NS EN ISO 14851 : 1ED 2004
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
01-07-2019
12-01-2013
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
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