BS EN ISO 14851:2004
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium. Method by measuring the oxygen demand in a closed respirometer
Hardcopy , PDF
17-04-2019
English
30-06-2008
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
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