BS EN ISO 14852:2018 – TC:2020 Edition
$186.33
Tracked Changes. Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium. Method by analysis of evolved carbon dioxide
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 62 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 36 | National foreword |
| 38 | European foreword |
| 40 | Foreword |
| 41 | Introduction |
| 43 | 1 Scope 2 Normative references 3 Terms and definitions |
| 45 | 4 Principle |
| 46 | 5 Test environment 6 Reagents |
| 48 | 7 Apparatus |
| 49 | 8 Procedure 8.1 Test material 8.2 Reference material 8.3 Preparation of the inoculum 8.3.1 General |
| 50 | 8.3.2 Inoculum from wastewater-treatment plants 8.3.3 Inoculum from soil and/or compost 8.4 Test |
| 52 | 9 Calculation and expression of results 9.1 Calculation 9.1.1 Theoretical amount of carbon dioxide evolved by the test material 9.1.2 Percentage biodegradation from CO2 evolution 9.2 Expression and interpretation of results |
| 53 | 10 Validity of results 11 Test report |
| 55 | Annex A (informative) Principle of a system for measuring evolved carbon dioxide (example) |
| 56 | Annex B (informative) Examples of methods for the determination of evolved carbon dioxide |
| 58 | Annex C (informative) Example of the determination of a carbon balance |
| 60 | Annex D (informative) Example of a determination of the amount of water insoluble polymer remaining at the end of a biodegradation test and the molecular mass of the polymer |
| 61 | Bibliography |
