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
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for Determining the Aerobic Biodegradation of Plastic Materials in an Activated-Sludge-Wastewater-Treatment System (Withdrawn 2011) |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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