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  • UNI EN ISO 17556 : 2012

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    PLASTICS - DETERMINATION OF THE ULTIMATE AEROBIC BIODEGRADABILITY OF PLASTIC MATERIALS IN SOIL BY MEASURING THE OXYGEN DEMAND IN A RESPIROMETER OR THE AMOUNT OF CARBON DIOXIDE EVOLVED

    Available format(s): 

    Superseded date:  02-09-2022

    Language(s): 

    Published date:  31-12-2011

    Publisher:  Ente Nazionale Italiano di Unificazione (UNI)

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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 Test environment
    6 Materials
    7 Apparatus
    8 Procedure
    9 Calculation and expression of results
    10 Validity of results
    11 Test report
    Annex A (informative) - Principle of a manometric
            respirometer (example)
    Annex B (informative) - Example of a system for measuring
            the amount of carbon dioxide evolved
    Annex C (informative) - Examples of methods for the
            determination of evolved carbon dioxide
    Annex D (informative) - Theoretical oxygen demand (ThOD)
    Annex E (informative) - Example of a determination of
            the amount and the molecular mass of water-insoluble
            polymer remaining at the end of a biodegradation test
    Annex F (informative) - Examples of long-term tests
    Annex G (informative) - Round-robin testing
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes a method for determining the ultimate aerobic biodegradability of plastic materials in soil by measuring the oxygen demang in a closed respirometer or the amount of carbon dioxide evolved.

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

    Document Type Standard
    Publisher Ente Nazionale Italiano di Unificazione (UNI)
    Status Superseded
    Superseded By
    Supersedes

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

    UNI 11462 : 2012 PLASTIC MATERIALS BIODEGRADABLE IN SOIL - TYPES, REQUIREMENTS AND TEST METHODS
    UNI 11495 : 2013 BIODEGRADABLE THERMOPLASTIC MATERIALS FOR USE IN AGRICULTURE AND HORTICULTURE - MULCHING FILMS - REQUIREMENTS AND TEST METHODS

    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 8245:1999 Water quality Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)
    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 8192:2007 Water quality Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation
    ISO 10634:1995 Water quality Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium
    ISO 14855-2:2007 Determination of the ultimate aerobic biodegradability of plastic materials under controlled composting conditions Method by analysis of evolved carbon dioxide Part 2: Gravimetric measurement of carbon dioxide evolved in a laboratory-scale test
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