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  • EN ISO 11905-1 : 1998

    Current The latest, up-to-date edition.

    WATER QUALITY - DETERMINATION OF NITROGEN - METHOD USING OXIDATIVE DIGESTION WITH PEROXODISULFATE

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    Language(s): 

    Published date:  20-05-1998

    Publisher:  Comite Europeen de Normalisation

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

    1 Scope
    2 Normative references
    3 Range of detection
    4 Sensitivity
    5 Principle
    6 Reagents
    7 Apparatus
    8 Sampling and samples
    9 Procedure
        9.1 Test portion
        9.2 Blank test
        9.3 Cleaning digestion vessels
        9.4 Digestion
        9.5 Verification of recovery of organic nitrogen
        9.6 Starting operation
        9.7 Initial sensitivity setting
        9.8 Calibration
        9.9 Determination
    10 Expression of results
        10.1 Method of calculation
        10.2 Precision data
    11 Test report

    Abstract - (Show below) - (Hide below)

    Defines a procedure for determining the nitrogen content in water, in the form of free ammonia, nitrite, nitrate and organic nitrogen compounds capable of converting to nitrate under the oxidative conditions described.

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

    Committee CEN/TC 230
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Current

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

    16/30329428 DC : 0 BS EN 12566-6 - SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 6: PREFABRICATED TREATMENT UNITS FOR SEPTIC TANK EFFLUENT
    I.S. EN 12566-7:2016 SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 7: PREFABRICATED TERTIARY TREATMENT UNITS
    BS EN 12566-6:2013 Small wastewater treatment systems for up to 50 PT Prefabricated treatment units for septic tank effluent
    I.S. EN 12566-3:2016 SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 3: PACKAGED AND/OR SITE ASSEMBLED DOMESTIC WASTEWATER TREATMENT PLANTS
    EN 12566-6:2016 Small wastewater treatment systems for up to 50 PT - Part 6: Prefabricated treatment units for septic tank effluent
    EN 12566-3:2016 Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plants
    EN 12566-7:2016 Small wastewater treatment systems for up to 50 PT - Part 7: Prefabricated tertiary treatment units
    PREN 12566-6 : DRAFT 2015 SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 6: PREFABRICATED TREATMENT UNITS FOR SEPTIC TANK EFFLUENT
    01/107111 DC : DRAFT SEP 2001 BS EN 12566-3 - SMALL WASTEWATER TREATMENT SYSTEMS UP TO 50 PT - PACKAGED AND/OR SITE ASSEMBLED DOMESTIC WASTEWATER TREATMENT PLANTS
    16/30329422 DC : 0 BS EN 12566-7 - SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 7: PREFABRICATED TERTIARY TREATMENT UNITS
    UNE-EN 12566-6:2017 Small wastewater treatment systems for up to 50 PT - Part 6: Prefabricated treatment units for septic tank effluent
    BS EN 12566-7:2013 Small wastewater treatment systems for up to 50 PT Prefabricated tertiary treatment units
    PREN 12566-7 : DRAFT 2015 SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 7: PREFABRICATED TERTIARY TREATMENT UNITS
    UNE-EN 12566-7:2017 Small wastewater treatment systems for up to 50 PT - Part 7: Prefabricated tertiary treatment units
    UNE-EN 12566-3:2017 Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plants
    BS EN 12566-3 : 2005 SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 3: PACKAGED AND/OR SITE ASSEMBLED DOMESTIC WASTEWATER TREATMENT PLANTS
    16/30329416 DC : 0 BS EN 12566-3 - SMALL WASTEWATER TREATMENT SYSTEMS UP TO 50 PT - PART 3: PACKAGED AND/OR SITE ASSEMBLED DOMESTIC WASTEWATER TREATMENT PLANTS
    08/30187745 DC : 0 BS EN 12566-6 - SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 6: PREFABRICATED TREATMENT UNITS FOR SEPTIC TANK EFFLUENT
    I.S. EN 12566-6:2016 SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 6: PREFABRICATED TREATMENT UNITS FOR SEPTIC TANK EFFLUENT

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

    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 3696:1987 Water for analytical laboratory use — Specification and test methods
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