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DIN EN ISO 14851:2016-07 (Draft)

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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Superseded date

03-07-2021

Language(s)

German

Published date

01-01-2016

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

This standard is included in DIN Handbook 489 and DIN Handbook KUNSTSTOFFE BAND 2. Specifies 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.

DevelopmentNote
DRAFT 2016 issued in July 2016. (07/2016)
DocumentType
Draft
Pages
67
PublisherName
German Institute for Standardisation (Deutsches Institut für Normung)
Status
Superseded

DIN HDBK KUNSTSTOFFE BAND 2 : 2017 HANDBUCH KUNSTSTOFFE - BAND 2 - CHEMISCHE UND OPTISCHE GEBRAUCHSEIGENSCHAFTEN, VERARBEITUNGSEIGENSCHAFTEN - PRUEFNORMEN
DIN HDBK 489 : 1ED 2013

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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