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  • BS ISO 17947:2014

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    Fine ceramics (advanced ceramics, advanced technical ceramics). Methods for chemical analysis of fine silicon nitride powders

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  11-04-2023

    Language(s):  English

    Published date:  31-08-2014

    Publisher:  British Standards Institution

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Analytes and ranges
    4 Preparation of test sample
    5 Apparatus and reagents
    6 Blank test
    7 Determination of total silicon
    8 Determination of total nitrogen
    9 Determination of aluminium, iron, and calcium
    10 Determination of oxygen
    11 Determination of carbon
    12 Determination of fluorine and chlorine
    13 Reporting analytical values
    14 Test report
    Annex A (informative) - List of commercial certified
            reference materials
    Annex B (informative) - Analytical results obtained
            from a round robin test
    Annex C (informative) - Spectral lines for ICP-OES
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines the methods for the chemical analysis of fine silicon nitride powders used as the raw material for fine ceramics.

    Scope - (Show below) - (Hide below)

    This International Standard specifies the methods for the chemical analysis of fine silicon nitride powders used as the raw material for fine ceramics.

    This International Standard stipulates the determination methods of total silicon, total nitrogen, aluminium, iron, calcium, oxygen, carbon, fluorine, and chlorine in fine silicon nitride powders.

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

    Committee RPI/13
    Development Note Supersedes 13/30261099 DC. (09/2014)
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn
    Supersedes

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

    ISO 6353-1:1982 Reagents for chemical analysis — Part 1: General test methods
    EN 12698-1:2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods
    ISO 21438-2:2009 Workplace atmospheres — Determination of inorganic acids by ion chromatography — Part 2: Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)
    ISO 21438-3:2010 Workplace atmospheres — Determination of inorganic acids by ion chromatography — Part 3: Hydrofluoric acid and particulate fluorides
    ISO 2828:1973 Aluminium oxide primarily used for the production of aluminium — Determination of fluorine content — Alizarin complexone and lanthanum chloride spectrophotometric method
    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
    ISO 6353-3:1987 Reagents for chemical analysis — Part 3: Specifications — Second series
    ENV 14226:2002 Advanced technical ceramics - Test methods for ceramic powders - Determination of calcium, magnesium, iron and aluminium in silicon nitride by using flame atomic absorption spectroscopy (FAAS) or inductively coupled plasma atomic emission spectroscopy (ICP-AES)
    EN 12698-2:2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 2: XRD methods
    ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
    ISO 21068-3:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents
    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
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