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  • DIN EN ISO 21068-2:2008-12

    Current The latest, up-to-date edition.

    CHEMICAL ANALYSIS OF SILICON-CARBIDE-CONTAINING RAW MATERIALS AND REFRACTORY PRODUCTS - PART 2: DETERMINATION OF LOSS ON IGNITION, TOTAL CARBON, FREE CARBON AND SILICON CARBIDE, TOTAL AND FREE SILICA AND TOTAL AND FREE SILICON

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2008

    Publisher:  German Institute for Standardisation (Deutsches Institut für Normung)

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    Table of Contents - (Show below) - (Hide below)

    Vorwort
    Einleitung
    1 Anwendungsbereich
    2 Normative Verweisungen
    3 Begriffe
    4 Bestimmung der Massenänderung
       4.1 Allgemeines
       4.2 Bestimmung des Trocknungsverlustes bei
            250 grad C (LOD[250]), gravimetrisches Verfahren
       4.3 Bestimmung des Verlustes bei Kalzinierung
            in Argon (LOI[Ar])
       4.4 Bestimmung der Massenänderung durch
            Wärmevorbehandlung in Luft
       4.5 Bestimmung der Massenänderung bei
            750 grad C (LOI[750])
       4.6 Bestimmung des Glühverlustes bei
            850 grad C (LOI[850])
       4.7 Bestimmung des Glühverlustes bei
            1 050 grad C (LOI[1 050])
    5 Bestimmung des Gehaltes an Gesamtkohlenstoff
       5.1 Allgemeines
       5.2 Verbrennungsverfahren
       5.3 Messverfahren
       5.4 Messverfahren
    6 Bestimmung des freien Kohlenstoffs
       6.1 Allgemeines
       6.2 Probenaufschluss durch Verbrennung
       6.3 Nachweisverfahren
       6.4 Direkte Nachweisverfahren
       6.5 Indirekte Nachweisverfahren
       6.6 Direkte Bestimmung des freien Kohlenstoffs
            durch nasschemische Oxidation
    7 Bestimmung des Gehaltes an Siliciumcarbid, SiC
       7.1 Allgemeines
       7.2 Bestimmung des Siliciumcarbids, SiC, durch
            indirektes quantitatives Verfahren
       7.3 Bestimmung des Siliciumcarbids, SiC, durch
            direktes quantitatives Verfahren
       7.4 Bestimmung des Siliciumcarbids, SiC, durch
            Glühen bei 750 grad C
       7.5 Bestimmung des Siliciumcarbids, SiC, durch
            ein chemisches Verfahren
    8 Bestimmung des Gehaltes an Gesamtsilicium
       aus Silicium(IV)-oxid
       8.1 Kurzbeschreibung
       8.2 Reagenzien
       8.3 Geräte
       8.4 Durchführung
       8.5 Blindwertbestimmung
       8.6 Berechnung
    9 Bestimmung des freien Siliciumgehaltes
       9.1 Kurzbeschreibung
       9.2 Vorbehandlung mit Salzsäure
       9.3 Bestimmung des Siliciums durch
            Wasserstoffentwicklung
       9.4 Bestimmung des Siliciums durch
            Silberverdrängung
    10 Bestimmung des Gehaltes an Silicium(IV)-oxid, SiO[2]
       10.1 Allgemeines
       10.2 Bestimmung des Gehaltes an freiem und/oder
            kombiniertem Silicium(IV)-oxid, SiO[2]
       10.3 Bestimmung des Gehaltes an freiem
            Siliciumdioxid, SiO[2]
       10.4 Bestimmung des Gehaltes an anhaftendem
            Siliciumdioxid, SiO[2]surf
    11 Angabe der Ergebnisse
    12 Prüfbericht
    Anhang A (informativ) Beispiele von ZRMs zur
             Kalibrierung eines Kohlenstoff-Prüfgerätes
    Literaturhinweise

    Abstract - (Show below) - (Hide below)

    Describes analytical techniques for the determination of change in mass by thermal treatment at specified temperatures, and methods for the determination of the total carbon content, free carbon, silicon carbide, silicon, total silica and free silica content of silicon-carbide-containing raw materials and refractory products.

    General Product Information - (Show below) - (Hide below)

    Development Note Supersedes DIN 51075-1, DIN 51075-2, DIN 51075-3, DIN 51075-4, DIN 51075-5 & DIN 51076-1. (12/2008)
    Document Type Standard
    Publisher German Institute for Standardisation (Deutsches Institut für Normung)
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    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
    DIN EN ISO 21068-3:2008-12 CHEMICAL ANALYSIS OF SILICON-CARBIDE-CONTAINING RAW MATERIALS AND REFRACTORY PRODUCTS - PART 3: DETERMINATION OF NITROGEN, OXYGEN AND METALLIC AND OXIDIC CONSTITUENTS
    DIN EN ISO 1927-3:2013-03 MONOLITHIC (UNSHAPED) REFRACTORY MATERIALS - PART 3: CHARACTERIZATION AS RECEIVED (ISO 1927-3:2012)
    DIN EN ISO 12677:2013-02 Chemical analysis of refractory products by X-ray fluorescence (XRF) - Fused cast-bead method (ISO 12677:2011)

    Standards Referencing This Book - (Show below) - (Hide below)

    DIN ISO 5725-2:2002-12 Accuracy (trueness and precision) of measurement methods and results - Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method (ISO 5725-2:1994 including Technical Corrigendum 1:2002)
    ISO 10081-1:2003 Classification of dense shaped refractory products Part 1: Alumina-silica
    EN 12698-1:2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods
    ISO 9286:1997 Abrasive grains and crude Chemical analysis of silicon carbide
    ISO 10081-4:2014 Classification of dense shaped refractory products Part 4: Special products
    ISO 10081-3:2003 Classification of dense shaped refractory products Part 3: Basic products containing from 7 % to 50 % residual carbon
    ISO 1927:1984 Prepared unshaped refractory materials (dense and insulating) Classification
    ISO 10060:1993 Dense, shaped refractory products Test methods for products containing carbon
    ISO 21068-1:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products Part 1: General information and sample preparation
    ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
    ISO 10081-2:2003 Classification of dense shaped refractory products Part 2: Basic products containing less than 7 % residual carbon
    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
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