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    I.S. EN 12260:2003

    Current The latest, up-to-date edition.

    WATER QUALITY - DETERMINATION OF NITROGEN - DETERMINATION OF BOUND NITROGEN (TNB), FOLLOWING OXIDATION TO NITROGEN OXIDES

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2003

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Principle
    4 Interferences
    5 Reagents
    6 Apparatus
    7 Sampling and sample preparation
    8 Procedure
    9 Establishment of the calibration curve
    10 System check
    11 Calculation
    12 Expression of results
    13 Test report
    14 Precision data
    Annex A (informative) Determination of bound nitrogen
            using other techniques
    Annex B (informative) Recovery rates of single compounds
            using oxidation and chemiluminescence detection
    Annex C (informative) Precision data
    Bibliography

    Abstract - (Show below) - (Hide below)

    Provides a method for the determination of nitrogen in water in the form of free ammonia, ammonium, nitrite, nitrate and organic compounds capable of conversion to nitrogen oxides under the oxidative conditions described.

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

    Development Note Supersedes I.S. ENV 12260 (11/2003)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current
    Supersedes

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

    ISO 2854:1976 Statistical interpretation of data — Techniques of estimation and tests relating to means and variances
    EN 1484 : 1997 WATER ANALYSIS - GUIDELINES FOR THE DETERMINATION OF TOTAL ORGANIC CARBON (TOC) AND DISSOLVED ORGANIC CARBON (DOC)
    ISO 8466-2:2001 Water quality — Calibration and evaluation of analytical methods and estimation of performance characteristics — Part 2: Calibration strategy for non-linear second-order calibration functions
    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
    EN ISO 5667-3:2012 Water quality - Sampling - Part 3: Preservation and handling of water samples (ISO 5667-3:2012)
    ISO 8466-1:1990 Water quality Calibration and evaluation of analytical methods and estimation of performance characteristics Part 1: Statistical evaluation of the linear calibration function
    EN ISO 3696:1995 Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)
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