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  • EN ISO 7027-1:2016

    Current The latest, up-to-date edition.

    Water quality - Determination of turbidity - Part 1: Quantitative methods (ISO 7027-1:2016)

    Available format(s): 

    Language(s): 

    Published date:  29-06-2016

    Publisher:  Comite Europeen de Normalisation

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

    European foreword
    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Sampling and samples
    5 Quantitative methods of turbidity measurement using optical
      nephelometers
    Annex A (informative) - Results of an interlaboratory
            collaborative trial to evaluate the suitability of a
            synthetic polymer for use as a secondary standard
            to formazin in turbidity measurements
    Bibliography

    Abstract - (Show below) - (Hide below)

    ISO 7027-1:2016 specifies two quantitative methods using optical turbidimeters or nephelometers for the determination of turbidity of water:
    a) nephelometry, procedure for measurement of diffuse radiation, applicable to water of low turbidity (for example drinking water);
    b) turbidimetry, procedure for measurement of the attenuation of a radiant flux, more applicable to highly turbid waters (for example waste waters or other cloudy waters).
    Turbidities measured according to the first method are presented as nephelometric turbidity units (NTU). The results typically range between

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

    Committee CEN/TC 230
    Development Note Supersedes EN ISO 7027. (07/2016)
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Current
    Supersedes

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

    PD CEN/TR 16950:2016 Ductile iron pipes, fittings and accessories. Sanitary characteristics and test methods
    S.R. CEN/TR 16950:2016 DUCTILE IRON PIPES, FITTINGS AND ACCESSORIES - SANITARY CHARACTERISTICS AND TEST METHODS
    CEN/TR 16950:2016 Ductile iron pipes, fittings and accessories - Sanitary characteristics and test methods

    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 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
    ISO 3864-1:2011 Graphical symbols Safety colours and safety signs Part 1: Design principles for safety signs and safety markings
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