BS EN ISO 14852:2004
$142.49
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 | 2004 | 26 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | National foreword |
| 4 | Foreword Endorsement notice |
| 9 | Introduction 1 Scope 2 Normative references |
| 10 | 3 Definitions ultimate aerobic biodegradation activated sludge concentration of suspended solids in an activated sludge dissolved inorganic carbon theoretical amount of evolved carbon dioxide ThCO total organic carbon dissolved organic carbon lag phase maximum level of biodegradation biodegradation phase |
| 11 | plateau phase pre-exposure pre-conditioning 4 Principle 5 Test environment 6 Reagents 6.1 Distilled or deionized water, 6.2 Test medium |
| 13 | 6.3 Pyrophosphate solution 7 Apparatus 7.1 Test flasks: 7.2 CO 7.3 Analytical instrument for determining carbon dioxide, 7.4 Analytical equipment for measuring total organic carbon (TOC) and dissolved organic carbon (DOC) 7.5 Analytical balance 7.6 Centrifuge, 7.7 pH meter 7.8 Magnetic stirrer or shaking device 8 Procedure 8.1 Test material |
| 14 | 8.2 Reference material 8.3 Preparation of the inoculum |
| 15 | 8.4 Test Final distribution of test and reference materials |
| 16 | 9 Calculation and expression of results 9.1 Calculation |
| 17 | 9.2 Expression and interpretation of results 10 Validity of results 11 Test report |
| 19 | (informative) Principle of a system for measuring evolved carbon dioxide (example) (informative) Principle of a system for measuring evolved carbon dioxide (example) |
| 20 | (informative) Examples of methods for the determination of evolved carbon dioxide (informative) Examples of methods for the determination of evolved carbon dioxide CO Titrimetric method using a barium hydroxide solution |
| 21 | (informative) Example of the determination of a carbon balance (informative) Example of the determination of a carbon balance Principle Test procedure |
| 22 | Calculation of the carbon balance Example: Carbon balance of poly(ß-hydroxybutyrate) |
| 23 | (informative) Example of a determination of the amount of water-insoluble polymer remaining at th… (informative) Example of a determination of the amount of water-insoluble polymer remaining at th… (informative) Bibliography (informative) Bibliography |
| 24 | (normative) Normative references to international publications with their relevant European publi… (normative) Normative references to international publications with their relevant European publi… |
