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About This Item
Full Description
If an unadapted activated sludge is used as the inoculum, the test result can be used to assess the aerobic biodegradation processes which occur in a waste water treatment plant environment. If a mixed or pre-exposed inoculum is used, the method can be used to investigate the potential biodegradability of a test material.
The conditions used in this document do not necessarily correspond to the optimum conditions allowing maximum biodegradation to occur, but this test method is designed to measure the biodegradation of plastic materials and give an indication of their potential biodegradability.
The method enables the assessment of the biodegradation to be improved by calculating a carbon balance (optional, see Annex C).
The method applies to the following materials:
- natural and/or synthetic polymers, copolymers or mixtures thereof;
- plastic materials which contain additives such as plasticizers, colorants or other compounds;
- water-soluble polymers;
- materials which, under the test conditions, do not inhibit the microorganisms present in the inoculum.
Cross References:
ISO 8245
ISO 17556:2012
ISO 9439
ISO/TR 15462
ASTM D 3536-91
ISO 10634
ISO 11923
ISO 8192
All current amendments available at time of purchase are included with the purchase of this document.
Document History
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BS EN ISO 14852:2021
Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium. Method by analysis of evolved carbon dioxide- Most Recent
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BS EN ISO 14852:2018
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Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium. Method by analysis of evolved carbon dioxide- Historical Version
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BS EN ISO 14852:2004
Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium. Method by analysis of evolved carbon dioxide- Historical Version