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BS 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Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Superseded date

04-17-2019

Language(s)

English

Published date

06-30-2008

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

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.

Committee
PRI/21
DevelopmentNote
Renumbers and supersedes BS ISO 14851. 2004 version incorporates amendment 15255 to BS ISO 14851. Supersedes 96/121956 DC (09/2004)
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

BS PAS 600(2013) : 2013 BIO-BASED PRODUCTS - GUIDE TO STANDARDS AND CLAIMS

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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