• I.S. EN ISO 21078-1:2008

    Current The latest, up-to-date edition.

    DETERMINATION OF BORON(3) OXIDE IN REFRACTORY PRODUCTS - PART 1: DETERMINATION OF TOTAL BORON(3) OXIDE IN OXIDIC MATERIALS FOR CERAMICS, GLASS AND GLAZES

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2008

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Preparation of the test sample
    5 Number of determinations
    6 Determination of boron(III) oxide by alkaline titrimetry
    7 Determination of boron(III) oxide by azomethine H absorption
       spectrophotometry
    8 Determination of boron(III) oxide by curcumin absorption
       spectrophotometry
    9 Determination of boron(III) oxide by inductively coupled
       plasma atomic emission spectrometry (ICP-AES)
    10 Expression of test results
    11 Test report
    Annex A (informative) Interlaboratory test results

    Abstract - (Show below) - (Hide below)

    Describes methods of determining boron(III) oxide in refractory products and raw materials, in mass fractions of 0,01 % or greater. It is applicable to the determination of total boron(III) oxide in oxidic materials for ceramics, glass and glazes.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current

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

    ISO 3310-1:2016 Test sieves Technical requirements and testing Part 1: Test sieves of metal wire cloth
    ISO 836:2001 Terminology for refractories
    ISO 31-0:1992 Quantities and units Part 0: General principles
    ISO 6353-3:1987 Reagents for chemical analysis — Part 3: Specifications — Second series
    ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
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