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  • ISO 4689-3:2017

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    Iron ores Determination of sulfur content Part 3: Combustion/infrared method

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English

    Published date:  02-03-2017

    Publisher:  International Organization for Standardization

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    Abstract - (Show below) - (Hide below)

    ISO 4689-3:2017 specifies a combustion/infrared method, using a high-frequency induction furnace, for the determination of the sulfur content of iron ores.

    This method is applicable to sulfur contents between 0,002 % (mass fraction) and 0,25 % (mass fraction) in natural iron ores, iron ore concentrates and agglomerates, including sinter products. The method is not applicable to iron ores containing more than 1,0 % (mass fraction) of combined water. The apparatus, of which the metal filter is equipped with a heating device, can be applied to iron ores containing less than 3,0 % (mass fraction) of combined water.

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

    Committee ISO/TC 102/SC 2
    Development Note Supersedes ISO 4690. (04/2004) Supersedes ISO/DIS 4689-3. (03/2017)
    Document Type Standard
    Publisher International Organization for Standardization
    Status Current
    Supersedes

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

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    EN IEC 62561-7 : 2018 LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) - PART 7: REQUIREMENTS FOR EARTHING ENHANCING COMPOUNDS (IEC 62561-7:2018)
    I.S. EN IEC 62561-7:2018 LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) - PART 7: REQUIREMENTS FOR EARTHING ENHANCING COMPOUNDS
    EN 62561-7 : 2012 LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) - PART 7: REQUIREMENTS FOR EARTHING ENHANCING COMPOUNDS (IEC 62561-7:2011, MODIFIED)
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    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 385:2005 Laboratory glassware Burettes
    ISO 3082:2017 Iron ores — Sampling and sample preparation procedures
    ISO 1042:1998 Laboratory glassware One-mark volumetric flasks
    ISO 648:2008 Laboratory glassware — Single-volume pipettes
    ISO 7764:2006 Iron ores Preparation of predried test samples for chemical analysis
    ISO Guide 35:2017 Reference materials Guidance for characterization and assessment of homogeneity and stability
    ISO 2596:2006 Iron ores Determination of hygroscopic moisture in analytical samples Gravimetric, Karl Fischer and mass-loss methods
    ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
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