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  • EN ISO 14238:2013

    Current The latest, up-to-date edition.

    Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes (ISO 14238:2012)

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    Published date:  11-12-2013

    Publisher:  Comite Europeen de Normalisation

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Principle
    5 Materials
    6 Apparatus
    7 Procedures
    8 Expression of results
    9 Test report
    Annex A (informative) - Determination of
            water-holding capacity of soil
    Bibliography

    Abstract - (Show below) - (Hide below)

    This International Standard specifies laboratory procedures for measuring the mineralization and nitrification of nitrogen by the soil microbiota.For investigations on the evaluation of soil quality or on effects of contamination, a procedure is given to measure the rates and extent of N-mineralization in soil or soils of known or unknown quality.For investigation of the potential toxicity of chemicals to N-mineralization in soils, a simple procedure is given which allows the impact of single chemicals to be assessed and provides a basis for comparison of the toxicities of different chemicals.

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

    Committee CEN/TC 444
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Current

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

    ISO 10381-6:2009 Soil quality Sampling Part 6: Guidance on the collection, handling and storage of soil under aerobic conditions for the assessment of microbiological processes, biomass and diversity in the laboratory
    ISO 11277:2009 Soil quality Determination of particle size distribution in mineral soil material Method by sieving and sedimentation
    ISO 11261:1995 Soil quality — Determination of total nitrogen — Modified Kjeldahl method
    ISO 11274:1998 Soil quality Determination of the water-retention characteristic Laboratory methods
    ISO 10390:2005 Soil quality Determination of pH
    ISO 10694:1995 Soil quality Determination of organic and total carbon after dry combustion (elementary analysis)
    ISO 11266:1994 Soil quality — Guidance on laboratory testing for biodegradation of organic chemicals in soil under aerobic conditions
    ISO 11260:1994 Soil quality Determination of effective cation exchange capacity and base saturation level using barium chloride solution
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