BS ISO 14851:1999废止
Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium. Method by measuring the oxygen demand in a closed respirometer
出版：British Standards Institution
专家解读视频
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.
© British Standards Institution 2013
Renumbered and superseded by BS EN ISO 14851.
Supersedes 96/121956 DC.
(09/2004)
ISO 14851:1999 - Identical
