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I.S. EN ISO 14851:2004

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

DETERMINATION OF THE ULTIMATE AEROBIC BIODEGRADABILITY OF PLASTIC MATERIALS IN AN AQUEOUS MEDIUM - METHOD BY MEASURING THE OXYGEN DEMAND IN A CLOSED RESPIROMETER
Available format(s)

Hardcopy , PDF

Superseded date

01-05-2019

Language(s)

English

Published date

01-01-2004

Preview

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.

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Principle
5 Test environment
6 Reagents
7 Apparatus
8 Procedure
9 Calculation and expression of results
10 Validity of results
11 Test report
Annex A (informative) Theoretical oxygen demand (ThOD)
Annex B (informative) Correction of BOD values for
         interference by nitrification
Annex C (informative) Principle of a closed manometric
         respirometer
Annex D (informative) Two-phase closed-bottle version
         of the respirometric test
Annex E (informative) Example of the determination of
         a carbon balance
Annex F (informative) Example of a determination of
         the amount of water-insoluble polymer remaining
         at the end of a biodegradation test and the
         molecular mass of the polymer
Annex G (informative) Bibliography
Annex ZA (normative) Normative references to international
         publications with their relevant European
         publications

Provides a method, by measuring the oxygen demand in a closed respirometer, for the determination of the degree of aerobic biodegradability of plastic materials, including those containing formulation additives.

DocumentType
Standard
Pages
34
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

ISO 11923:1997 Water quality — Determination of suspended solids by filtration through glass-fibre filters
ISO 10708:1997 Water quality — Evaluation in an aqueous medium of the ultimate aerobic biodegradability of organic compounds — Determination of biochemical oxygen demand in a two-phase closed bottle test
ASTM D 5271 : 2002 Standard Test Method for Determining the Aerobic Biodegradation of Plastic Materials in an Activated-Sludge-Wastewater-Treatment System (Withdrawn 2011)
ASTM D 3536 : 1991 Test Method for Molecular Weight Averages and Molecular Weight Distribution of Polystyrene by Liquir Exclusion Chromatography (Gel Permeation Chromatography - GPC) (Withdrawn 1996)
ISO 9408:1999 Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer
ISO 8245:1999 Water quality Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)
ISO/TR 15462:2006 Water quality Selection of tests for biodegradability
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

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