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UNI EN ISO 14851 : 2005

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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

Superseded date

09-01-2022

Published date

01-01-2005

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
Ente Nazionale Italiano di Unificazione (UNI)
Status
Superseded
SupersededBy

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