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UNI EN ISO 17556 : 2012

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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
Superseded date

03-09-2022

Published date

01-01-2012

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

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

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.

DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Superseded
SupersededBy
Supersedes

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

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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