BS EN ISO 14855-2:2018
$142.49
Determination of the ultimate aerobic biodegradability of plastic materials under controlled composting conditions. Method by analysis of evolved carbon dioxide – Gravimetric measurement of carbon dioxide evolved in a laboratory-scale test
| Published By | Publication Date | Number of Pages |
| BSI | 2018 | 26 |
This document specifies a method for determining the ultimate aerobic biodegradability of plastic materials under controlled composting conditions by gravimetric measurement of the amount of carbon dioxide evolved. The method is designed to yield an optimum rate of biodegradation by adjusting the humidity, aeration and temperature of the composting vessel.
The method applies to the following materials:
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natural and/or synthetic polymers and copolymers, and mixtures of these;
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plastic materials that contain additives such as plasticizers or colorants;
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water-soluble polymers;
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materials that, under the test conditions, do not inhibit the activity of microorganisms present in the inoculum.
If the test material inhibits microorganisms in the inoculum, another type of mature compost or pre-exposure compost can be used.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 4 | European foreword |
| 6 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions |
| 11 | 4 Principle 5 Reagents |
| 12 | 6 Apparatus 6.2 Composting vessels |
| 13 | 7 Procedure 7.1 Preparation of the inoculum 7.2 Preparation of the sea sand 7.3 Preparation of test material and reference material |
| 14 | 7.4 Starting up the test |
| 15 | 7.5 Measurement of the evolved carbon dioxide 7.6 Incubation period |
| 16 | 7.7 Termination of the test 8 Calculation 8.1 Theoretical amount of carbon dioxide evolved by test material 8.2 Percentage biodegradation |
| 17 | 9 Expression and interpretation of results 10 Validity of results 11 Test report |
| 19 | Annex A (informative) Basic principle of the test |
| 21 | Annex B (informative) Example of an apparatus using an electrically heated composting vessel |
| 23 | Annex C (informative) Derivation of the formula used to calculate the degree of biodegradation from the amount of carbon dioxide evolved |
| 24 | Bibliography |
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BS EN ISO 14855-2:2018 – TC:2020 Edition
Tracked Changes. Determination of the ultimate aerobic biodegradability of plastic materials under controlled composting conditions.…
