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  • UNI 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

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    Published date:  03-12-2008

    Publisher:  Ente Nazionale Italiano di Unificazione (UNI)

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    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)

    Provides 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 CT 700
    Document Type Standard
    Publisher Ente Nazionale Italiano di Unificazione (UNI)
    Status Current

    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 10058-3:2008 Chemical analysis of magnesite and dolomite refractory products (alternative to the X-ray fluorescence method) — Part 3: Flame atomic absorption spectrophotometry (FAAS) and inductively coupled plasma atomic emission spectrometry (ICP-AES)
    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 20565-2:2008 Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) — Part 2: Wet chemical analysis
    ISO 10058-2:2008 Chemical analysis of magnesite and dolomite refractory products (alternative to the X-ray fluorescence method) — Part 2: Wet chemical analysis
    ISO 20565-1:2008 Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) — Part 1: Apparatus, reagents, dissolution and determination of gravimetric silica
    ISO 20565-3:2008 Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) — Part 3: Flame atomic absorption spectrometry (FAAS) and inductively coupled plasma atomic emission spectrometry (ICP-AES)
    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
    ISO 10058-1:2008 Chemical analysis of magnesite and dolomite refractory products (alternative to the X-ray fluorescence method) — Part 1: Apparatus, reagents, dissolution and determination of gravimetric silica
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