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  • BS ISO 20938:2008

    Current The latest, up-to-date edition.

    Instant coffee. Determination of moisture content. Karl Fischer method (Reference method)

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  31-07-2009

    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 and materials
    6 Apparatus
    7 Sampling
    8 Preparative steps
    9 Procedure with instant coffee
    10 Expression of results
    11 Precision
    12 Test report
    Annex A (informative) - Results of interlaboratory test
    Annex B (informative) - Titration curve diagram
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes a method for the determination of moisture content in instant coffee by the Karl Fischer titration method, suitable for use as a reference method.

    Scope - (Show below) - (Hide below)

    This International Standard specifies a method for the determination of moisture content in instant coffee by the Karl Fischer titration method, suitable for use as a reference method.

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

    Committee W/-
    Development Note Supersedes 07/30164446 DC. (07/2009)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
    ISO 4788:2005 Laboratory glassware Graduated measuring cylinders
    ISO 5725-6:1994 Accuracy (trueness and precision) of measurement methods and results — Part 6: Use in practice of accuracy values
    ISO Guide 30:2015 Reference materials Selected terms and definitions
    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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