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  • BS EN ISO 18125:2017

    Current The latest, up-to-date edition.

    Solid biofuels. Determination of calorific value

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  09-08-2017

    Publisher:  British Standards Institution

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

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Principle
    5 Reagents
    6 Apparatus
    7 Preparation of test sample
    8 Calorimetric procedure
    9 Calibration
    10 Gross calorific value
    11 Performance characteristics
    12 Calculation of net calorific value at constant pressure
    13 Test report
    Annex A (normative) - Adiabatic bomb calorimeters
    Annex B (normative) - Isoperibol and static-jacket
            bomb calorimeters
    Annex C (normative) - Automated bomb calorimeters
    Annex D (informative) - Checklists for the design and
            procedures of combustion experiments
    Annex E (informative) - Examples to illustrate the main
            calculations used in this document when an automated
            bomb calorimeter is used for determinations
    Annex F (informative) - List of symbols used in this
            document
    Annex G (informative) - Default values of most used solid
            biofuels for the calculations of calorific values
    Annex H (informative) - Flow chart for a routine calorific
            value determination
    Bibliography
    Index

    Abstract - (Show below) - (Hide below)

    Describes a method for the determination of the gross calorific value of a solid biofuel at constant volume and at the reference temperature 25 degrees C in a bomb calorimeter calibrated by combustion of certified benzoic acid.

    Scope - (Show below) - (Hide below)

    This International Standard specifies a method for the determination of the absorbance at ultraviolet wavelengths of animal and vegetable fats and oils.

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

    Committee PTI/17
    Development Note Supersedes 15/30319064 DC & BS EN 14918. (08/2017)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    ISO 14780:2017 Solid biofuels — Sample preparation
    ISO 1928:2009 Solid mineral fuels Determination of gross calorific value by the bomb calorimetric method and calculation of net calorific value
    ISO 16559:2014 Solid biofuels Terminology, definitions and descriptions
    ISO 16948:2015 Solid biofuels Determination of total content of carbon, hydrogen and nitrogen
    ISO 18134-3:2015 Solid biofuels — Determination of moisture content — Oven dry method — Part 3: Moisture in general analysis sample
    ISO 10304-1:2007 Water quality Determination of dissolved anions by liquid chromatography of ions Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
    ISO 18122:2015 Solid biofuels — Determination of ash content
    ISO 18135:2017 Solid Biofuels — Sampling
    ISO 18134-2:2017 Solid biofuels — Determination of moisture content — Oven dry method — Part 2: Total moisture — Simplified method
    ISO 651:1975 Solid-stem calorimeter thermometers
    ISO 16994:2016 Solid biofuels — Determination of total content of sulfur and chlorine
    ISO 652:1975 Enclosed-scale calorimeter thermometers
    ISO 17225-1:2014 Solid biofuels Fuel specifications and classes Part 1: General requirements
    ISO 18134-1:2015 Solid biofuels — Determination of moisture content — Oven dry method — Part 1: Total moisture — Reference method
    ISO 16993:2016 Solid biofuels — Conversion of analytical results from one basis to another
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