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  • UNI EN ISO 20565-1 : 2009

    Current The latest, up-to-date edition.
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    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

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    Published date:  02-04-2009

    Publisher:  Ente Nazionale Italiano di Unificazione (UNI)

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

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Apparatus
    5 Reagents
       5.1 Stock reagents
       5.2 Indicators
       5.3 Standard solutions
    6 Sample preparation
    7 Basic procedure
    8 Determination of loss on ignition (gravimetric)
    9 Decomposition of the sample and preparation of solutions
       used in the analysis
       9.1 General decomposition techniques
       9.2 Dissolution methods by fusion
       9.3 Dissolution methods by hydrofluoric acid attack
       9.4 Separation methods by ion-exchange
    10 Calculation and expression of test results
    11 Examination and adoption of test results
    12 Test report
    Annex A (informative) - References for stock solutions and
            blank solutions in ISO 20565-1:2008

    Abstract - (Show below) - (Hide below)

    Defines methods for the chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials, using traditional ("wet") methods, ICP-AES spectrometry and FAAS spectrometry. It also describes apparatus, reagents, dissolution and determination of gravimetric silica.

    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 6353-1:1982 Reagents for chemical analysis Part 1: General test methods
    ISO 6353-3:1987 Reagents for chemical analysis Part 3: Specifications Second series
    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
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