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NS EN ISO 14851 : 1ED 2004

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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Withdrawn date

07-01-2019

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
Norwegian Standards (Norges Standardiseringsforbund)
Status
Withdrawn
SupersededBy

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