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Homepage>CSN Standards>64 PLASTICS>6405 Testing of plastics and plastic products>CSN EN ISO 17556 - Plastics - Determination of the ultimate aerobic biodegradability of plastic materials in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved
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FREE SHIPPINGReleased: 2012
CSN EN ISO 17556 - Plastics - Determination of the ultimate aerobic biodegradability of plastic materials in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved

CSN EN ISO 17556

Plastics - Determination of the ultimate aerobic biodegradability of plastic materials in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved

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LANGUAGE
English
Category:640513
Released:2012
Number of Standard:CSN EN ISO 17556
DESCRIPTION

EN ISO 17556


EN ISO 17556 Plastics - Determination of the ultimate aerobic biodegradability of plastic materials in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved - ISO 17556:2012 specifies a method for determining the ultimate aerobic biodegradability of plastic materials in soil by measuring the oxygen demand in a closed respirometer or the amount of carbon dioxide evolved. The method is designed to yield an optimum degree of biodegradation by adjusting the humidity of the test soil. If a non-adapted soil is used as an inoculum, the test simulates the biodegradation processes which take place in a natural environment; if a pre-exposed soil is used, the method can be used to investigate the potential biodegradability of a test material. This method applies to the following materials: natural and/or synthetic polymers, copolymers or mixtures of these; plastic materials which contain additives such as plasticizers or colorants; water-soluble polymers. It does not necessarily apply to materials which, under the test conditions, inhibit the activity of the microorganisms present in the soil. Inhibitory effects can be measured using an inhibition control or by another suitable method. If the test material inhibits the microorganisms in the soil, a lower test material concentration, another type of soil or a pre-exposed soil can be used.

Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.
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