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NBN EN ISO 14851 : 2004

Current
Current

The latest, up-to-date edition.

DETERMINATION OF THE ULTIMATE AEROBIC BIODEGRADABILITY OF PLASTIC MATERIALS IN AN AQUEOUS MEDIUM - METHOD BY MEASURING THE OXYGEN DEMAND IN A CLOSED RESPIROMETER
Published date

01-12-2013

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.

DocumentType
Standard
PublisherName
Belgian Standards
Status
Current

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