BS ISO 14851 : 1999 AMD 15255
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
DETERMINATION OF THE ULTIMATE AEROBIC BIODEGRADABILITY OF PLASTIC MATERIALS IN AN AQUEOUS MEDIUM - METHOD BY MEASURING THE OXYGEN DEMAND IN A CLOSED RESPIROMETER
03-09-2004
23-11-2012
A laboratory method is specified for determining the aerobic biodegradability of plastic materials. In aqueous medium within a closed respirometer, the material under test is exposed to an inoculum derived from activated sludge, compost or soil, and the oxygen demand is measured. If unadapted activated sludge is used, the test simulates the natural biodegradation process; use of adapted or mixed inoculum permits the potential extent of biodegradation to be estimated. The test is applicable to: natural and/or synthetic polymers, copolymers or their mixtures; plastics containing plasticizers, colorants or other compounds; water-soluble polymers; materials which do not inhibit the microorganisms present in the inoculum.
| Committee |
PRI/21
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| DevelopmentNote |
Renumbered and superseded by BS EN ISO 14851. Supersedes 96/121956 DC. (09/2004)
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| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 14851:1999 | Identical |
| 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 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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