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16/30333274 DC : 0

NA
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
Available format(s)

Hardcopy , PDF

Language(s)

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

BS EN ISO 14851.

Committee
PRI/21
DocumentType
Draft
Pages
34
PublisherName
British Standards Institution
Status
NA

ISO 11923:1997 Water quality — Determination of suspended solids by filtration through glass-fibre filters
ISO 10708:1997 Water quality — Evaluation in an aqueous medium of the ultimate aerobic biodegradability of organic compounds — Determination of biochemical oxygen demand in a two-phase closed bottle test
ASTM D 5271 : 2002 Standard Test Method for Determining the Aerobic Biodegradation of Plastic Materials in an Activated-Sludge-Wastewater-Treatment System (Withdrawn 2011)
ISO 9408:1999 Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer
ISO 8245:1999 Water quality Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)
ISO/TR 15462:2006 Water quality Selection of tests for biodegradability
ISO 8192:2007 Water quality Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation
ISO 10634:1995 Water quality Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium

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