:2011 Chemical analysis of refractory products by X-ray fluorescence (XRF) Fused cast-bead method
EN 12698-1:2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods
ISO 565:1990 Test sieves — Metal wire cloth, perforated metal plate and electroformed sheet — Nominal sizes of openings
ISO 836:2001 Terminology for refractories
EN 12475-4:1998 Classification of dense shaped refractory products - Part 4: Special products
EN 955-2 : 1995 CHEMICAL ANALYSIS OF REFRACTORY PRODUCTS - PART 2: PRODUCTS CONTAINING SILICA AND/OR ALUMINA (WET METHOD)
EN ISO 12677:2011 Chemical analysis of refractory products by X-ray fluorescence (XRF) - Fused cast-bead method (ISO 12677:2011)
ENV 955-4 : 1997 CHEMICAL ANALYSIS OF REFRACTORY PRODUCTS - PRODUCTS CONTAINING SILICA AND/OR ALUMINA (ANALYSIS BY FLAME ATOMIC ABSORPTION SPECTROMETRY (FAAS) AND INDUCTIVELY COUPLED PLASMA ATOMIC EMISSION SPECTROGRAPHY ICP))
EN 725-3:2007 Advanced technical ceramics - Methods of test for ceramic powders - Part 3: Determination of the oxygen content of non-oxides by thermal extraction with a carrier gas
ISO 8656-1:1988 Refractory products — Sampling of raw materials and unshaped products — Part 1: Sampling scheme

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