16/30333274 DC : 0
NA
Status of Standard is Unknown
BS EN ISO 14851 - 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
English
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and 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) - Example of the determination of
the CO[2] absorbed in the absorbent
Bibliography
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