Skip to content
Please enter a keyword to search

  • EN ISO 21068-1:2008

    Current The latest, up-to-date edition.

    Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 1: General information and sample preparation (ISO 21068-1:2008)

    Available format(s): 

    Language(s): 

    Published date:  01-08-2008

    Publisher:  Comite Europeen de Normalisation

    Pure ENs are not available for sale, please purchase a suitable national adoption

    Sorry this product is not available in your region.

    Add To Cart

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Definitions
    4 Sampling and preparation of the test sample
      4.1 General
      4.2 Sample pretreatment
    5 Preliminary analyses
    6 Expression of results
    7 Test report
    Bibliography

    Abstract - (Show below) - (Hide below)

    ISO 21068-1:2008 gives definitions and specifies techniques for the preparation of samples for the chemical analysis of silicon-carbide-containing raw materials and refractory products.

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

    Committee CEN/TC 187
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Current

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

    DIN EN 15979:2011-04 Testing of ceramic raw and basic materials - Direct determination of mass fractions of impurities in powders and granules of silicon carbide by OES by DC arc excitation
    DIN EN 15991:2016-02 TESTING OF CERAMIC AND BASIC MATERIALS - DIRECT DETERMINATION OF MASS FRACTIONS OF IMPURITIES IN POWDERS AND GRANULES OF SILICON CARBIDE BY INDUCTIVELY COUPLED PLASMA OPTICAL EMISSION SPECTROMETRY (ICP OES) WITH ELECTROTHERMAL VAPORISATION (ETV)
    BS EN 15991:2015 Testing of ceramic and basic materials. Direct determination of mass fractions of impurities in powders and granules of silicon carbide by inductively coupled plasma optical emission spectrometry (ICP OES) with electrothermal vaporisation (ETV)
    BS EN 15979:2011 Testing of ceramic raw and basic materials. Direct determination of mass fractions of impurities in powders and granules of silicon carbide by OES by DC arc excitation
    UNI EN 15979 : 2011 TESTING OF CERAMIC RAW AND BASIC MATERIALS - DIRECT DETERMINATION OF MASS FRACTIONS OF IMPURITIES IN POWDERS AND GRANULES OF SILICON CARBIDE BY OES BY DC ARC EXCITATION
    14/30283939 DC : 0 BS EN 15991 - TESTING OF CERAMIC AND BASIC MATERIALS - DIRECT DETERMINATION OF MASS FRACTIONS OF IMPURITIES IN POWDERS AND GRANULES OF SILICON CARBIDE BY INDUCTIVELY COUPLED PLASMA OPTICAL EMISSION SPECTROMETRY (ICP OES) WITH ELECTROTHERMAL VAPORISATION (ETV)
    I.S. EN 15979:2011 TESTING OF CERAMIC RAW AND BASIC MATERIALS - DIRECT DETERMINATION OF MASS FRACTIONS OF IMPURITIES IN POWDERS AND GRANULES OF SILICON CARBIDE BY OES BY DC ARC EXCITATION
    PREN 15991 : DRAFT 2014 TESTING OF CERAMIC AND BASIC MATERIALS - DIRECT DETERMINATION OF MASS FRACTIONS OF IMPURITIES IN POWDERS AND GRANULES OF SILICON CARBIDE BY INDUCTIVELY COUPLED PLASMA OPTICAL EMISSION SPECTROMETRY (ICP OES) WITH ELECTROTHERMAL VAPORISATION (ETV)
    EN 15979:2011 Testing of ceramic raw and basic materials - Direct determination of mass fractions of impurities in powders and granules of silicon carbide by OES by DC arc excitation
    EN 15991:2015 Testing of ceramic and basic materials - Direct determination of mass fractions of impurities in powders and granules of silicon carbide by inductively coupled plasma optical emission spectrometry (ICP OES) with electrothermal vaporisation (ETV)
    I.S. EN 15991:2015 TESTING OF CERAMIC AND BASIC MATERIALS - DIRECT DETERMINATION OF MASS FRACTIONS OF IMPURITIES IN POWDERS AND GRANULES OF SILICON CARBIDE BY INDUCTIVELY COUPLED PLASMA OPTICAL EMISSION SPECTROMETRY (ICP OES) WITH ELECTROTHERMAL VAPORISATION (ETV)

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

    ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
    ISO 10081-1:2003 Classification of dense shaped refractory products Part 1: Alumina-silica
    ISO 21587-1:2007 Chemical analysis of aluminosilicate refractory products (alternative to the X-ray fluorescence method) Part 1: Apparatus, reagents, dissolution and gravimetric silica
    ISO 21079-3:2008 Chemical analysis of refractories containing alumina, zirconia, and silica — Refractories containing 5 percent to 45 percent of ZrO2 (alternative to the X-ray fluorescence method) — Part 3: Flame atomic absorption spectrophotometry (FAAS) and inductively coupled plasma emission spectrometry (ICP -AES)
    ISO 21587-3:2007 Chemical analysis of aluminosilicate refractory products (alternative to the X-ray fluorescence method) Part 3: Inductively coupled plasma and atomic absorption spectrometry methods
    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 9286:1997 Abrasive grains and crude Chemical analysis of silicon carbide
    ISO 21079-2:2008 Chemical analysis of refractories containing alumina, zirconia, and silica — Refractories containing 5 percent to 45 percent of ZrO2 (alternative to the X-ray fluorescence method) — Part 2: Wet chemical analysis
    ISO 11648-2:2001 Statistical aspects of sampling from bulk materials — Part 2: Sampling of particulate materials
    ISO 21587-2:2007 Chemical analysis of aluminosilicate refractory products (alternative to the X-ray fluorescence method) Part 2: Wet chemical analysis
    ISO 10081-4:2014 Classification of dense shaped refractory products Part 4: Special products
    ISO 31-0:1992 Quantities and units Part 0: General principles
    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 21068-2:2008 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
    EN 1094-4:1995 Insulating refractory products - Part 4: Determination of bulk density and true porosity
    EN 12698-2:2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 2: XRD methods
    ISO 10081-2:2003 Classification of dense shaped refractory products Part 2: Basic products containing less than 7 % residual carbon
    ISO 26845:2008 Chemical analysis of refractories General requirements for wet chemical analysis, atomic absorption spectrometry (AAS) and inductively coupled plasma atomic emission spectrometry (ICP-AES) methods
    ISO 8656-1:1988 Refractory products Sampling of raw materials and unshaped products Part 1: Sampling scheme
    ISO 21079-1:2008 Chemical analysis of refractories containing alumina, zirconia and silica — Refractories containing 5 percent to 45 percent of ZrO2 (alternative to the X-ray fluorescence method) — Part 1: Apparatus, reagents and dissolution
    View more information

    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective