EN 12698-1:2007

Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods

This standard describes the methods for the analysis of all refractory products containing nitride and oxynitride bonded silicon carbide, irrespective of the silicon carbide level. It includes details of sample preparation, general principles of chemical analysis and detailed methods for the determination of carbon, silicon carbide, free aluminium, free silicon, total nitrogen and oxygen.

Chemische Analyse von feuerfesten Erzeugnissen aus nitridgebundenem Siliciumcarbid - Teil 1: Chemische Verfahren

Analyse chimique des produits réfractaires contenant du carbure de silicium lié au nitrure - Partie 1 : Méthodes chimiques

La présente norme décrit les méthodes d’analyse applicables à tous les produits réfractaires contenant du carbure de silicium à liaison nitrure et à l’oxynitrure, quelle que soit la teneur en carbure de silicium. Elle contient les détails relatifs à la préparation des échantillons, les principes généraux de l’analyse chimique ainsi que les méthodes détaillées de détermination du carbone, du carbure de silicium, de l’aluminium libre, du silicium libre, de l’azote total et de l’oxygène.

Kemijska analiza nitrid silicijevega karbida - 1.del: Kemijske metode

General Information

• Status: Published
• Publication Date: 27-Mar-2007
• Withdrawal Date: 29-Sep-2007
• ICS: 71.040.40 - Chemical analysis
• Technical Committee: CEN/TC 187 - Refractory products and materials
• Drafting Committee: CEN/TC 187/WG 4 - Chemical analysis
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Completion Date: 06-Nov-2023
• Ref Project: SIST EN 12698-1:2007 - Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods

Relations

• Splited From: prEN 12698 - Chemical analysis of nitride bonded silicon carbide refractories
• Effective Date: 07-Mar-2023
• Parent: prEN 12698 - Chemical analysis of nitride bonded silicon carbide refractories
• Effective Date: 22-Dec-2008

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methodsKemijska analiza nitrid silicijevega karbida - 1.del: Kemijske metodeAnalyse chimique des produits réfractaires contenant du carbure de silicium a liaison nitrure - Partie 1: Méthodes chimiquesChemische Analyse von feuerfesten Erzeugnissen aus nitridgebundenem Siliciumcarbid - Teil 1: Chemische VerfahrenTa slovenski standard je istoveten z:EN 12698-1:2007SIST EN 12698-1:2007en;de71.040.40Kemijska analizaChemical analysisICS:SLOVENSKI
STANDARDSIST EN 12698-1:200701-julij-2007







EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12698-1March 2007ICS 71.040.40 English VersionChemical analysis of nitride bonded silicon carbide refractories -Part 1: Chemical methodsAnalyse chimique des produits réfractaires contenant ducarbure de silicium à liaison nitrure - Partie 1: MéthodeschimiquesChemische Analyse von feuerfesten Erzeugnissen ausnitridgebundenem Siliciumcarbid - Teil 1: ChemischeVerfahrenThis European Standard was approved by CEN on 15 February 2007.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2007 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12698-1:2007: E



EN 12698-1:2007 (E) 2 Contents
Page Foreword.3 1 Scope.4 2 Normative references.4 3 Terms and Definitions.4 4 Methods for determination.4 5 Sampling.5 6 Determination of free aluminium.5 6.1 Principle.5 6.2 Reagents.6 6.3 Apparatus.6 6.4 Sample preparation.6 6.5 Procedure.6 6.6 Calculation and expression of results.6 7 Determination of total nitrogen.7 7.1 General.7 7.2 Determination of total nitrogen by carrier gas fusion (CGF).7 7.3 Determination of total nitrogen content by fusion decomposition.
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